Truss, floor slab and building component

Abstract

The utility model provides a truss, a floor slab and a building component. The truss comprises an upper chord structure extending in a first direction; the web is in a wave shape, the overall length of the web extends in the first direction, the web is provided with a plurality of top inflection lines which are sequentially distributed in the first direction, and the top inflection lines are wrapped in the upper chord structure; the top inflection line extends in the second direction perpendicular to the first direction and is perpendicular to the edge lines of the two side wall faces of the web in the second direction. The machining difficulty of the upper chord structure and the web is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building, in particular, the present application relates to a truss, floor and building component. BACKGROUND

[0002] The truss laminated slab belongs to a large number of components in the prefabricated building. The upper chord and web of the truss of the truss laminated slab are welded or riveted, which has the problems of difficulty in welding or riveting the upper chord and web, high energy consumption, smoke pollution, high energy saving and environmental protection supporting investment. CONTENT OF THE UTILITY MODEL

[0003] The present application aims at the shortcomings of the prior art, and provides a truss, floor and building component to solve the technical problems of difficulty in welding or riveting the upper chord and web of the truss, high energy consumption, smoke pollution, and the economic problems of high energy saving and environmental protection supporting investment.

[0004] In a first aspect, the embodiments of the present application provide a truss, comprising:

[0005] The upper chord structure extends along a first direction;

[0006] The web is in a wave shape and extends along the first direction as a whole, and has a plurality of top reverse bending lines distributed along the first direction in sequence, which are wrapped in the upper chord structure;

[0007] The top reverse bending line extends along a second direction perpendicular to the first direction, and is perpendicular to the edge line of the two side walls of the web along the second direction.

[0008] Optionally, at least one of the following is included:

[0009] The upper chord structure includes a strip-shaped concrete, and the plurality of top reverse bending lines are anchored in the strip-shaped concrete;

[0010] In the second direction, the top reverse bending line is arranged centrally relative to the upper chord structure;

[0011] The web includes a wave-shaped steel strip.

[0012] Optionally, a protrusion is arranged on the web;

[0013] At least one of the following is included:

[0014] A protrusion is arranged between any adjacent top reverse bending line and bottom reverse bending line of the web;

[0015] The protrusion extends in the direction of the bottom reverse bending line of the web pointing to the top reverse bending line;

[0016] The protrusion protrudes upward relative to the web.

[0017] Optionally, a groove is arranged at at least one top reverse bending line;

[0018] comprising at least one of the following:

[0019] In the second direction, the groove is centrally arranged relative to the top reverse bend line;

[0020] The axis of the groove extends along the first direction;

[0021] At least one groove is arranged corresponding to one top reverse bend line;

[0022] In a cross section perpendicular to the first direction, the cross-sectional shape of the groove is semicircular;

[0023] The truss further comprises a first longitudinal rib arranged in the groove.

[0024] Optionally, the truss further comprises a first longitudinal rib arranged in the top chord structure;

[0025] comprising at least one of the following:

[0026] The first longitudinal rib extends along the first direction;

[0027] At least one first longitudinal rib is arranged in the top chord structure;

[0028] The first longitudinal rib is arranged spaced apart from the web or connected to the web, or the first longitudinal rib is arranged in a through hole of the web.

[0029] Optionally, the truss further comprises a cladding member, the cladding member comprising a cavity with a downward opening, and the top chord structure is arranged in the cavity of the cladding member.

[0030] Optionally, comprising at least one of the following:

[0031] The cladding member comprises a channel steel or a C-shaped steel, if the cladding member is a channel steel, the cladding member cladding the upper surface and the side surface of the top chord structure; if the cladding member is a C-shaped steel, the cladding member cladding the upper surface, the side surface and at least part of the lower surface of the top chord structure;

[0032] The opening edge of the cladding member is bent inwardly into the cavity and embedded in the top chord structure;

[0033] The opening edge of the cladding member is serrated or wavy, or a protrusion in the shape of an anchor is arranged along the opening edge of the cladding member in sequence;

[0034] At least one of the top wall and the two side walls of the cladding member is provided with a protrusion towards the top chord structure, and the protrusion is embedded in the top chord structure.

[0035] Optionally, in a cross section perpendicular to the first direction, the cross-sectional shape of the top chord structure is rectangular, trapezoidal, oblong, hexagonal or octagonal with long sides extending along the second direction.

[0036] In a second aspect, the embodiments of the present application provide a floor slab, comprising:

[0037] The truss as described above;

[0038] The bottom plate is connected with the web of the truss and is located at the bottom reverse bending line of the web.

[0039] Optionally, the bottom plate comprises a bottom rib group and a concrete plate, the bottom rib group is partially arranged at the plurality of bottom reverse bending lines of the web, and the concrete plate wraps the plurality of bottom reverse bending lines and the bottom rib group.

[0040] The bottom rib group comprises at least one of the following:

[0041] The concrete plate extends along the first direction.

[0042] The bottom rib group comprises a second longitudinal rib and a plurality of transverse ribs, the plurality of transverse ribs are arranged one by one on the plurality of bottom reverse bending lines, and the second longitudinal rib is arranged on the plurality of transverse ribs.

[0043] The bottom rib group comprises a second longitudinal rib subjected to prestress.

[0044] In a third aspect, the embodiments of the present application provide a building component, comprising: the floor slab as described above.

[0045] Optionally, the building component comprises a staircase;

[0046] The staircase comprises an inclined floor slab and at least two steps.

[0047] The at least two steps wrap the truss and the bottom rib group exposed to the bottom plate of the floor slab.

[0048] Optionally, the staircase comprises:

[0049] A first steel bar assembly is connected with the floor slab;

[0050] A first concrete structure wraps the floor slab and the first steel bar assembly.

[0051] Optionally, the building component comprises at least one of the following:

[0052] The first steel bar assembly comprises a plurality of first steel bars and a plurality of second steel bars arranged on and connected with the truss of the floor slab, the plurality of first steel bars are distributed along the length direction of the staircase and each extends along the width direction of the staircase, and the plurality of second steel bars are distributed along the width direction of the staircase and each extends along the length direction of the staircase.

[0053] The bottom plate of the floor slab is provided with at least two trusses, the at least two trusses of the floor slab are sequentially distributed along the width direction of the floor slab and each extends along the length direction of the floor slab as a whole.

[0054] Optionally, the building component comprises a floor slab;

[0055] The floor slab comprises the floor slab and a weight-reducing module arranged on the floor slab.

[0056] Optionally, the building component comprises at least one of:

[0057] The floor slab comprises a plurality of weight-reducing modules, the plurality of weight-reducing modules being arrayed on the floor slab;

[0058] The weight-reducing module comprises a weight-reducing block or a composite box;

[0059] The floor slab is provided with at least two trusses, the at least two trusses of the floor slab each extend along a length direction of the floor slab as a whole, and the plurality of weight-reducing modules and the at least two trusses of the floor slab are alternately distributed along a width direction of the floor slab.

[0060] Optionally, the building component comprises a floor; the floor is used as a floor slab of the floor.

[0061] Optionally, the floor comprises:

[0062] The weight-reducing module is arranged on the floor slab;

[0063] The second reinforcing component is arranged on the weight-reducing module and / or the floor slab;

[0064] The second concrete structure wraps the weight-reducing module, the second reinforcing component and at least part of the floor slab.

[0065] Optionally, the building component comprises at least one of:

[0066] The floor comprises a plurality of weight-reducing modules, the plurality of weight-reducing modules being arrayed on the floor slab;

[0067] The second reinforcing component comprises a third reinforcing bar and a fourth reinforcing bar, the third reinforcing bar and the fourth reinforcing bar intersect, and the third reinforcing bar and the fourth reinforcing bar are arranged on the truss and / or the floor slab of the floor.

[0068] Optionally, the building component comprises a cross beam; the cross beam comprises a floor slab;

[0069] The cross beam is provided with a through hole, and the through hole is used for assembling a fastener.

[0070] Optionally, the cross beam further comprises a truss structure, the truss structure is arranged on a floor slab and located on one side of the truss of the floor slab along a width direction of the cross beam.

[0071] Optionally, the floor slab is provided with at least two trusses, the at least two trusses of the floor slab are alternately distributed along a width direction of the cross beam, and each extend along a length direction of the cross beam as a whole;

[0072] The truss of the floor slab is provided with at least one through hole along at least one side of the floor slab in the width direction of the cross beam; or the truss structure extends along the length direction of the cross beam, and the truss structure is located between two adjacent trusses of the floor slab, and at least one through hole is arranged between the truss structure and the truss of the floor slab.

[0073] Optionally, the building component comprises a composite beam.

[0074] The floor slab is used as the bottom plate of the composite beam.

[0075] Optionally, the composite beam comprises a fifth steel bar, the fifth steel bar comprising at least vertical segments located on both sides of the truss of the floor slab in the width direction of the composite beam, and the bottom of the fifth steel bar is connected to the bottom plate of the floor slab.

[0076] The fifth steel bar comprises at least one of the following:

[0077] The fifth steel bar is in a U shape, and the opening faces upward.

[0078] The fifth steel bar further comprises a first horizontal segment, two ends of the first horizontal segment are respectively connected to the bottom ends of the vertical segments on both sides of the truss of the floor slab, and the first horizontal segment and the bottom ends of the vertical segments are wrapped in the bottom plate of the floor slab.

[0079] The number of the fifth steel bars is at least two, and the at least two fifth steel bars are distributed along the length direction of the composite beam.

[0080] Optionally, the composite beam comprises a sixth steel bar, the sixth steel bar comprising at least vertical segments located on both sides of the truss of the floor slab in the width direction of the composite beam, and the bottom of the sixth steel bar is connected to the bottom plate of the floor slab.

[0081] The sixth steel bar comprises at least one of the following:

[0082] The sixth steel bar is in a ring shape.

[0083] The sixth steel bar further comprises a second horizontal segment and a third horizontal segment, the second horizontal segment and the third horizontal segment are respectively connected to the vertical segments, the second horizontal segment is located at the bottom of the vertical segment, the third horizontal segment is located at the top of the vertical segment, and the second horizontal segment and the bottom of the vertical segment are wrapped in the bottom plate of the floor slab.

[0084] The number of the sixth steel bars is at least two, and the at least two sixth steel bars are distributed along the length direction of the composite beam.

[0085] The technical scheme provided by the embodiments of the present application has the following beneficial technical effects:

[0086] In this embodiment, both the upper chord structure and the overall length of the web extend along a first direction. The web is wavy and has multiple top inverted curves spaced apart along the first direction. These multiple top inverted curves are enclosed within the upper chord structure. This allows the multiple top inverted curves of the web to be directly anchored into the upper chord structure during truss fabrication, eliminating the need for welding or riveting the upper chord members to the web members in related technologies. Furthermore, the top inverted curves extend along a second direction perpendicular to the upper chord structure (i.e., perpendicular to the overall length of the web), and the direction of extension of the top inverted curves is perpendicular to the edge lines of the web's two side walls along the second direction. This reduces the processing and assembly difficulty of the upper chord structure and the web, and is energy-efficient and environmentally friendly.

[0087] Additional aspects and advantages of this application will be set forth in part in the description which follows, and will become apparent from the description or may be learned by practice of this application. Attached Figure Description

[0088] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein:

[0089] Figure 1 A side view of a specific example of a truss provided in an embodiment of this application;

[0090] Figure 2 for Figure 1 Front view of the middle truss;

[0091] Figure 3 A side view of another specific example of a truss provided in an embodiment of this application;

[0092] Figure 4 for Figure 3 Front view of the middle truss;

[0093] Figures 5 to 7 A side view of a truss provided in different embodiments of this application (where the relative positions of the first longitudinal rib and the web are different).

[0094] Figures 8 to 10 Side views of a truss provided for embodiments of this application in different specific instances (where the cross-sectional shape of the covering is different);

[0095] Figure 11 and Figure 12 The opening edge shape of a truss covering provided in this application embodiment (e.g.) Figure 10 Schematic diagrams of the cross-section at point A in different specific examples;

[0096] Figures 13 to 17 Schematic diagrams of the cross-sectional shape of the upper chord structure of a truss provided in this application embodiment in different specific instances;

[0097] Figure 18 A front view of a floor provided for an embodiment of the present application;

[0098] Figure 19 A perspective view of a specific example of a building component being a stair when provided for an embodiment of the present application;

[0099] Figure 20 A side view of a specific example of a building component being a stair when provided for an embodiment of the present application;

[0100] Figure 21 A sectional view of a specific example of a building component being a stair when provided for an embodiment of the present application;

[0101] Figure 22 A cross-sectional schematic view of a specific example of a stair segment of a building component being a stair when provided for an embodiment of the present application;

[0102] Figure 23 A perspective view of a specific example of a building component being a floor bottom plate when provided for an embodiment of the present application;

[0103] Figure 24 A top view of a specific example of a building component being a floor bottom plate when provided for an embodiment of the present application;

[0104] Figure 25 A front view of a specific example of a building component being a floor bottom plate when provided for an embodiment of the present application;

[0105] Figure 26 A side view of a specific example of a building component being a floor bottom plate when provided for an embodiment of the present application;

[0106] Figure 27 A perspective view of another specific example of a building component being a floor when provided for an embodiment of the present application;

[0107] Figure 28 A top view of another specific example of a building component being a floor when provided for an embodiment of the present application;

[0108] Figure 29 A front view of another specific example of a building component being a floor when provided for an embodiment of the present application;

[0109] Figure 30 A side view of another specific example of a building component being a floor when provided for an embodiment of the present application;

[0110] Figure 31 A perspective view of a specific example of a building component being a cross beam when provided for an embodiment of the present application;

[0111] Figure 32 A top view of one specific example of a building component provided by an embodiment of the present application as a cross beam member;

[0112] Figure 33 A front view of one specific example of a building component provided by an embodiment of the present application as a cross beam member;

[0113] Figure 34 A side view of one specific example of a building component provided by an embodiment of the present application as a cross beam member;

[0114] Figure 35 A perspective view of another specific example of a building component provided by an embodiment of the present application as a cross beam member;

[0115] Figure 36 A top view of another specific example of a building component provided by an embodiment of the present application as a cross beam member;

[0116] Figure 37 A front view of another specific example of a building component provided by an embodiment of the present application as a cross beam member;

[0117] Figure 38 A side view of another specific example of a building component provided by an embodiment of the present application as a cross beam member;

[0118] Figure 39 A perspective view of one specific example of a building component provided by an embodiment of the present application as a composite beam;

[0119] Figure 40 A top view of one specific example of a building component provided by an embodiment of the present application as a composite beam;

[0120] Figure 41 A front view of one specific example of a building component provided by an embodiment of the present application as a composite beam;

[0121] Figure 42 A side view of one specific example of a building component provided by an embodiment of the present application as a composite beam;

[0122] Figure 43 A sectional view of one specific example of a building component provided by an embodiment of the present application as a composite beam;

[0123] Figure 44 A perspective view of another specific example of a building component provided by an embodiment of the present application as a composite beam;

[0124] Figure 45A top view of another specific example of a building component being a composite beam, provided as an embodiment of this application;

[0125] Figure 46 A front view of another specific example of a building component being a composite beam, provided in the embodiments of this application;

[0126] Figure 47 A side view of another specific example of a building component being a composite beam, provided as an embodiment of this application;

[0127] Figure 48 This is a cross-sectional view of another specific example of a building component that is a composite beam, as provided in the embodiments of this application.

[0128] Figure label:

[0129] 1-Upper chord structure; 2-Web plate; 3-Top inverted curve; 4-Protrusion; 5-Groove; 6-First longitudinal reinforcement; 7-Covering component; 8-Opening edge; 8'-Opening edge shape; 9-Concrete slab; 10-Bottom inverted curve; 11-Transverse reinforcement; 12-Second longitudinal reinforcement; 20-Truss; 30-Bottom plate; 31-Bottom reinforcement group;

[0130] 100-floor slab;

[0131] 200-stairs;

[0132] 210 - Staircase; 211 - Step; 220 - End beam or platform;

[0133] 230 - First reinforcing bar assembly; 231 - First reinforcing bar; 232 - Second reinforcing bar;

[0134] 240 - First concrete structure;

[0135] 251 - Seventh reinforcing bar; 252 - Eighth reinforcing bar;

[0136] 300 - floor slab; 300' - floor slab base plate;

[0137] 310 - Weight reduction module; 320 - Second concrete structure; 330 - Second steel reinforcement assembly; 331 - Third steel reinforcement; 332 - Fourth steel reinforcement;

[0138] 400-span beam component;

[0139] 410 - Through hole; 420 - Truss structure; 421 - Web reinforcement; 422 - Top chord rib;

[0140] 500-Composite beam;

[0141] 520 - Fifth reinforcing bar; 530 - Sixth reinforcing bar. Detailed Implementation

[0142] The embodiments of the present application will be described below in conjunction with the accompanying drawings. It should be understood that the embodiments described below in conjunction with the accompanying drawings are exemplary descriptions of the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions of the embodiments of the present application.

[0143] Those skilled in the art can understand that, unless specifically stated otherwise, "said" and "the" used herein can also include the plural form. It should be further understood that the phrase "comprising" used in the specification of the present application means that the features, integers, steps, operations and / or components exist, but does not exclude other features, information, data, steps, operations, components and / or combinations thereof supported by the present technology. The term "and / or" used herein means at least one of the items defined by the term, for example, "A and / or B" can be implemented as "A", or as "B", or as "A and B".

[0144] In order to make the purposes, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0145] The truss, floor and building component provided by the present application aims to solve the above technical problems of related technologies.

[0146] The technical solutions of the present application and how the technical solutions of the present application solve the above technical problems will be described in detail below with specific embodiments. It should be pointed out that the following embodiments can be mutually referenced, borrowed or combined, and the same terms, similar features and similar implementation steps in different embodiments will not be described repeatedly.

[0147] The present application provides a truss, a structural diagram of which is shown in Figure 1 and Figure 2 The truss includes a top chord structure 1 and a web plate 2.

[0148] The top chord structure 1 extends along a first direction; the web plate 2 is wavy and has an overall length extending along the first direction, and the web plate 2 has a plurality of top reverse bending lines 3 distributed along the first direction in sequence, and the plurality of top reverse bending lines 3 are wrapped in the top chord structure 1; wherein the top reverse bending line 3 extends along a second direction perpendicular to the first direction, and is perpendicular to the edge line of the two side walls of the web plate 2 along the second direction.

[0149] In the embodiment of the present application, the overall length of the top chord structure 1 and the web plate 2 extends along the first direction, the web plate 2 is in a wave shape, and has a plurality of top reverse bending lines 3 which are sequentially and spacedly distributed along the first direction and are wrapped in the top chord structure 1. In this way, during the manufacturing of the truss, the plurality of top reverse bending lines 3 of the web plate 2 can be directly anchored in the top chord structure 1, and the connection process of welding or riveting the top chord and the web plate in the related art is omitted. Moreover, the top reverse bending line 3 extends along a second direction which is perpendicular to the top chord structure 1 (i.e. perpendicular to the overall length of the web plate 2), and the extending direction of the top reverse bending line 3 is perpendicular to the edge line of the side wall surface of the web plate 2 along the second direction, which can reduce the processing and assembling difficulty of the top chord structure 1 and the web plate 2, and is energy-saving and environment-friendly.

[0150] Optionally, as shown in Figure 1 and Figure 2 , in the embodiment of the present application, the top chord structure 1 comprises a strip-shaped concrete (concrete), and the plurality of top reverse bending lines 3 are anchored in the strip-shaped concrete. The top reverse bending lines 3 of the web plate 2 can be directly anchored in the strip-shaped concrete (i.e. the top chord structure 1), so that the connection process of welding or riveting the top chord and the web plate in the related art is omitted. The strip-shaped concrete extends along the first direction.

[0151] Optionally, as shown in Figure 1 , in the embodiment of the present application, the top reverse bending line 3 is arranged centrally relative to the top chord structure 1 in the second direction. In this way, the stress can be more uniform and reasonable.

[0152] Optionally, as shown in Figure 2 , in the embodiment of the present application, the web plate 2 comprises a wave-shaped steel strip. The web plate 2 is made of the steel strip by continuously and reversely bending the steel strip into a wave shape.

[0153] Optionally, as shown in Figures 2 to 4 , in the embodiment of the present application, the web plate 2 is provided with a protrusion 4. In this way, the structural strength of the web plate 2 can be improved, and the stability of the web plate 2 under pressure can be enhanced.

[0154] Optionally, as shown in Figure 2 and Figure 4 , in the embodiment of the present application, the web plate 2 is provided with a protrusion 4 between any adjacent top reverse bending line 3 and bottom reverse bending line 10. In this way, the structural strength and stability of the web plate between the top reverse bending line 3 and the bottom reverse bending line 10 can be improved.

[0155] Optionally, as shown in Figure 2 , in the embodiment of the present application, the web plate 2 has a plurality of bottom reverse bending lines 10 which are sequentially distributed along the first direction. The plurality of top reverse bending lines 3 and the plurality of bottom reverse bending lines 10 are sequentially and staggeredly distributed along the first direction.

[0156] Optionally, as shown in Figure 2 and Figure 4As shown in the drawings, in the embodiment of the present application, the protrusion 4 extends along the bottom reverse bending line 10 of the web plate 2 in the direction of the top reverse bending line 3. The protrusion 4 is a strip-shaped protrusion extending along the bottom reverse bending line 10 in the direction of the top reverse bending line 3 (or the top reverse bending line 3 in the direction of the bottom reverse bending line 10), and the strip-shaped protrusion arranged on the web plate 2 can enhance the stability of the web plate 2 in the compressed state.

[0157] Optionally, as shown in the drawings, Figure 2 and Figure 4 As shown in the drawings, in the embodiment of the present application, the protrusion 4 protrudes upward relative to the web plate 2. Of course, in other optional embodiments of the present application, the protrusion 4 can also protrude downward relative to the web plate 2 according to actual needs.

[0158] Optionally, as shown in the drawings, Figure 3 As shown in the drawings, in the embodiment of the present application, the groove 5 is arranged at at least one top reverse bending line 3. By arranging the groove 5 at the top reverse bending line 3 of the web plate 2, the spring effect of the wave-shaped web plate 2 can be reduced.

[0159] Optionally, as shown in the drawings, Figure 3 As shown in the drawings, in the embodiment of the present application, in the second direction, the groove 5 is arranged centrally relative to the top reverse bending line 3. In this way, the effect of reducing the spring effect of the wave-shaped web plate 2 by using the groove 5 is more uniform and reasonable.

[0160] Optionally, in the embodiment of the present application, the axis of the groove 5 extends in the first direction. The extension direction of the groove 5 is parallel to the extension direction of the overall length of the web plate 2 and perpendicular to the extension direction of the top reverse bending line 3.

[0161] Optionally, as shown in the drawings, Figure 3 As shown in the drawings, in the embodiment of the present application, at least one groove 5 is arranged corresponding to one top reverse bending line 3.

[0162] Optionally, as shown in the drawings, Figure 3 As shown in the drawings, in the embodiment of the present application, when one groove 5 is arranged corresponding to one top reverse bending line 3, the groove 5 can be arranged centrally relative to the top reverse bending line 3. When two or more grooves 5 are arranged corresponding to one top reverse bending line 3, the two or more grooves 5 can be sequentially and spacedly distributed along the extension direction (i.e. the second direction) of the top reverse bending line 3.

[0163] Optionally, as shown in the drawings, Figure 3 As shown in the drawings, in the embodiment of the present application, in the cross section perpendicular to the first direction, the cross-sectional shape of the groove 5 is semicircular. The semicircular groove has uniform force on each part, which can improve the uniformity of reducing the spring effect.

[0164] Of course, in other optional embodiments of the present application, the cross-sectional shape of the groove 5 in the cross section can also be set to other shapes according to actual needs, such as polygon, semi-elliptical, etc.

[0165] Optionally, as shown in the figure, Figures 3 to 7 In the embodiment of the present application, the truss further comprises a first longitudinal reinforcement 6 arranged in the upper chord structure 1.

[0166] In the embodiment of the present application, the first longitudinal reinforcement 6 is arranged in the strip-shaped concrete (i.e. the upper chord structure 1), which can increase the crack resistance and tensile strength of the concrete.

[0167] Optionally, as shown in the figure, Figure 4 Figure 4 In the embodiment of the present application, the first longitudinal reinforcement 6 extends in the first direction (e.g. the left-right direction). The first longitudinal reinforcement 6 is parallel to the extension direction of the upper chord structure 1 and perpendicular to the extension direction of the top reverse bend line 3.

[0168] Optionally, the first longitudinal reinforcement 6 is a longitudinal steel bar.

[0169] Optionally, as shown in the figure, Figure 3 , Figures 5 to 7 In the embodiment of the present application, at least one first longitudinal reinforcement 6 is arranged in the upper chord structure 1.

[0170] Optionally, as shown in the figure, Figure 3 , Figures 5 to 7 In the embodiment of the present application, 1 to 2 first longitudinal reinforcements 6 can be arranged in the upper chord structure 1.

[0171] Optionally, as shown in the figure, Figure 3 In some embodiments of the present application, the first longitudinal reinforcement 6 is arranged apart from the web 2. The first longitudinal reinforcement 6 and the plurality of top reverse bend lines 3 of the web 2 are arranged apart in the upper chord structure 1 and do not interfere with each other.

[0172] Optionally, as shown in the figure, Figure 6 and Figure 7 In another embodiment of the present application, the first longitudinal reinforcement 6 is connected to the web 2.

[0173] Optionally, in the embodiment of the present application, the first longitudinal reinforcement 6 is welded to the web 2 and located in the upper chord structure 1.

[0174] Optionally, as shown in the figure, Figure 5 In yet another embodiment of the present application, the first longitudinal reinforcement 6 is arranged in the through hole of the web 2.

[0175] Optionally, in the embodiment of the present application, a through hole is punched in the web 2 for the first longitudinal reinforcement 6 to pass through, and the first longitudinal reinforcement 6 is arranged in the through hole.

[0176] Optionally, as shown in the figure, Figure 3 In still another embodiment of the present application, the first longitudinal reinforcement 6 is arranged in the groove 5.

[0177] Optionally, as shown in the figure, Figure 3 ​As shown, in the embodiment of the present application, the first longitudinal rib 6 is arranged apart from the inner wall of the groove 5. Of course, in other embodiments, the first longitudinal rib 6 can be connected to the inner wall of the groove 5 (such as welding) according to actual needs.

[0178] Optionally, as shown in the embodiment of the present application, the truss further comprises a cladding member 7, the cladding member 7 comprises a cavity with a downward opening, and the upper chord structure 1 is arranged in the cavity of the cladding member 7. Figures 8 to 10

[0179] In the embodiment of the present application, the cladding member 7 at least wraps the upper surface and the side surface of the upper chord structure 1 in the cavity of the cladding member 7, and the cladding member 7 and the upper chord structure 1 are formed in an integrated manner to bear force in combination. The opening arranged downward by the cladding member 7 can also avoid the web plate 2, facilitating the anchoring of the web plate 2 into the upper chord structure 1.

[0180] Optionally, as shown in the embodiment of the present application, the upper chord structure 1 is a strip-shaped concrete, and the iron sheet is wrapped on at least the upper surface and the side surface of the strip-shaped concrete to form an open cladding member 7, and the iron sheet is formed in an integrated manner with the strip-shaped concrete to bear force in combination, and the iron sheet can also serve as a mold for pouring concrete. Figures 8 to 10

[0181] Optionally, as shown in some embodiments of the present application, the cladding member 7 is a channel steel, and the cladding member 7 wraps the upper surface and the side surface of the upper chord structure 1. Figure 8 Optionally, as shown in some embodiments of the present application, the cladding member 7 is a channel steel, and the cladding member 7 wraps the upper surface and the side surface of the upper chord structure 1.

[0182] Figure 9 Figure 10 Optionally, as shown in some embodiments of the present application, the cladding member 7 is a channel steel, and the cladding member 7 wraps the upper surface and the side surface of the upper chord structure 1.

[0183] Optionally, as shown in the embodiment of the present application, the opening edge 8 of the cladding member 7 is bent inwardly into the cavity and embedded into the upper chord structure 1. Figure 10 Optionally, in the embodiment of the present application, the opening edge 8 of the cladding member 7 is bent inwardly into the cavity and embedded into the strip-shaped concrete, which can strengthen the combination of steel and concrete (the cladding member 7 and the upper chord structure 1) to improve the structural strength.

[0184] Optionally, as shown in the embodiment of the present application, the opening edge shape 8' of the cladding member 7 is serrated or wavy. In this way, the anchoring of the cladding member 7 and the upper chord structure 1 can be further strengthened.

[0185] Figure 11 Of course, as shown in the embodiment of the present application, the opening edge shape 8' of the cladding member 7 is serrated or wavy. In this way, the anchoring of the cladding member 7 and the upper chord structure 1 can be further strengthened.

[0186] Of course, as shown in the embodiment of the present application, the opening edge shape 8' of the cladding member 7 is serrated or wavy. In this way, the anchoring of the cladding member 7 and the upper chord structure 1 can be further strengthened. Figure 12 ​​​​​As shown, in some alternative embodiments of this application, anchor-shaped protrusions can be sequentially provided along the opening edge 8 of the covering 7, with the opening edge shape 8' resembling an anchor. There is a space between two adjacent anchor-shaped protrusions that fits the shape of the anchor-shaped protrusion. When the covering 7 is filled with concrete to form the upper chord structure 1, the concrete fills this space, thereby embedding the opening edge 8 into the upper chord structure 1 and strengthening the anchoring effect between the covering 7 and the upper chord structure 1.

[0187] Optionally, in this embodiment of the application, at least one of the top wall and two side walls of the covering 7 is provided with a protrusion (not shown in the figure) facing the upper chord structure 1. The protrusion is embedded in the upper chord structure 1, which can increase the connection effect between the covering 7 and the upper chord structure 1 and improve the integrity and strength of the truss upper chord rib.

[0188] Optionally, in this embodiment of the application, depending on the actual requirements for the connection effect between the covering 7 and the upper chord structure 1, a protrusion can be provided on the side of the top wall of the covering 7 facing the upper chord structure 1 (i.e., the top wall inside the cavity of the covering 7). Alternatively, a protrusion can be provided on any side wall of the covering 7 facing the upper chord structure 1 (i.e., any side wall inside the cavity of the covering 7) or on both side walls facing the upper chord structure 1 (i.e., the two side walls inside the cavity of the covering 7). Alternatively, a protrusion can be provided on the top wall and at least one side wall of the covering 7 facing the upper chord structure 1.

[0189] Optionally, in the embodiments of this application, the protrusions on the side of the covering 7 facing the upper chord structure 1 can be formed by dotting or punching, or they can be set as strip protrusions.

[0190] Optionally, such as Figures 13 to 17 As shown in the embodiment of this application, in the cross-section perpendicular to the first direction, the cross-sectional shape of the upper chord structure 1 is rectangular (e.g., ...). Figure 13 As shown), trapezoidal (as shown) Figure 14 As shown), oblong (as shown) Figure 15 (as shown), a hexagon with a long side extending along the second direction (such as...) Figure 17 (as shown), or an octagon with a long side extending along the second direction (such as...) Figure 16 (As shown). Various cross-sectional shapes can be flexibly selected according to different engineering needs.

[0191] Optionally, in the embodiments of this application, the upper chord structure 1 can be a strip structure with a cross-sectional shape of elongated oval or polygonal (such as rectangle, trapezoid, hexagon with a long side extending along the second direction, or octagon with a long side extending along the second direction, etc.).

[0192] Optionally, such as Figures 13 to 17As shown, in the embodiment of the present application, the cross-sectional shape of the upper chord structure 1 is symmetrical with respect to the vertical line axis of the upper chord structure 1. The cross-sectional shape of the upper chord structure 1 is a symmetrical figure.

[0193] Optionally, in the embodiment of the present application, the upper chord structure 1, the cover member 7 and the first longitudinal rib 6 are upper chord ribs of the truss.

[0194] The embodiment of the present application provides a strip-shaped concrete upper chord rib and a wave-shaped steel web truss.

[0195] The truss provided by the embodiment of the present application can be applied to a floor slab, for example, a composite slab or a floor support slab.

[0196] Based on the same inventive concept, the embodiment of the present application provides a floor slab, a structural schematic diagram of which is as shown in Figure 18 The floor slab comprises the truss and a bottom plate, the bottom plate is connected with the web 2 of the truss and is located at the bottom reverse bending line 10 of the web 2.

[0197] In the embodiment of the present application, the bottom plate is connected with the web 2 of the truss and is located at the bottom reverse bending line 10 of the web 2. The bottom plate and the truss are reliably connected to form the floor slab and jointly bear stress.

[0198] It should be noted that, since the floor slab of the embodiment of the present application comprises the truss of the embodiment of the present application, the floor slab of the embodiment of the present application also has the above beneficial effects of the truss of the embodiment of the present application, which will not be described herein again.

[0199] Optionally, in the embodiment of the present application, the floor slab is a composite slab. The truss provided by the embodiment of the present application can be used to manufacture a reinforced truss composite slab. Of course, in other embodiments, the floor slab can also be a floor support slab.

[0200] Optionally, as shown in Figure 18 In the embodiment of the present application, the bottom plate comprises a bottom rib group and a concrete plate 9, the bottom rib group is partially arranged at the plurality of bottom reverse bending lines 10 of the web 2, and the concrete plate wraps the plurality of bottom reverse bending lines 10 and the bottom rib group. The bottom plate of the embodiment of the present application can be inserted into the reinforced concrete bottom plate to form a composite slab.

[0201] Optionally, as shown in Figure 18 In the embodiment of the present application, the concrete plate 9 extends along the first direction (for example, the left-right direction in Figure 18 The concrete plate 9 is a long strip and is parallel to the upper chord structure 1.

[0202] Optionally, in the embodiment of the present application, the thickness of the concrete plate 9 is less than 100 mm.

[0203] Optionally, as shown in Figure 18As shown, in the embodiment of the present application, the bottom rib group includes the second longitudinal rib 12 and a plurality of transverse ribs 11, and the plurality of transverse ribs 11 are arranged one by one on the plurality of bottom reverse bending lines 10, and the second longitudinal rib 12 is arranged on the plurality of transverse ribs 11.

[0204] In the embodiment of the present application, the transverse rib 11 is arranged on the upper part of the bottom reverse bending line 10 of the web plate 2, the second longitudinal rib 12 is arranged on the upper part of the transverse rib 11 and is tied together, and the concrete is poured to form the concrete slab 9 as the bottom plate. By using the reasonable weaving relationship of the web plate 2, the transverse rib 11 and the second longitudinal rib 12, the web plate 2 can be prevented from being pushed out of the concrete.

[0205] Optionally, the transverse rib 11 is made of a transverse steel bar, and the second longitudinal rib 12 is made of a longitudinal steel bar.

[0206] Optionally, in the embodiment of the present application, the second longitudinal rib 12 is prestressed. The second longitudinal rib 12 is prestressed before pouring the concrete, and the prestressing of the second longitudinal rib 12 can reduce the concrete cracking of the concrete slab 9.

[0207] In the embodiment of the present application, the manufacturing process of the truss and the floor slab (for example, the composite slab) is as follows:

[0208] The strip steel in a roll is folded into a wave-shaped web plate 2 by an automatic continuous bending machine, the web plate 2 is placed in a mold (the mold can be a cladding piece 7) of a strip-shaped concrete (i.e., the upper chord structure 1) and is accurately positioned. The concrete is poured and vibrated and maintained, and after reaching the strength, the mold is removed to obtain the truss. The poured strip-shaped concrete is used as the upper chord structure 1. If the channel steel or the C-shaped steel is used as the cladding piece 7, the channel steel or the C-shaped steel can be directly used as the mold of the upper chord structure 1, and the mold does not need to be removed.

[0209] Optionally, the protrusion 4 can be pressed on the strip steel by a mold before the continuous bending of the strip steel.

[0210] Optionally, the recess 5 can be pressed when the strip steel is continuously bent.

[0211] Optionally, the first longitudinal rib 6 can be automatically welded to the web plate 2 or punched into the web plate 2 when the strip steel is bent.

[0212] Then, the transverse rib 11 is placed above the bottom reverse bending line 10 of the web plate 2 of the prefabricated truss, the second longitudinal rib 12 is placed on the upper part of the transverse rib 11, and the three are tied together. The concrete is poured to reach the design thickness and strength to form the concrete slab 9, and the mold is removed to obtain the composite slab.

[0213] Optionally, before the second longitudinal rib 12 is placed on the upper part of the transverse rib 11, the second longitudinal rib 12 is prestressed and tensioned to a design value. Then, the prestressed second longitudinal rib 12 is used to operate according to the above steps to obtain the prestressed concrete composite slab.

[0214] Based on the same inventive concept, the embodiment of the present application provides a building component, which comprises the floor slab 100 as described above.

[0215] Optionally, as shown in Figures 19 to 48 the embodiment of the present application, the building component comprises at least one of a staircase 200, a floor slab 300, a floor slab bottom plate 300', a cross beam 400 and a composite beam 500.

[0216] In some optional embodiments of the present application, as shown in Figures 19 to 22 the building component comprises the staircase 200.

[0217] Optionally, as shown in Figures 19 to 21 the embodiment of the present application, the staircase 200 comprises a ladder section 210 using the floor slab 100 as a staircase bottom plate, and the ladder section 210 comprises at least two steps 211.

[0218] Optionally, as shown in Figures 19 to 21 the embodiment of the present application, the floor slab 100 is used as the bottom plate of the ladder section 210.

[0219] Optionally, as shown in Figures 19 to 21 the embodiment of the present application, the floor slab 100 is arranged obliquely, and the at least two steps 211 cover the truss 20 and the bottom rib group 31 exposed on the bottom plate 30 of the floor slab 100.

[0220] Optionally, as shown in Figures 19 to 22 the embodiment of the present application, the staircase 200 comprises a first steel bar assembly 230 and a first concrete structure 240. The first steel bar assembly 230 is connected with the floor slab 100, and the first concrete structure 240 covers the floor slab 100 and the first steel bar assembly 230.

[0221] In the embodiment of the present application, the floor slab 100 is used as the bottom plate of the staircase 200. The floor slab 100 is used to bear the first steel bar assembly 230 and the first concrete structure 240.

[0222] Optionally, as shown in Figure 19 and Figure 21 the embodiment of the present application, the first steel bar assembly 230 comprises a plurality of first steel bars 231 and a plurality of second steel bars 232 arranged on and connected with the truss 20 of the floor slab 100. The plurality of first steel bars 231 are distributed along the length direction of the staircase 200 (i.e. the longitudinal direction of the staircase 200) and each extends along the width direction of the staircase 200 (i.e. the transverse direction of the staircase 200), and the plurality of second steel bars 232 are distributed along the width direction of the staircase 200 and each extends along the length direction of the staircase 200.

[0223] Optionally, as shown in Figure 22As shown, in the embodiment of the present application, the first steel bars 231 extend along the transverse direction of the stair 200 as transverse steel bars; and the second steel bars 232 extend along the longitudinal direction of the stair 200 as longitudinal steel bars.

[0224] Optionally, as shown, Figure 22 in the embodiment of the present application, the first steel bars 231 are bent towards one side of the truss 20 of the floor 100 at each of the two ends of the first steel bars 231 along the width direction of the stair 200.

[0225] Optionally, as shown, Figure 22 in the embodiment of the present application, the first steel bars 231 are arranged on the truss 20 of the floor 100, and the second steel bars 232 are arranged on the side of the first steel bars 231 away from the truss 20 of the floor 100.

[0226] Optionally, in the embodiment of the present application, the first steel bars 231 can be installed on the truss 20 of the floor 100 by binding, lapping or anchoring. The first steel bars 231 and the second steel bars 232 are connected by binding, lapping or welding.

[0227] Optionally, as shown, Figures 19 to 21 in the embodiment of the present application, the truss 20 of the floor 100 extends along the length direction of the step 210 as a whole.

[0228] Optionally, as shown, Figure 19 and Figure 22 in the embodiment of the present application, the floor 100 includes at least two trusses 20, the at least two trusses 20 are arranged on the bottom plate 30 of the floor 100, and the at least two trusses 20 of the floor 100 are sequentially distributed along the width direction of the step 210.

[0229] Optionally, in the embodiment of the present application, the second steel bars 232 extend with the truss 20 or the bottom plate 30. The number of the first steel bars 231 and the second steel bars 232 is not limited. Optionally, the number of the second steel bars 232 can be adjusted according to the number of the truss 20.

[0230] Optionally, as shown, Figures 19 to 21 the stair 200 further includes end beams or platforms 220.

[0231] Optionally, as shown, Figures 19 to 21 in the embodiment of the present application, one end (hereinafter referred to as the high end) of the two ends of the step 210 is connected with one end beam or platform 220, and the other end (hereinafter referred to as the low end) is connected with another end beam or platform 220.

[0232] Optionally, the two ends of at least one of the second steel bars 232, the truss 20, the bottom plate 30 and the bottom bar group 31 along the length direction of the stair 200 can be fixed to the end beam or platform 220 by binding, lapping or anchoring.

[0233] Optionally, such as Figure 21 As shown in the embodiment of this application, the staircase 200 further includes a seventh reinforcing bar 251 and an eighth reinforcing bar 252. One end of the seventh reinforcing bar 251 is connected to at least one of the floor slab 100 (such as truss 20) and the second reinforcing bar 232, and the seventh reinforcing bar 251 extends horizontally in its entirety. One end of the eighth reinforcing bar 252 is connected to at least one of the floor slab 100 (such as bottom reinforcement group 31), the second reinforcing bar 232, and the seventh reinforcing bar 251, and the eighth reinforcing bar 252 extends vertically in its entirety. The seventh reinforcing bar 251 and the eighth reinforcing bar 252 are encased within a first concrete structure 240 located at the end beam or platform 220.

[0234] Optionally, in this embodiment of the application, the seventh reinforcing bar 251 can be directly connected to the floor slab 100 (such as truss 20) by binding, lapping or anchoring. Alternatively, the seventh reinforcing bar 251 can be bound or lapped together with the first reinforcing bar assembly 230 (such as the second reinforcing bar 232) so that the seventh reinforcing bar 251 is connected to the floor slab 100 through the first reinforcing bar assembly 230 (such as the second reinforcing bar 232).

[0235] Optionally, in this embodiment, the eighth reinforcing bar 252 can be directly connected to the floor slab 100 (such as truss 20) by binding, lapping, or anchoring. Alternatively, the eighth reinforcing bar 252 can be bound or lapped together with the first reinforcing bar assembly 230 (such as the second reinforcing bar 232) or the seventh reinforcing bar 251, so that the eighth reinforcing bar 252 is connected to the floor slab 100 through the first reinforcing bar assembly 230 (such as the second reinforcing bar 232) or the seventh reinforcing bar 251.

[0236] In this embodiment, the first reinforcing bar assembly 230 extends along the length of the stair section 210 and is fixedly installed on the floor slab 100. The seventh reinforcing bar 251 extends horizontally and is fixedly connected to the floor slab 100 or one end of the first reinforcing bar assembly 230. The eighth reinforcing bar 252 extends vertically and is fixedly connected to the floor slab 100, the seventh reinforcing bar 251, or one end of the first reinforcing bar assembly 230.

[0237] In the embodiment of the present application, the first steel bar assembly 230 is connected with the floor 100 to form the frame of the ladder section 210; the seventh steel bar 251 and the eighth steel bar 252 located at the high end form the frame of the high end end beam or platform 220; the seventh steel bar 251 and the eighth steel bar 252 located at the low end form the frame of the low end end beam or platform 220. After the frames of the ladder section 210 and the end beam or platform 220 are formed, the concrete is poured to wrap the above frames to obtain the first concrete structure 240, thereby forming the stair 200. The part of the surface of the first concrete structure 240 located at the ladder section 210 serves as the step 211, and the part of the surface of the first concrete structure 240 located at the end beam or platform 220 serves as the end beam or platform.

[0238] In the embodiment of the present application, the floor 100 can be used as the bottom plate of the stair 200, and the upper steel bars are bound and the concrete is poured to form the composite stair.

[0239] Optionally, the corresponding reinforcing bars are placed before pouring.

[0240] Optionally, the stair 200 of the embodiment of the present application can be a composite stair formed by using the upper opening steel pipe concrete upper chord and the wavy steel web truss provided in the embodiment of the present application.

[0241] In another optional embodiment of the present application, as shown in Figures 23 to 26 , the building component includes a floor bottom plate 300'; the floor bottom plate 300' includes a floor 100 and a weight reduction module 310 arranged on the floor 100.

[0242] Optionally, as shown in Figures 23 to 26 , in the embodiment of the present application, the floor bottom plate 300' includes a plurality of weight reduction modules 310, and the plurality of weight reduction modules 310 are arrayed on the floor 30 of the floor 100. This arrangement can improve the uniformity of the hollow part and the weight distribution of the hollow floor and can obtain better sound insulation effect.

[0243] Optionally, in the embodiment of the present application, the weight reduction module 310 can be hollow or light in weight. These two methods are used to reduce the weight.

[0244] Optionally, in the embodiment of the present application, the weight reduction module 310 includes but is not limited to a weight reduction block or a composite box. Optionally, as shown in Figures 23 to 26 , in the embodiment of the present application, the weight reduction block or the composite box is a hollow cuboid structure, and optionally, the vertex of the weight reduction block or the composite box is a rounded corner or a right angle.

[0245] Optionally, as shown in Figure 23 , Figure 24 , and Figure 26As shown in the figure, in the embodiment of the present application, the floor 100 comprises at least two trusses 20, the at least two trusses 20 are arranged on the bottom plate 30 of the floor 100, and the at least two trusses 20 of the floor 100 each extend along the length direction of the floor bottom plate 300'. The plurality of weight-reducing modules 310 and the at least two trusses 20 of the floor 100 are alternately arranged along the width direction of the floor bottom plate 300'. In this way, the weight-reducing modules 310 and the trusses 20 can be arranged more reasonably, and the structural strength and stability of the floor bottom plate 300' are improved, and the uniformity of the hollow part and the weight distribution of the floor bottom plate 300' is improved.

[0246] In some optional embodiments of the present application, as shown in the figure, Figures 27 to 30 The building component comprises a floor 300.

[0247] Optionally, as shown in the figure, Figures 27 to 30 In the embodiment of the present application, the floor 100 is used as the bottom plate of the floor 300.

[0248] Optionally, as shown in the figure, Figures 27 to 30 In the embodiment of the present application, the floor 300 comprises a weight-reducing module 310, a second reinforcing steel assembly 330 and a second concrete structure 320.

[0249] It should be noted that in the embodiment of the present application, the arrangement mode of the weight-reducing module 310 of the floor 300 and the floor 100 is the same as or similar to the arrangement mode of the weight-reducing module 310 of the floor bottom plate 300' and the floor 100 in the present application, and details are not repeated here. Please refer to the description of the arrangement mode of the weight-reducing module 310 of the floor bottom plate 300' and the floor 100 in the present application. Figures 23 to 26 The arrangement mode of the weight-reducing module 310 of the floor bottom plate 300' and the floor 100 in the embodiment of the present application is understood.

[0250] Optionally, as shown in the figure, Figures 27 to 30 In the embodiment of the present application, the weight-reducing module 310 is arranged on the floor 100. The second reinforcing steel assembly 330 is arranged on the weight-reducing module 310 and / or the floor 100. The second concrete structure 320 wraps the weight-reducing module 310, the second reinforcing steel assembly 330 and at least part of the floor 100.

[0251] In the embodiment of the present application, the floor 100 is used as the bottom plate of the floor 300. The floor 100 is used to bear the weight-reducing module 310, the second reinforcing steel assembly 330 and the second concrete structure 320.

[0252] In the embodiment of the present application, the inside of the weight-reducing module 310 is empty, and the floor 300 formed is a hollow floor. In this way, the self-weight of the floor 300 can be reduced, the sound insulation effect can be improved, and the cost can be reduced.

[0253] Optionally, as shown in the figure, Figures 27 to 30As shown, in the embodiment of the present application, the second reinforcing bar assembly 330 includes a third reinforcing bar 331 and a fourth reinforcing bar 332, and the third reinforcing bar 331 and the fourth reinforcing bar 332 intersect; the third reinforcing bar 331 and the fourth reinforcing bar 332 are arranged on the truss 20 and / or the bottom plate 30 of the floor 100.

[0254] In the embodiment of the present application, the third reinforcing bar 331 and the fourth reinforcing bar 332 are connected together at the intersection, which can improve the load bearing capacity and stability of the second reinforcing bar assembly 330, thereby improving the load bearing capacity of the overall structure of the floor 300.

[0255] Optionally, as shown in Figure 27 and Figure 28 , in the embodiment of the present application, the third reinforcing bar 331 and the fourth reinforcing bar 332 are arranged perpendicularly. The number of the third reinforcing bar 331 and the fourth reinforcing bar 332 is multiple respectively. The multiple third reinforcing bars 331 are distributed along a first direction and each extends along a second direction (e.g. the left-right direction as shown in Figure 30 ). The multiple fourth reinforcing bars 332 are distributed along the second direction and each extends along the first direction (e.g. the left-right direction as shown in Figure 29 ).

[0256] Optionally, the first direction and the second direction are parallel to the horizontal plane. The first direction and the second direction are perpendicular.

[0257] Optionally, as shown in Figure 27 , Figure 29 and Figure 30 , in the embodiment of the present application, the cross bar 11 of the bottom bar group 31 is parallel to the third reinforcing bar 331. The second longitudinal bar 12 of the bottom bar group 31 is parallel to the fourth reinforcing bar 332.

[0258] Optionally, the third reinforcing bar 331 and the fourth reinforcing bar 332, the third reinforcing bar 331 and the weight-reducing module 310 or the floor 100, and the fourth reinforcing bar 332 and the weight-reducing module 310 and the floor 100 can be connected together by lashing.

[0259] Optionally, in the embodiment of the present application, a weight-reducing block or a composite box is arranged on the floor 100, and the upper lashing reinforcing bar and the cast concrete form the hollow floor 300.

[0260] In still another optional embodiment of the present application, as shown in Figures 31 to 38 , the building component includes a cross beam member 400. The cross beam member 400 includes a floor 100.

[0261] Optionally, as shown in Figure 31 and Figure 32 , in the embodiment (first embodiment) of the present application, the cross beam member 400 is provided with a through hole 410 for assembling a fastener. The cross beam member 400 is connected with other components or devices through the fastener.

[0262] Optionally, as shown in Figure 31 and Figure 32 , in the embodiment of the present application, the truss 20 of the floor 100 is provided with at least one through hole 410 along at least one side of the width direction of the cross beam 400. Such arrangement can improve the stability and reliability of the connection.

[0263] Optionally, as shown in Figure 31 and Figure 32 , in the embodiment of the present application, the floor 100 can be used as the cross beam 400, and the hole is provided at the corresponding position of the cross beam 400 as the through hole 410. Optionally, the fastener includes but is not limited to a nail, and the through hole 410 is used to pass through the nail to connect the cross beam 400 with other components or equipment.

[0264] Optionally, as shown in Figures 35 to 38 , in the embodiment (second embodiment) of the present application, the cross beam 400 further includes a truss structure 420, which is arranged on the bottom plate 30 of the floor 100 and located on one side of the truss 20 of the floor 100 along the width direction of the cross beam 400. The cross beam 400 will generate a negative bending moment, which can increase the resistance of the truss structure 420 to the negative bending moment.

[0265] Optionally, in the embodiment of the present application, the truss structure 420 can adopt a conventional or ordinary truss in the art. Of course, in other optional embodiments, the truss structure 420 can also be made of the truss 20 provided in the embodiment of the present application according to actual needs.

[0266] Optionally, as shown in Figures 35 to 38 , in the embodiment of the present application, the truss structure 420 includes a web 421 and a top chord rib 422, the bottom of the web 421 is connected with the bottom plate 30 of the floor 100, and the top chord rib 422 is arranged at the top of the web 421.

[0267] Optionally, as shown in Figures 35 to 37 , in the embodiment of the present application, the web 421 is in a wave shape, the lower reverse folding part of the web 421 is wrapped in the bottom plate 30 of the floor 100, and the top chord rib 422 is fixedly installed at the upper reverse folding part of the web 421. The two sides of the top chord rib 422 along the width direction of the cross beam 400 are respectively provided with the web 421.

[0268] Optionally, the web 421 is made of steel bars. Optionally, the top chord rib 422 is made of steel bars.

[0269] Optionally, in the embodiment of the present application, one or more truss structures 420 can be arranged according to the actual situation of the negative bending moment generated by the cross beam 400. The top chord rib 422 is provided with one or more negative bending moment resisting steel bars according to the load.

[0270] Optionally, as shown in Figure 35 ,Figure 36 And Figure 38 As shown in

[0271] Optionally, as shown in Figure 35 And Figure 36 In the embodiment of the application, the truss structure 420 extends along the length direction of the cross beam 400 as a whole, and is located between the trusses 20 of the adjacent two floor slabs 100. This arrangement can improve the effect of resisting negative bending moment.

[0272] Optionally, as shown in Figure 35 And Figure 36 In the embodiment of the application, at least one through hole 410 is arranged between the truss 20 of the floor slab 100 and the truss structure 420, and between the truss 20 of the floor slab 100 and the truss structure 420. This arrangement can improve the stability and reliability of the connection.

[0273] In some other optional embodiments of the application, as shown in Figures 39 to 48 The building component comprises a composite beam 500. The floor slab 100 is used as the bottom plate of the composite beam 500.

[0274] Optionally, as shown in Figures 39 to 41 And Figures 44 to 46 In the embodiment of the application, the second longitudinal reinforcement 12 of the bottom reinforcement group 31 extends along the overall length direction of the composite beam 500.

[0275] Optionally, as shown in Figures 39 to 43 In the embodiment of the application (first specific example), the composite beam 500 comprises a fifth steel bar 520. The fifth steel bar 520 at least comprises a vertical segment located on both sides of the truss 20 of the floor slab 100 along the width direction of the composite beam 500, and the bottom is connected with the bottom plate 30 of the floor slab 100.

[0276] Optionally, as shown in Figure 39 , Figure 42 And Figure 43 In the embodiment of the application, the fifth steel bar 520 is in the shape of U, and the opening faces upward.

[0277] Optionally, as shown in Figure 39 , Figure 42 And Figure 43 In the embodiment of the application, the fifth steel bar 520 is in the shape of an open rectangle with the upper end. The opening of the fifth steel bar 520 faces away from the bottom plate 30 of the floor slab 100.

[0278] Optionally, as shown in Figure 43As shown in the figure, in the embodiment of the present application, the fifth steel bar 520 further comprises a first horizontal section, two ends of the first horizontal section are connected with bottom ends of the vertical sections on both sides of the truss 20 of the floor 100 respectively, and the first horizontal section and the bottom ends of the vertical sections are wrapped in the bottom plate 30 of the floor 100.

[0279] Optionally, as shown in the figures of Figure 39 , Figure 42 and Figure 43 , in the embodiment of the present application, top ends of the vertical sections on both sides of the truss 20 of the floor 100 are close to each other and bent downward.

[0280] Optionally, as shown in the figure of Figures 39 to 41 , in the embodiment of the present application, the number of the fifth steel bars 520 is at least two, and the at least two fifth steel bars 520 are distributed along the length direction of the composite beam 500. In this way, the structural strength and stability of the composite beam 500 can be improved.

[0281] Optionally, as shown in the figures of Figures 44 to 48 , in the embodiment (second specific example) of the present application, the composite beam 500 comprises a sixth steel bar 530, the sixth steel bar 530 at least comprises vertical sections on both sides of the truss 20 of the floor 100 along the width direction of the composite beam 500, and the bottom is connected with the bottom plate 30 of the floor 100.

[0282] Optionally, as shown in the figures of Figure 44 , Figure 47 and Figure 48 , in the embodiment of the present application, the sixth steel bar 530 is a ring structure.

[0283] Optionally, as shown in the figures of Figure 44 , Figure 47 and Figure 48 , in the embodiment of the present application, the sixth steel bar 530 is a closed rectangle.

[0284] Optionally, as shown in the figures of Figure 44 , Figure 47 and Figure 48 , in the embodiment of the present application, the sixth steel bar 530 further comprises a second horizontal section and a third horizontal section, the second horizontal section and the third horizontal section are connected with the vertical section respectively, the second horizontal section is located at the bottom of the vertical section, the third horizontal section is located at the top of the vertical section, and the second horizontal section and the bottom of the vertical section are wrapped in the bottom plate 30 of the floor 100.

[0285] In the embodiment of the present application, two ends of the second horizontal section are connected with bottom ends of the vertical sections on both sides of the truss 20 of the floor 100 respectively, and two ends of the third horizontal section are connected with top ends of the vertical sections on both sides of the truss 20 of the floor 100 respectively.

[0286] Optionally, as shown in the figure of Figures 44 to 46As shown, in the embodiment of the present application, the number of the sixth steel bars 530 is at least two, and the at least two sixth steel bars 530 are distributed along the length direction of the composite beam 500. In this way, the structural strength and stability of the composite beam 500 can be improved.

[0287] In the embodiment of the present application, the truss 20 of the floor slab 100 can be used as a bottom plate reinforcement to form the bottom plate of the composite beam 500. The floor slab 100 is used as the bottom plate of the composite beam 500 and is placed to be combined with the corresponding reinforcement to form the composite beam.

[0288] It should be noted that, since the building component of the embodiment of the present application includes the floor slab of the embodiment of the present application, the building component of the embodiment of the present application also has the above beneficial effects of the floor slab of the embodiment of the present application, which will not be described herein again.

[0289] By applying the embodiment of the present application, at least the following beneficial effects can be achieved:

[0290] In the embodiment of the present application, the overall length of the top chord structure and the web extends along the first direction, the web is in a wave shape and has a plurality of top reverse bending lines which are sequentially and spacedly distributed along the first direction, and the plurality of top reverse bending lines are wrapped in the top chord structure. In this way, during the manufacturing of the truss, the plurality of top reverse bending lines of the web can be directly anchored in the top chord structure, and the connection process of welding or riveting the top chord bar and the web bar in the related art is omitted. Moreover, the top reverse bending line extends along a second direction which is perpendicular to the top chord structure (i.e., perpendicular to the overall length of the web), and the extension direction of the top reverse bending line is perpendicular to the edge line of the two side walls of the web along the second direction. The processing and assembly difficulty of the top chord structure and the web can be reduced, and energy saving and environmental protection can be achieved.

[0291] In the description of the present application, the directions or positional relationships indicated by the words “center”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer” and the like are exemplary directions or positional relationships shown based on the drawings, and are for the convenience of description or simplification of the description of the embodiments of the present application, and are not intended to indicate or imply that the devices or components indicated must have a particular orientation, or be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0292] The terms “first” and “second” are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with “first” and “second” can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of “plurality” is two or more.

[0293] In the description of the application, it should be noted that, unless otherwise expressly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0294] In the description of the present application, the specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0295] The above is only part of the embodiments of the present application, it should be pointed out that, for those skilled in the art, without departing from the technical concept of the application, other similar implementation means based on the technical idea of the present application, also belongs to the protection scope of the present application.

Claims

1. A truss, characterized in that, Comprising: a top chord structure extending along a first direction; a web being wavy and extending along the first direction as a whole, the web having a plurality of top reverse bend lines distributed along the first direction in sequence, the plurality of top reverse bend lines being wrapped in the top chord structure; wherein the top reverse bend lines extend along a second direction perpendicular to the first direction and are perpendicular to edge lines of two side walls of the web along the second direction.

2. The truss of claim 1, wherein, Comprising at least one of: the top chord structure comprises a strip of concrete, and the plurality of top reverse bend lines are anchored in the strip of concrete; in the second direction, the top reverse bend lines are arranged centrally relative to the top chord structure; the web comprises a wavy strip steel.

3. The truss of claim 1, wherein, a protrusion is arranged on the web; Comprising at least one of: the web is provided with the protrusion between any adjacent top reverse bend line and bottom reverse bend line; the protrusion extends along the bottom reverse bend line of the web in a direction pointing to the top reverse bend line; the protrusion protrudes upward relative to the web.

4. The truss of claim 1, wherein, a groove is arranged at at least one of the top reverse bend lines; Comprising at least one of: in the second direction, the groove is arranged centrally relative to the top reverse bend line; an axis of the groove extends along the first direction; at least one groove is arranged corresponding to one of the top reverse bend lines; in a cross section perpendicular to the first direction, a cross sectional shape of the groove is semicircular; the truss further comprises a first longitudinal reinforcement arranged in the groove.

5. The truss of claim 1, wherein, further comprising a first longitudinal reinforcement arranged in the top chord structure; Comprising at least one of: the first longitudinal reinforcement extends along the first direction; at least one first longitudinal reinforcement is arranged in the top chord structure; the first longitudinal reinforcement is arranged spaced apart from or connected to the web, or the first longitudinal reinforcement is arranged in a through hole of the web.

6. The truss of any one of claims 1 to 5, wherein, further comprising a cladding member, the cladding member comprising a cavity with an opening downward, and the top chord structure is arranged in the cavity of the cladding member.

7. The truss of claim 6, wherein, Comprising at least one of: the cladding member comprises a channel steel or a C-shaped steel, if the cladding member is a channel steel, the cladding member clads an upper surface and side surfaces of the top chord structure, and if the cladding member is a C-shaped steel, the cladding member clads an upper surface, side surfaces and at least part of a lower surface of the top chord structure; an opening edge of the cladding member is bent inward to the cavity and embedded in the top chord structure; the opening edge of the cladding member is serrated or wavy, or a protrusion in the shape of an anchor is arranged along the opening edge of the cladding member in sequence; at least one of a top wall and two side walls of the cladding member is provided with a protrusion toward the top chord structure, and the protrusion is embedded in the top chord structure.

8. The truss of any one of claims 1 to 5, wherein, in a cross section perpendicular to the first direction, a cross sectional shape of the top chord structure is rectangular, trapezoidal, oblong, hexagonal or octagonal with long sides extending along the second direction.

9. A floor panel, characterized by Comprising: the truss according to any one of claims 1 to 8; a bottom plate connected to the web of the truss and located at the bottom reverse bend line of the web.

10. The floor according to claim 9, characterized in that the bottom plate comprises a bottom reinforcement group and a concrete plate, the bottom reinforcement group is partially arranged at the plurality of bottom reverse bend lines of the web, and the concrete plate wraps the plurality of bottom reverse bend lines and the bottom reinforcement group; wherein comprising at least one of: The concrete slab extends along a first direction; The bottom reinforcement group comprises a second longitudinal reinforcement and a plurality of transverse reinforcements, each of the plurality of transverse reinforcements is arranged on a corresponding bottom reverse bending line, and the second longitudinal reinforcement is arranged on the plurality of transverse reinforcements. The bottom reinforcement group comprises a second longitudinal reinforcement subjected to prestress.

11. A building component, characterised in that Comprise: The floor slab of claim 9 or 10.

12. The building component according to claim 11, characterized in that Comprise a staircase; The staircase comprises an inclined floor slab and at least two steps; At least two of the steps comprise a truss and a bottom reinforcement group exposed to a bottom plate of the floor slab.

13. The building component according to claim 12, characterized in that The staircase comprises: A first steel reinforcement assembly connected to the floor slab; A first concrete structure wrapping the floor slab and the first steel reinforcement assembly.

14. The building component according to claim 13, characterized in that Comprise at least one of the following: The first steel reinforcement assembly comprises a plurality of first steel reinforcements and a plurality of second steel reinforcements arranged on and connected to the truss of the floor slab, the plurality of first steel reinforcements are distributed along the length direction of the staircase and each extends along the width direction of the staircase, and the plurality of second steel reinforcements are distributed along the width direction of the staircase and each extends along the length direction of the staircase. The bottom plate of the floor slab is provided with at least two trusses, the at least two trusses of the floor slab are sequentially distributed along the width direction of the floor slab, and each extends along the length direction of the floor slab as a whole.

15. The building component of claim 11, wherein, Comprise a floor slab; The floor slab comprises the floor slab and a weight-reducing module arranged on the floor slab.

16. The building component according to claim 15, wherein Comprise at least one of the following: The floor slab comprises a plurality of weight-reducing modules, and the plurality of weight-reducing modules are arrayed on the bottom plate of the floor slab; The weight-reducing module comprises a weight-reducing block or a composite box; The bottom plate of the floor slab is provided with at least two trusses, the at least two trusses of the floor slab each extend along the length direction of the floor slab as a whole, and the plurality of weight-reducing modules and the at least two trusses of the floor slab are sequentially and alternately distributed along the width direction of the floor slab.

17. The building component of claim 11, wherein, Comprise a floor slab; use the floor slab as a bottom plate of the floor slab.

18. The building component according to claim 17, wherein, The floor slab comprises: A weight-reducing module arranged on the floor slab; A second steel reinforcement assembly arranged on the weight-reducing module and / or the floor slab; A second concrete structure wrapping the weight-reducing module, the second steel reinforcement assembly, and at least part of the floor slab.

19. The building component according to claim 18, wherein Comprise at least one of the following: The floor slab comprises a plurality of weight-reducing modules, and the plurality of weight-reducing modules are arrayed on the bottom plate of the floor slab; The second steel reinforcement assembly comprises third steel reinforcements and fourth steel reinforcements, the third steel reinforcements and the fourth steel reinforcements intersect, and the third steel reinforcements and the fourth steel reinforcements are arranged on the truss and / or the bottom plate of the floor slab.

20. The building component of claim 11, wherein, Comprise a cross beam; the cross beam comprises the floor slab; The cross beam is provided with a through hole for assembling a fastener.

21. The building component according to claim 20, wherein, The cross beam further comprises a truss structure arranged on the bottom plate of the floor slab and located on one side of the truss of the floor slab along the width direction of the cross beam.

22. A building element according to claim 20 or 21, characterised in that The bottom plate of the floor slab is provided with at least two trusses, the at least two trusses of the floor slab are sequentially distributed along the width direction of the cross beam, and each extends along the length direction of the cross beam as a whole. The truss of the floor slab is provided with at least one through hole along at least one side of the width direction of the cross beam; or the truss structure extends along the length direction of the cross beam, and the truss structure is located between two adjacent trusses of the floor slab, and at least one through hole is provided between the truss structure and the truss of the floor slab.

23. The building component according to claim 11, wherein, The composite beam comprises a floor slab; The floor slab is used as the bottom plate of the composite beam.

24. The building component according to claim 23, wherein, The composite beam comprises fifth steel bars, which comprise at least vertical segments located on both sides of the width direction of the composite beam and connected to the bottom plate of the floor slab. The fifth steel bars comprise at least one of the following: The fifth steel bars are U-shaped, and the openings are upward. The fifth steel bars further comprise first horizontal segments, the two ends of each first horizontal segment are connected to the bottom ends of the vertical segments on both sides of the truss of the floor slab, and the first horizontal segments and the bottom ends of the vertical segments are wrapped in the bottom plate of the floor slab. The number of the fifth steel bars is at least two, and the at least two fifth steel bars are distributed along the length direction of the composite beam.

25. The building component according to claim 23, wherein, The composite beam comprises sixth steel bars, which comprise at least vertical segments located on both sides of the width direction of the composite beam and connected to the bottom plate of the floor slab. The sixth steel bars comprise at least one of the following: The sixth steel bars are ring-shaped structures. The sixth steel bars further comprise second horizontal segments and third horizontal segments, the second horizontal segments and the third horizontal segments are connected to the vertical segments, the second horizontal segments are located at the bottom of the vertical segments, the third horizontal segments are located at the top of the vertical segments, and the second horizontal segments and the bottom of the vertical segments are wrapped in the bottom plate of the floor slab. The number of the sixth steel bars is at least two, and the at least two sixth steel bars are distributed along the length direction of the composite beam.

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