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 which comprises an upper chord body and a filling part, the upper chord body comprises a cavity with an upward opening, and the upper chord body is filled with the filling part; the web is in a wave shape and is provided with a plurality of upper reflexed parts which are sequentially distributed in the length direction of the upper chord body, the length direction of the upper reflexed parts is perpendicular to the length direction of the upper chord body, and the upper reflexed parts are fixedly connected with the lower portion of the upper chord body. The cost of the truss and the connecting difficulty of the upper chord body and the upper reflexed part of the web are reduced.

Description

TECHNICAL FIELD

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

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

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

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

[0005] The upper chord structure comprises an upper chord main body and a filling part, the upper chord main body comprises a cavity with an upward opening, and the filling part is filled in the upper chord main body.

[0006] The web is in a wave shape and has a plurality of upper reverse folding parts distributed along the length direction of the upper chord main body, the length direction of the upper reverse folding part is perpendicular to the length direction of the upper chord main body, and the plurality of upper reverse folding parts are respectively fixedly connected with the lower part of the upper chord main body.

[0007] Optionally, at least one of the following is included:

[0008] In a cross section perpendicular to the length direction of the upper chord main body, the cross section shape of the upper chord main body is in a C shape.

[0009] The material of the filling part comprises concrete or mortar.

[0010] The upper chord main body is welded with the web.

[0011] At least one of the bottom wall and the two side walls of the upper chord main body is provided with a protrusion towards the filling part, and the protrusion is embedded in the filling part.

[0012] Optionally, the opening edge of the upper chord main body is bent into the cavity and embedded in the filling part.

[0013] Optionally, the opening edge of the upper chord main body is in a zigzag shape or a wave shape, or a protrusion in an anchor shape is sequentially arranged along the opening edge.

[0014] Optionally, the upper chord main body comprises a bottom wall and two side walls, and the bottom wall is fixedly connected with the upper reverse folding part.

[0015] One end of the two side walls is respectively connected with the bottom wall and surrounds the cavity.

[0016] Two side walls are located on the side of the bottom wall away from the upper reverse folding part, and the edge of the other end encloses an opening;

[0017] In a cross section perpendicular to the length direction of the upper chord body, the cross-sectional shape of the side wall is polygonal or arc-shaped.

[0018] Optionally, the upper chord structure further comprises a first longitudinal reinforcement subjected to prestress, which is arranged in the upper chord body and wrapped by the filling part;

[0019] At least one of the following is included:

[0020] One to three first longitudinal reinforcements are arranged in the upper chord body;

[0021] The first longitudinal reinforcement extends along the length direction of the upper chord body.

[0022] Optionally, one of the following is included:

[0023] The web is a strip steel;

[0024] The web is a strip steel, and a groove is arranged between any adjacent upper reverse folding part and lower reverse folding part of the web, the groove extending in the direction of the lower reverse folding part pointing to the upper reverse folding part;

[0025] The web is a channel steel, and the opening of the channel steel points downward.

[0026] Optionally, at least one of the following is included:

[0027] At least one upper reverse folding part of the web is arc-shaped or angular, and the connection between the upper reverse folding part and the upper chord body is a connection line;

[0028] At least one upper reverse folding part of the web is a flat section, and the connection between the upper reverse folding part and the upper chord body is a connection surface.

[0029] In a second aspect, the embodiments of the present application provide a floor slab, comprising:

[0030] The truss as described above;

[0031] A bottom reinforcement group is arranged at the lower reverse folding part of the web of the truss;

[0032] A bottom plate is connected with the plurality of lower reverse folding parts of the web and the bottom reinforcement group, respectively.

[0033] Optionally, at least one of the following is included:

[0034] The bottom reinforcement group comprises a second longitudinal reinforcement and a plurality of transverse reinforcements, the plurality of transverse reinforcements are arranged one by one on the plurality of lower reverse folding parts, and the second longitudinal reinforcement is arranged on the plurality of transverse reinforcements;

[0035] The bottom reinforcement group comprises a second longitudinal reinforcement subjected to prestress;

[0036] The bottom plate comprises a concrete plate, and the concrete plate covers a plurality of lower reverse folding portions and a bottom rib group.

[0037] In a third aspect, the embodiments of the present application provide a building component, comprising: the floor slab as described above.

[0038] Optionally, the building component comprises a staircase.

[0039] The staircase comprises an inclined floor slab and at least two steps.

[0040] The at least two steps cover a truss and a bottom rib group exposed to the bottom plate of the floor slab.

[0041] Optionally, the staircase comprises:

[0042] A first steel bar assembly connected to the floor slab.

[0043] A first concrete structure covering the floor slab and the first steel bar assembly.

[0044] Optionally, the building component comprises at least one of the following:

[0045] The first steel bar assembly comprises a plurality of first steel bars and a plurality of second steel bars arranged on and connected to 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.

[0046] 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.

[0047] Optionally, the building component comprises a floor slab.

[0048] The floor slab comprises a floor slab and a weight-reducing module arranged on the floor slab.

[0049] Optionally, the building component comprises at least one of the following:

[0050] 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.

[0051] The weight-reducing module comprises a weight-reducing block or a composite box.

[0052] 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.

[0053] Optionally, the building component comprises a floor slab.

[0054] The floor slab is used as the bottom plate of the floor slab.

[0055] Optionally, the floor system comprises:

[0056] a weight-reducing module arranged on the floor slab;

[0057] a second reinforcing assembly arranged on the weight-reducing module and / or the floor slab;

[0058] a second concrete structure wrapping the weight-reducing module, the second reinforcing assembly and at least part of the floor slab.

[0059] Optionally, the building component comprises at least one of:

[0060] The floor system comprises a plurality of weight-reducing modules, the plurality of weight-reducing modules being arranged in an array on the bottom plate of the floor slab;

[0061] The second reinforcing assembly comprises a third reinforcing bar and a fourth reinforcing bar, the third reinforcing bar and the fourth reinforcing bar intersecting, and the third reinforcing bar and the fourth reinforcing bar being arranged on the truss and / or the bottom plate of the floor slab.

[0062] Optionally, the building component comprises a cross beam member; the cross beam member comprises a floor slab;

[0063] The cross beam member is provided with a through hole for fitting a fastener.

[0064] Optionally, the cross beam member further comprises a truss structure, the truss structure being 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 member.

[0065] Optionally, the bottom plate of the floor slab is provided with at least two trusses, the at least two trusses of the floor slab being arranged in sequence along the width direction of the cross beam member and each extending along the length direction of the cross beam member as a whole;

[0066] At least one through hole is provided on at least one side of the truss of the floor slab along the width direction of the cross beam member; or the truss structure extends along the length direction of the cross beam member as a whole, the truss structure being located between the adjacent two trusses of the floor slab, and at least one through hole being provided between the truss structure and the trusses of the floor slab.

[0067] Optionally, the building component comprises a composite beam;

[0068] The floor slab is used as the bottom plate of the composite beam.

[0069] Optionally, the composite beam comprises a fifth reinforcing bar, the fifth reinforcing bar comprising at least a vertical segment located on both sides of the truss of the floor slab along the width direction of the composite beam, and the bottom part being connected to the bottom plate of the floor slab.

[0070] The fifth reinforcing bar comprises at least one of:

[0071] The fifth reinforcing bar is in the shape of U with the opening facing upward.

[0072] The fifth steel bar further comprises a first horizontal section, two ends of the first horizontal section are connected with bottom ends of the vertical sections on two sides of the truss of the floor slab respectively, and the first horizontal section and the bottom ends of the vertical sections are wrapped in the bottom plate of the floor slab.

[0073] 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.

[0074] Optionally, the composite beam comprises a sixth steel bar, the sixth steel bar comprises at least vertical sections located on two sides of the truss of the floor slab along the width direction of the composite beam, and a bottom part connected with the bottom plate of the floor slab.

[0075] The sixth steel bar comprises at least one of the following:

[0076] The sixth steel bar is in a ring structure.

[0077] The sixth steel bar 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 sections respectively, the second horizontal section is located at the bottom part of the vertical section, the third horizontal section is located at the top part of the vertical section, and the second horizontal section and the bottom part of the vertical section are wrapped in the bottom plate of the floor slab.

[0078] 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.

[0079] The technical scheme provided by the embodiments of the present application has the following beneficial technical effects:

[0080] In the embodiments of the present application, the top chord body comprises a cavity, the cavity has an opening, the opening is arranged upward, and the filling part is filled in the cavity of the top chord body. The top chord body and the filling part serve as the top chord structure of the truss. The web plate is in a wave shape and has a plurality of upper reverse folding parts which are sequentially and spacedly distributed along the length direction of the top chord body. The web plate is fixedly connected with the lower part of the top chord body through the plurality of upper reverse folding parts, and the length direction of each upper reverse folding part is perpendicular to the length direction of the top chord body. The manufacturing and connecting difficulty between the web plate and the top chord body is reduced, and energy saving and environmental protection are achieved.

[0081] Additional aspects and advantages of the present application will be made apparent by the following description and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0082] The above and / or additional aspects and advantages of the present application will become apparent and be more readily understood through consideration of the following description, taken in conjunction with the accompanying drawings, in which:

[0083] Figure 1 A side view of one specific example of a truss provided by the embodiments of the present application;

[0084] Figure 2 A front view of a truss; Figure 1 A front view of a truss;

[0085] Figure 3 A cross-sectional structural schematic view of one specific example of an opening edge of a truss provided by an embodiment of the present application;

[0086] Figure 4 A cross-sectional structural schematic view of another specific example of an opening edge of a truss provided by an embodiment of the present application;

[0087] Figure 5 A cross-sectional structural schematic view of one specific example of a top chord body of a truss provided by an embodiment of the present application;

[0088] Figure 6 A cross-sectional structural schematic view of another specific example of a top chord body of a truss provided by an embodiment of the present application;

[0089] Figure 7 A cross-sectional structural schematic view of still another specific example of a top chord body of a truss provided by an embodiment of the present application;

[0090] Figure 8 A schematic view of one specific example of an opening edge shape of a truss provided by an embodiment of the present application;

[0091] Figure 9 A schematic view of another specific example of an opening edge shape of a truss provided by an embodiment of the present application;

[0092] Figure 10 A front view of another specific example of a truss provided by an embodiment of the present application;

[0093] Figure 11 A front view of Figure 10 A cross-sectional structural schematic view of a channel steel at A in the middle;

[0094] Figure 12 A front view of still another specific example of a truss provided by an embodiment of the present application;

[0095] Figure 13 A front view of a floor provided by an embodiment of the present application;

[0096] Figure 14 A side view of one specific example of a building component being a staircase provided by an embodiment of the present application;

[0097] Figure 15 A perspective view of one specific example of a building component being a staircase provided by an embodiment of the present application;

[0098] Figure 16 A sectional view of one specific example of a building component being a staircase provided by an embodiment of the present application;

[0099] Figure 17 A cross-sectional view of a specific example of a building component provided by an embodiment of the present application as a stair stringer;

[0100] Figure 18 A perspective view of a specific example of a building component provided by an embodiment of the present application as a floor bottom plate;

[0101] Figure 19 A top view of a specific example of a building component provided by an embodiment of the present application as a floor bottom plate;

[0102] Figure 20 A front view of a specific example of a building component provided by an embodiment of the present application as a floor bottom plate;

[0103] Figure 21 A side view of a specific example of a building component provided by an embodiment of the present application as a floor bottom plate;

[0104] Figure 22 A perspective view of a specific example of a building component provided by an embodiment of the present application as a floor;

[0105] Figure 23 A front view of a specific example of a building component provided by an embodiment of the present application as a floor;

[0106] Figure 24 A side view of a specific example of a building component provided by an embodiment of the present application as a floor;

[0107] Figure 25 A perspective view of a specific example of a building component provided by an embodiment of the present application as a cross beam;

[0108] Figure 26 A top view of a specific example of a building component provided by an embodiment of the present application as a cross beam;

[0109] Figure 27 A front view of a specific example of a building component provided by an embodiment of the present application as a cross beam;

[0110] Figure 28 A side view of a specific example of a building component provided by an embodiment of the present application as a cross beam;

[0111] Figure 29 A perspective view of another specific example of a building component provided by an embodiment of the present application as a cross beam;

[0112] Figure 30 A top view of another specific example of a building component provided by an embodiment of the present application as a cross beam;

[0113] Figure 31 Another specific example of the building component provided by the embodiment of the present application is a cross beam, and a front view thereof is shown in FIG. 6A;

[0114] Figure 32 Another specific example of the building component provided by the embodiment of the present application is a cross beam, and a side view thereof is shown in FIG. 6B;

[0115] Figure 33 A perspective view of one specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 7A;

[0116] Figure 34 A top view of one specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 7B;

[0117] Figure 35 A front view of one specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 7C;

[0118] Figure 36 A side view of one specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 7D;

[0119] Figure 37 A sectional view of one specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 7E;

[0120] Figure 38 A perspective view of another specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 8A;

[0121] Figure 39 A top view of another specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 8B;

[0122] Figure 40 A front view of another specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 8C;

[0123] Figure 41 A side view of another specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 8D;

[0124] Figure 42 A sectional view of another specific example of the building component provided by the embodiment of the present application is a composite beam, and is shown in FIG. 8E.

[0125] Reference Signs:

[0126] 1-upper chord body; 2-filler; 3-web; 4-opening edge; 5-opening edge shape; 6-first longitudinal rib; 7-groove; 8-straight section; 9-slotted steel; 10-bottom plate; 11-lower reverse folding part; 12-upper reverse folding part; 13-second longitudinal rib; 14-cross rib; 15-bottom wall; 16-side wall; 20-truss; 30-bottom rib group;

[0127] 100-floor;

[0128] 200-stair;

[0129] 210-stair step; 211-step; 220-end beam or platform;

[0130] 230-first steel bar assembly; 231-first steel bar; 232-second steel bar;

[0131] 240-first concrete structure;

[0132] 251-seventh steel bar; 252-eighth steel bar;

[0133] 300-floor; 300'-floor bottom plate;

[0134] 310-weight reduction module; 320-second concrete structure;

[0135] 400-cross beam;

[0136] 410-through hole; 420-truss structure; 421-web rib; 422-upper chord rib;

[0137] 500-composite beam;

[0138] 520-fifth steel bar; 530-sixth steel bar. DETAILED DESCRIPTION

[0139] Embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood that the embodiments described below with reference to the accompanying drawings are exemplary descriptions of the technical solutions of the embodiments of the present application, and do not limit the technical solutions of the embodiments of the present application.

[0140] Those skilled in the art can understand that, unless specifically stated, "said" and "the" used herein can also include plural forms. 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".

[0141] 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 with reference to the drawings.

[0142] The truss, floor and building component provided by the present application aims to solve the above technical problems of the related art.

[0143] The technical solutions of the present application and how the technical solutions solve the above technical problems will be described in detail below with specific embodiments. It should be noted 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 repeatedly described.

[0144] The present application provides a truss, a structural schematic diagram of which is shown in Figure 1 and Figure 2 , comprising: a top chord structure and a web plate 3.

[0145] The top chord structure comprises a top chord main body 1 and a filling part 2, the top chord main body 1 comprises a cavity with an upward opening, and the filling part 2 is filled in the cavity of the top chord main body 1; the web plate 3 is wavy, and has a plurality of upper reverse folding parts 12 which are sequentially distributed along the length direction of the top chord main body 1 (such as the left-right direction in Figure 2 , the length direction of the upper reverse folding part 12 (such as the left-right direction in Figure 1 and the direction perpendicular to the paper surface in Figure 2 is perpendicular to the length direction of the top chord main body 1, and the plurality of upper reverse folding parts 12 are respectively fixedly connected with the lower part of the top chord main body 1.

[0146] In the present application, the top chord main body 1 comprises a cavity, the cavity has an opening, the opening is arranged upward, the filling part 2 is filled in the cavity of the top chord main body 1, and the top chord main body 1 and the filling part 2 serve as the top chord structure of the truss; the web plate 3 is wavy, and has a plurality of upper reverse folding parts 12 which are sequentially and spacedly distributed along the length direction of the top chord main body 1, the web plate 3 is fixedly connected with the lower part of the top chord main body 1 through the plurality of upper reverse folding parts 12, and the length direction of each upper reverse folding part 12 is perpendicular to the length direction of the top chord main body 1, thereby reducing the manufacturing and connecting difficulty between the web plate 3 and the top chord main body 1, and achieving energy saving and environmental protection.

[0147] Optionally, as shown in Figure 1 , Figures 3 to 7 , in the present application, the cross-sectional shape of the top chord main body 1 is C-shaped on the cross section perpendicular to the length direction of the top chord main body 1.

[0148] Optionally, in the present application, the top chord main body 1 adopts C-shaped steel.

[0149] Optionally, in the present application, the material of the filling part 2 comprises concrete or mortar.

[0150] Optionally, in the embodiment of the present application, the upper chord body 1 is welded with the web 3.

[0151] In the embodiment of the present application, the upper reverse folding part 12 of the web 3 is perpendicular to the length direction of the upper chord body 1 and is welded as a whole, the connection part of the upper reverse folding part 12 and the upper chord body 1 serves as a welding connection line or welding connection surface, which reduces the difficulty of manufacturing and welding and is energy saving and environment friendly.

[0152] Optionally, in the embodiment of the present application, at least one of the bottom wall and the two side walls of the upper chord body 1 is provided with a protrusion (not shown in the figure) toward the filling part 2, which is embedded in the filling part 2, so as to increase the connecting effect between the upper chord body 1 and the filling part 2 and improve the integrity and strength of the upper chord structure.

[0153] Optionally, in the embodiment of the present application, according to the actual requirements of the connecting effect between the upper chord body 1 and the filling part 2, the protrusion can be arranged on the side of the bottom wall of the upper chord body 1 toward the filling part 2 (i.e. the inner bottom wall of the cavity of the upper chord body 1), or on any one side wall of the upper chord body 1 (i.e. any one side wall of the cavity of the upper chord body 1) or both side walls of the upper chord body 1 (i.e. both side walls of the cavity of the upper chord body 1).

[0154] Optionally, in the embodiment of the present application, the protrusion arranged on the side of the upper chord body 1 toward the filling part 2 can be formed by dotting or punching, or can be arranged as a strip-shaped protrusion.

[0155] Optionally, in the embodiment of the present application, the web 3 is a strip steel.

[0156] In the embodiment of the present application, the upper chord body 1 is a thin-walled C-shaped steel with an upward opening, the C-shaped steel filled with concrete or mortar (the concrete or mortar filled therein serves as the filling part 2) serves as a truss upper chord structure, and the lower part of the C-shaped steel is welded with a wave-shaped strip steel serving as the web 3, so as to form an upper opening steel pipe concrete upper chord, wave-shaped strip steel web truss without lower chord.

[0157] Optionally, as shown in Figure 3 and Figure 4 , in the embodiment of the present application, the opening edge 4 of the upper chord body 1 is folded inwardly into the cavity and embedded in the filling part 2.

[0158] In the embodiment, the opening edge 4 of the upward opening C-shaped steel (i.e. the upper chord body 1) can be bent into the cavity of the C-shaped steel, so that after the filling part 2 is formed by filling concrete or mortar in the cavity of the C-shaped steel, the opening edge 4 is embedded into the filling part 2 to a certain depth, thereby improving the integrity of the connection between the C-shaped steel and the filling part 2, and improving the strength and stability of the overall upper chord structure.

[0159] Alternatively, as shown in Figure 8 , in the embodiment, the opening edge shape 5 of the upper chord body 1 is sawtooth-shaped or wavy. In this way, the contact area between the opening edge 4 and the filling part 2 can be increased, the upper chord body 1 and the filling part 2 can be connected as a whole, and the overall integrity and stability of the connection between the upper chord body 1 and the filling part 2 can be further improved.

[0160] Of course, as shown in Figure 9 , in other optional embodiments of the present application, according to actual needs, a protrusion in the shape of an anchor can be sequentially arranged along the opening edge 4 of the upper chord body 1, and the opening edge shape 5 is similar to the shape of an anchor. The space between two adjacent anchor-shaped protrusions is adapted to the shape of the anchor-shaped protrusion. When the filling part 2 is formed by filling concrete or mortar in the upper chord body 1, the concrete or mortar will fill the space, so that the opening edge 4 is embedded in the filling part 2, and the contact area between the opening edge 4 and the filling part 2 is increased.

[0161] Alternatively, as shown in Figures 5 to 7 , in the embodiment, the upper chord body 1 includes a bottom wall 15 and two side walls 16. The bottom wall 15 is fixedly connected with the upper reverse folding part 12. One end of each of the two side walls 16 is connected with the bottom wall 15 and surrounds a cavity. The two side walls 16 are located on the side of the bottom wall 15 away from the upper reverse folding part 12, and the edges of the other ends thereof surround an opening.

[0162] In the embodiment, the bottom wall 15 and the two side walls 16 are connected to form the C-shaped upper chord body 1. The bottom wall 15 and the side walls 16 surround the cavity of the upper chord body 1. The edges of the one ends of the two side walls 16 away from the bottom wall 15 serve as the opening edge 4 and surround the opening of the cavity of the upper chord body 1. The upper reverse folding part 12 of the web 3 is welded to the bottom wall 15 and is located on the side of the bottom wall 15 away from the side walls 16. The length direction of the upper reverse folding part 12 is perpendicular to the length direction of the bottom wall 15.

[0163] Alternatively, as shown in Figures 5 to 7 , in the embodiment, in the cross section perpendicular to the length direction of the upper chord body 1, the cross section shape of the side wall 16 is polygonal (as shown in Figure 5 and Figure 6 ) or arc-shaped (as shown in Figure 7 ). The two side walls 16 and the bottom wall 15 are connected to form the C-shaped upper chord body 1.

[0164] Alternatively, as shown inFigure 1 As shown in the drawings, in the embodiment of the present application, the upper chord structure further comprises a first longitudinal reinforcement 6 with prestress, which is arranged in the upper chord body 1 and wrapped by the filling part 2. The prestressed reinforcement can reduce the reverse arch of the upper chord structure and resist the negative bending moment.

[0165] Optionally, as shown in the drawings, Figure 1 in the embodiment of the present application, 1 to 3 first longitudinal reinforcements 6 are arranged in the upper chord body 1.

[0166] In the embodiment of the present application, 1 to 3 first longitudinal reinforcements 6 can be arranged in the C-shaped steel (i.e. the upper chord body 1), and prestress is applied.

[0167] Optionally, in the embodiment of the present application, the first longitudinal reinforcement 6 is a steel bar or a steel strand with prestress.

[0168] Optionally, in the embodiment of the present application, the first longitudinal reinforcement 6 extends along the length direction of the upper chord body 1. The first longitudinal reinforcement 6 is parallel to the upper chord body 1 and perpendicular to the upper reverse folding part 12.

[0169] Optionally, as shown in the drawings, Figure 2 in the embodiment of the present application, the web 3 further has a plurality of lower reverse folding parts 11 which are sequentially and spacedly distributed along the length direction of the upper chord body 1 (e.g. the left-right direction in the drawings), and the plurality of lower reverse folding parts 11 and the plurality of upper reverse folding parts 12 are sequentially and staggeredly distributed. Figure 2

[0170] Optionally, as shown in the drawings, Figure 1 and Figure 2 in another embodiment of the present application, the web 3 is a strip steel, and a groove 7 is arranged between any adjacent upper reverse folding part 12 and lower reverse folding part 11 of the web 3, and the groove 7 extends along the direction in which the lower reverse folding part 11 points to the upper reverse folding part 12.

[0171] In the embodiment of the present application, the strip-shaped groove 7 can be punched on the wave-shaped strip steel web 3 to increase the stability of the web 3.

[0172] Optionally, as shown in the drawings, Figure 10 and Figure 11 in still another embodiment of the present application, the web 3 is a channel steel 9, and the opening of the channel steel 9 faces downward.

[0173] In the embodiment of the present application, the wave-shaped strip steel can be replaced by a wave-shaped channel steel 9 as the web 3. The use of the wave-shaped channel steel 9 as the web 3 makes the web 3 stronger and less likely to lose stability.

[0174] Optionally, as shown in the drawings, Figure 2 , Figure 10 and Figure 13 in the embodiment of the present application, at least one upper reverse folding part 12 of the web 3 is arc-shaped or angular, and the connection between the upper reverse folding part 12 and the upper chord body 1 is a connection line.​

[0175] Of course, as Figure 12 indicated, in other optional embodiments of the present application, at least one upper reverse fold 12 of the web plate 3 can be a flat section 8, and the connection between the upper reverse fold 12 and the upper chord body 1 is a connection surface. In the embodiment of the present application, the upper reverse fold 12 of the corrugated steel web plate 3 can have a flat section 8, and the increase in the number of welds can increase the reliable connection with the C-shaped steel (i.e., the upper chord body 1) and reduce the amount of web steel.

[0176] Optionally, as Figure 2 , Figure 10 and Figure 13 indicated, in the embodiment of the present application, at least one lower reverse fold 11 of the web plate 3 is arc-shaped or angular.

[0177] In the embodiment of the present application, the upper reverse fold 12 and the lower reverse fold 11 of the web plate 3 can be arc-shaped or angular, and the upper reverse fold 12 of the web plate 3 can also be a flat section 8, which can be flexibly selected as needed.

[0178] The truss provided by the embodiment of the present application can be applied to a floor, such as a composite floor or a floor support plate.

[0179] Based on the same inventive concept, the embodiment of the present application provides a floor, a structural schematic diagram of which is as shown in Figure 13 The floor comprises the truss, the bottom rib group, and the bottom plate 10 as described above.

[0180] The bottom rib group is partially arranged at the lower reverse fold 11 of the web plate 3 of the truss; and the bottom plate 10 is connected with the plurality of lower reverse folds 11 of the web plate 3 and the bottom rib group.

[0181] In the embodiment of the present application, the bottom rib group is partially arranged at the lower reverse fold 11 of the web plate 3 of the truss, and the plurality of lower reverse folds 11 of the web plate 3 and the bottom rib group are connected together through the bottom plate 10, so that the truss, the bottom rib group, and the bottom plate 10 are reliably connected to form the floor and jointly bear stress.

[0182] It should be noted that since the floor of the embodiment of the present application comprises the truss of the embodiment of the present application, the floor 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 here.

[0183] Optionally, in the embodiment of the present application, the floor is a composite floor. Of course, in other embodiments, the floor can also be a floor support plate.

[0184] Optionally, as Figure 13 indicated, in the embodiment of the present application, the bottom rib group comprises a second longitudinal rib 13 and a plurality of transverse ribs 14, the plurality of transverse ribs 14 are arranged one by one on the plurality of lower reverse folds 11, and the second longitudinal rib 13 is arranged on the plurality of transverse ribs 14.

[0185] Optionally, as shown in the embodiment of the present application, the bottom plate 10 comprises a concrete plate, and the concrete plate wraps the plurality of lower reverse folded portions 11 and the bottom rib group. Specifically, the concrete plate wraps the plurality of lower reverse folded portions 11, the plurality of horizontal ribs 14 and the second longitudinal rib 13 of the web plate 3. Figure 13

[0186] In the embodiment of the present application, the plurality of horizontal ribs 14 correspond to the plurality of lower reverse folded portions 11 one by one, the horizontal rib is placed on the plurality of lower reverse folded portions 11 of the web plate 3 as the horizontal rib 14, the longitudinal rib is placed on the horizontal rib 14 as the second longitudinal rib 13, and the plurality of lower reverse folded portions 11, the plurality of horizontal ribs 14 and the second longitudinal rib 13 of the web plate 3 are bound tightly, the concrete is poured as the bottom plate 10, and the truss composite slab is formed.

[0187] The web plate 3 and the horizontal rib 14 and the second longitudinal rib 13 in the concrete plate form a reliable spatial relationship, increase the effective force transmission and anchoring of each steel bar, and especially when hoisting, the upper chord structure can be directly used as a lifting point, and the problem that the web plate 3 is pulled out of the concrete plate will not occur.

[0188] Optionally, in the embodiment of the present application, the second longitudinal rib 13 is prestressed.

[0189] In the embodiment of the present application, the second longitudinal rib 13 is tensioned to form a prestressed force, and the concrete is poured to form a prestressed concrete composite slab, thereby reducing concrete cracks, saving materials, and saving energy and protecting the environment.

[0190] In the embodiment of the present application, the manufacturing process of the truss and the floor slab is as follows:

[0191] The strip-shaped groove 7 is punched out from the coiled strip steel by a cold bending forming machine, and then the strip steel web plate 3 is continuously and reversely bent into a wave-shaped strip steel web plate 3 by a bending machine, and the upper reverse folded portion 12 of the strip steel web plate 3 is welded to the bottom of the thin-walled C-shaped steel (i.e. the upper chord main body 1) with the opening upward. Thus, the truss without the lower chord is manufactured.

[0192] Then, the horizontal rib 14 is placed above the lower reverse folded portion 11 of the manufactured truss web plate 3, the second longitudinal rib 13 is placed on the upper part of the horizontal rib 14, the concrete is poured and cured to reach the strength requirement to form the bottom plate 10, and after the mold is removed, the composite slab is formed.

[0193] Optionally, in the embodiment of the present application, the concrete in the cavity of the C-shaped steel (i.e. the upper chord main body 1) can be poured as the filling portion 2 at the same time when the concrete of the bottom plate 10 is poured.

[0194] Optionally, in the embodiment of the present application, the prestressed rib is placed in the C-shaped steel as the first longitudinal rib 6, and is tensioned at the same time as the second longitudinal rib 13, and then the concrete is poured and cured to reach the strength requirement, so that the prestressed truss composite slab can be manufactured. And the upper and lower chords are prestressed, which can avoid the arching of the composite slab and can resist the negative bending moment.

[0195] ​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.

[0196] Optionally, as shown in Figures 14 to 42 the embodiment of the present application, the building component comprises at least one of a staircase 200, a floor 300, a floor bottom plate 300', a cross beam 400 and a composite beam 500.

[0197] In some optional embodiments of the present application, as shown in Figures 14 to 17 the building component comprises the staircase 200.

[0198] Optionally, as shown in Figures 14 to 16 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.

[0199] Optionally, as shown in Figures 14 to 16 the embodiment of the present application, the floor slab 100 is used as the bottom plate of the ladder section 210.

[0200] Optionally, as shown in Figures 14 to 16 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 30 exposed on the bottom plate 10 of the floor slab 100.

[0201] Optionally, as shown in Figures 14 to 16 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 wraps the floor slab 100 and the first steel bar assembly 230.

[0202] 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.

[0203] Optionally, as shown in Figure 16 and Figure 17 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.

[0204] Optionally, as shown in Figure 16 and Figure 17As 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.

[0205] Optionally, as shown in FIG. 1, the first steel bars 231 are arranged on the trusses 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 trusses 20 of the floor 100. Figure 17 As shown, in the embodiment of the present application, the first steel bars 231 are respectively bent towards one side of the trusses 20 of the floor 100 at both ends of the width direction of the stair 200.

[0206] Optionally, as shown in FIG. 1, the first steel bars 231 are arranged on the trusses 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 trusses 20 of the floor 100. Figure 17

[0207] Optionally, in the embodiment of the present application, the first steel bars 231 can be installed on the trusses 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.

[0208] Optionally, as shown in FIG. 1, the first steel bars 231 are arranged on the trusses 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 trusses 20 of the floor 100. Figure 14 Figure 16 As shown, in the embodiment of the present application, the trusses 20 of the floor 100 extend along the length direction of the step 210 as a whole.

[0209] Optionally, as shown in FIG. 1, the first steel bars 231 are arranged on the trusses 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 trusses 20 of the floor 100. Figure 15 Figure 17 As shown, in the embodiment of the present application, the floor 100 includes at least two trusses 20 arranged on the bottom plate 10 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.

[0210] Optionally, in the embodiment of the present application, the second steel bars 232 extend with the trusses 20 or the bottom plate 10. 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 trusses 20.

[0211] Optionally, as shown in FIG. 1, the stair 200 further includes end beams or platforms 220. Figures 14 to 16

[0212] Optionally, as shown in FIG. 1, in the embodiment of the present application, the relatively higher 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 relatively lower end (hereinafter referred to as the low end) is connected with another end beam or platform 220. Figures 14 to 16

[0213] ​​​​​Optionally, two ends of at least one of the second steel bars 232, the truss 20, the floor 10 and the bottom bar group 30 in the length direction of the stair 200 can be fixed to the end beam or platform 220 by binding, lapping or anchoring.

[0214] Optionally, as shown in the embodiment of the present application, the stair 200 further comprises a seventh steel bar 251 and an eighth steel bar 252. One end of the seventh steel bar 251 is connected with at least one of the floor 100 (such as the truss 20) and the second steel bar 232, and the seventh steel bar 251 extends in the horizontal direction as a whole. One end of the eighth steel bar 252 is connected with at least one of the floor 100 (such as the bottom bar group 30), the second steel bar 232 and the seventh steel bar 251, and the eighth steel bar 252 extends in the vertical direction as a whole. The seventh steel bar 251 and the eighth steel bar 252 are wrapped in the first concrete structure 240 at the end beam or platform 220. Figure 16

[0215] Optionally, in the embodiment of the present application, the seventh steel bar 251 can be directly connected with the floor 100 (such as the truss 20) by binding, lapping or anchoring, or the seventh steel bar 251 can be bound or lapped with the first steel bar assembly 230 (such as the second steel bar 232) so that the seventh steel bar 251 is connected with the floor 100 through the first steel bar assembly 230 (such as the second steel bar 232).

[0216] Optionally, in the embodiment of the present application, the eighth steel bar 252 can be directly connected with the floor 100 (such as the truss 20) by binding, lapping or anchoring, or the eighth steel bar 252 can be bound or lapped with the first steel bar assembly 230 (such as the second steel bar 232) or the seventh steel bar 251 so that the eighth steel bar 252 is connected with the floor 100 through the first steel bar assembly 230 (such as the second steel bar 232) or the seventh steel bar 251.

[0217] In the embodiment of the present application, the first steel bar assembly 230 extends in the length direction of the step 210 as a whole and is fixedly installed on the floor 100. The seventh steel bar 251 extends in the horizontal direction as a whole and is fixedly connected with one end of the floor 100 or the first steel bar assembly 230. The eighth steel bar 252 extends in the vertical direction as a whole and is fixedly connected with one end of the floor 100, the seventh steel bar 251 or the first steel bar assembly 230.

[0218] ​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.

[0219] 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.

[0220] Optionally, the corresponding reinforcing bars are placed before pouring.

[0221] 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.

[0222] In another optional embodiment of the present application, as shown in Figures 18 to 21 , the building component comprises a floor bottom plate 300'; the floor bottom plate 300' comprises a floor 100 and a weight reduction module 310 arranged on the floor 100.

[0223] Optionally, as shown in Figures 18 to 21 , in the embodiment of the present application, the floor bottom plate 300' comprises a plurality of weight reduction modules 310, and the plurality of weight reduction modules 310 are arrayed on the floor 10 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.

[0224] 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.

[0225] Optionally, in the embodiment of the present application, the weight reduction module 310 comprises but is not limited to a weight reduction block or a composite box. Optionally, as shown in Figures 18 to 21 , 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.

[0226] Optionally, as shown in Figure 18 , Figure 19 , and Figure 21As shown, in the embodiment of the present application, the floor 100 comprises at least two trusses 20, and the at least two trusses 20 are arranged on the bottom plate 10 of the floor 100, and each of the at least two trusses 20 of the floor 100 extends 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.

[0227] In some optional embodiments of the present application, as shown in Figures 22 to 24 The building component comprises a floor 300.

[0228] Optionally, as shown in Figures 22 to 24 In the embodiment of the present application, the floor 100 is used as the bottom plate of the floor 300.

[0229] Optionally, in the embodiment of the present application, the floor 300 comprises a weight-reducing module 310, a second reinforcing steel assembly (not shown in the figure) and a second concrete structure 320.

[0230] It should be noted that in the embodiment of the present application, the arrangement of the weight-reducing module 310 of the floor 300 and the floor 100 is the same as or similar to the arrangement 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 of the weight-reducing module 310 of the floor bottom plate 300' and the floor 100 in the present application. Figures 18 to 21 The arrangement 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.

[0231] Optionally, as shown in Figures 18 to 24 In the embodiment of the present application, the weight-reducing module 310 is arranged on the floor 100. The second reinforcing steel assembly 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 and at least part of the floor 100.

[0232] 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 and the second concrete structure 320.

[0233] 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.

[0234] Optionally, in the embodiments of the present application, the second reinforcing bar assembly comprises a third reinforcing bar and a fourth reinforcing bar, and 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 20 and / or the bottom plate 10 of the floor 100.

[0235] In the embodiments of the present application, the third reinforcing bar and the fourth reinforcing bar intersect and are connected together, which can improve the load bearing capacity and stability of the second reinforcing bar assembly, thereby improving the load bearing capacity of the overall structure of the floor system 300.

[0236] Optionally, in the embodiments of the present application, the third reinforcing bar and the fourth reinforcing bar are arranged perpendicularly. The number of the third reinforcing bar and the fourth reinforcing bar is multiple respectively. The multiple third reinforcing bars are distributed along the first direction and each extends along the second direction. The multiple fourth reinforcing bars are distributed along the second direction and each extends along the first direction.

[0237] Optionally, the first direction and the second direction are parallel to the horizontal plane. The first direction and the second direction are perpendicular.

[0238] Optionally, the third reinforcing bar and the fourth reinforcing bar, the third reinforcing bar and the weight-reducing module 310 or the floor 100, and the fourth reinforcing bar and the weight-reducing module 310 and the floor 100 can be connected together by binding.

[0239] Optionally, in the embodiments of the present application, the weight-reducing block or the composite box is arranged on the floor 100, the upper reinforcing bar is bound, and the concrete is poured to form the hollow floor system 300.

[0240] In some other optional embodiments of the present application, as shown in Figures 25 to 32 , the building component comprises a cross beam member 400. The cross beam member 400 comprises a floor 100.

[0241] Optionally, as shown in Figure 25 and Figure 26 , in the embodiments of the present application (first embodiment), the cross beam member 400 is provided with a through hole 410, and the through hole 410 is used to assemble a fastener. The cross beam member 400 is connected with other components or devices through the fastener.

[0242] Optionally, as shown in Figure 25 and Figure 26 , in the embodiments 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 member 400. Such arrangement can improve the stability and reliability of the connection.

[0243] Optionally, as shown in Figure 25 and Figure 26As shown in the embodiment of the present application, the floor 100 can be used as the cross beam member 400, and the hole is arranged at the corresponding position of the cross beam member 400 as the through hole 410. Alternatively, the fastener includes but is not limited to the nail, and the through hole 410 is used to pass through the nail to connect the cross beam member 400 with other components or devices.

[0244] Alternatively, as shown in the embodiment of the present application, Figures 29 to 32 As shown in the embodiment (the second embodiment) of the present application, the cross beam member 400 further includes the truss structure 420, which is arranged on the bottom plate 10 of the floor 100 and located at one side of the truss 20 of the floor 100 along the width direction of the cross beam member 400. The cross beam member 400 generates the negative bending moment, which can increase the resistance of the truss structure 420 to the negative bending moment.

[0245] Alternatively, in the embodiment of the present application, the truss structure 420 can adopt the conventional or ordinary truss in the art. Of course, in other alternative embodiments, the truss structure 420 can also adopt the truss 20 provided in the embodiment of the present application according to actual needs.

[0246] Alternatively, as shown in the embodiment of the present application, Figures 29 to 32 As shown in the embodiment of the present application, the truss structure 420 includes the web 421 and the top chord rib 422, the bottom of the web 421 is connected with the bottom plate 10 of the floor 100, and the top chord rib 422 is arranged at the top of the web 421.

[0247] Alternatively, as shown in the embodiment of the present application, Figures 29 to 31 As shown 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 10 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 member 400 are respectively provided with the web 421.

[0248] Alternatively, the web 421 is made of steel bars. Alternatively, the top chord rib 422 is made of steel bars.

[0249] Alternatively, 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 member 400. The top chord rib 422 is provided with one or more anti-negative bending moment steel bars according to the load.

[0250] Alternatively, as shown in the embodiment of the present application, Figure 29 , Figure 30 and Figure 32 As shown in the embodiment of the present application, the floor 100 includes at least two trusses 20, the at least two trusses 20 of the floor 100 are sequentially distributed along the width direction of the cross beam member 400, and each of the at least two trusses 20 extends along the length direction of the cross beam member 400.

[0251] Alternatively, as shown in the embodiment of the present application, Figure 29 and Figure 30As shown in the embodiment of this application, the truss structure 420 extends along the length of the span beam 400, and the truss structure 420 is located between the trusses 20 of two adjacent floor slabs 100. This arrangement can improve the resistance to negative bending moments.

[0252] Optionally, such as Figure 29 and Figure 30 As shown in the embodiment of this application, at least one through hole 410 is provided 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.

[0253] In some alternative embodiments of this application, such as Figures 33 to 42 As shown, the building components include composite beam 500. Floor slab 100 is used as the base plate of composite beam 500.

[0254] Optionally, such as Figure 33 and Figure 38 As shown in the embodiment of this application, the second longitudinal reinforcement 13 of the bottom reinforcement group 30 extends along the overall length direction of the composite beam 500.

[0255] Optionally, such as Figures 33 to 37 As shown in the embodiment of this application (first specific example), the composite beam 500 includes a fifth reinforcing bar 520. The fifth reinforcing bar 520 includes at least vertical sections on both sides of the truss 20 located on the floor slab 100 along the width direction of the composite beam 500, and its bottom is connected to the bottom plate 10 of the floor slab 100.

[0256] Optionally, such as Figure 33 , Figure 36 and Figure 37 As shown in the embodiment of this application, the fifth reinforcing bar 520 is U-shaped with its opening facing upwards.

[0257] Optionally, such as Figure 33 , Figure 36 and Figure 37 As shown in the embodiment of this application, the fifth reinforcing bar 520 is a rectangle with an open top and not closed. The opening of the fifth reinforcing bar 520 faces the side of the bottom plate 10 away from the floor slab 100.

[0258] Optionally, such as Figure 37 As shown in the embodiment of this application, the fifth reinforcing bar 520 also includes a first horizontal segment. The two ends of the first horizontal segment are respectively connected to the bottom ends of the vertical segments on both sides of the truss 20 of the floor slab 100. The bottom ends of the first horizontal segment and the vertical segments are wrapped inside the bottom plate 10 of the floor slab 100.

[0259] Optionally, such as Figure 33 , Figure 36 and Figure 37As shown in the figure, in the embodiment of the present application, the top ends of the vertical segments on both sides of the truss 20 of the floor slab 100 are close to each other and are bent downward.

[0260] Optionally, as shown in the figure, Figures 33 to 35 As shown in the figure, 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. Such arrangement can improve the structural strength and stability of the composite beam 500.

[0261] Optionally, as shown in the figure, Figures 38 to 42 As shown in the figure, 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 segments 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 10 of the floor slab 100.

[0262] Optionally, as shown in the figure, Figure 38 , Figure 41 and Figure 42 As shown in the figure, in the embodiment of the present application, the sixth steel bar 530 is a ring structure.

[0263] Optionally, as shown in the figure, Figure 38 , Figure 41 and Figure 42 As shown in the figure, in the embodiment of the present application, the sixth steel bar 530 is a closed rectangle.

[0264] Optionally, as shown in the figure, Figure 38 , Figure 41 and Figure 42 As shown in the figure, in the embodiment of the present application, the sixth steel bar 530 further comprises a second horizontal segment and a third horizontal segment, the second horizontal segment and the third horizontal segment are connected with the vertical segments respectively, 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 10 of the floor slab 100.

[0265] In the embodiment of the present application, the two ends of the second horizontal segment are connected with the bottom ends of the vertical segments on both sides of the truss 20 of the floor slab 100 respectively, and the two ends of the third horizontal segment are connected with the top ends of the vertical segments on both sides of the truss 20 of the floor slab 100 respectively.

[0266] Optionally, as shown in the figure, Figures 38 to 40 As shown in the figure, 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. Such arrangement can improve the structural strength and stability of the composite beam 500.

[0267] 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 a beam.

[0268] It should be noted that since the building component of the embodiment of the application comprises the floor slab of the embodiment of the application, the building component of the embodiment of the application also has the above beneficial effects of the floor slab of the embodiment of the application, which will not be described again here.

[0269] The embodiment of the application can at least achieve the following beneficial effects:

[0270] In the embodiment of the application, the upper chord body comprises a cavity, the cavity has an opening, the opening is arranged upward, and the filling part is filled in the cavity of the upper chord body. The upper chord body and the filling part serve as the upper chord structure of the truss. The web is wavy and has a plurality of upper reverse folding parts which are sequentially and spaced distributed along the length direction of the upper chord body. The web is fixedly connected together with the lower part of the upper chord body through the plurality of upper reverse folding parts, and the length direction of each upper reverse folding part is perpendicular to the length direction of the upper chord body. The manufacturing and connecting difficulty between the web and the upper chord body is reduced, and energy saving and environmental protection are achieved.

[0271] 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 referred to must have a particular orientation, or be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0272] The terms "first", "second", "third", etc. are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0273] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between the two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0274] In the description of the present application, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0275] The above merely describes some embodiments of the present application, and it should be noted that, for those skilled in the art, other similar implementation manners based on the technical concept of the present application can be adopted without departing from the technical concept of the present application, and these also belong to the protection scope of the embodiments of the present application.

Claims

1. A truss, characterized in that, Comprising: a top chord structure, comprising a top chord body and a filling part, the top chord body comprising a cavity with an upward opening, the filling part being filled in the top chord body; a web being wavy, having a plurality of upper reverse folds arranged in sequence along the length direction of the top chord body, the length direction of the upper reverse folds being perpendicular to the length direction of the top chord body, and the plurality of upper reverse folds being respectively fixed to the lower part of the top chord body.

2. The truss of claim 1, wherein, Comprising at least one of: in the cross section perpendicular to the length direction of the top chord body, the cross section shape of the top chord body is C-shaped; the material of the filling part comprises concrete or mortar; the top chord body is welded with the web; at least one of the bottom wall and the two side walls of the top chord body is provided with a protrusion towards the filling part, the protrusion being embedded in the filling part.

3. The truss of claim 1, wherein, the opening edge of the top chord body is bent towards the cavity and embedded in the filling part.

4. The truss of claim 1, wherein, the opening edge of the top chord body is zigzag or wavy, or is provided with protrusions in the shape of anchors along the opening edge.

5. The truss of claim 2, wherein, the top chord body comprises a bottom wall and two side walls, the bottom wall being fixed to the upper reverse folds; one end of the two side walls is respectively connected to the bottom wall and encloses the cavity; the two side walls are located on the side of the bottom wall away from the upper reverse folds, and the other end of the edge encloses the opening; in the cross section perpendicular to the length direction of the top chord body, the cross section shape of the side wall is polygonal or arc-shaped.

6. The truss of claim 1, wherein, the top chord structure further comprises a first longitudinal reinforcement applied with prestress, the first longitudinal reinforcement being arranged in the top chord body and wrapped by the filling part; Comprising at least one of: 1-3 first longitudinal reinforcements are arranged in the top chord body; the first longitudinal reinforcement extends along the length direction of the top chord body.

7. The truss of any one of claims 1 to 6, wherein, Comprising one of: the web is a strip steel; the web is a strip steel, and a groove is arranged between any adjacent upper reverse fold and lower reverse fold of the web, the groove extending along the direction of the lower reverse fold pointing to the upper reverse fold; the web is a channel steel, and the opening of the channel steel is downward.

8. The truss of any one of claims 1 to 6, wherein, Comprising at least one of: at least one upper reverse fold of the web is arc-shaped or angular, and the connection between the upper reverse fold and the top chord body is a connection line; at least one upper reverse fold of the web is a flat section, and the connection between the upper reverse fold and the top chord body is a connection surface.

9. A floor panel, characterized by Comprising: the truss of any one of claims 1-8; a bottom reinforcement group arranged at the lower reverse folds of the web of the truss; a bottom plate connected to the plurality of lower reverse folds of the web and the bottom reinforcement group.

10. The floor according to claim 9, characterized in that Comprising at least one of: the bottom reinforcement group comprises a second longitudinal reinforcement and a plurality of transverse reinforcements, the plurality of transverse reinforcements being arranged one by one on the plurality of lower reverse folds, and the second longitudinal reinforcement being arranged on the plurality of transverse reinforcements; the bottom reinforcement group comprises a second longitudinal reinforcement applied with prestress; the bottom plate comprises a concrete plate wrapping the plurality of lower reverse folds and the bottom reinforcement group.

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

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

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

14. The building component according to claim 13, wherein At least one of the following is included: The first steel bar assembly includes a plurality of first steel bars and a plurality of second steel bars arranged on and connected to the trusses 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. The floor slab is provided with at least two trusses on the bottom plate, 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, The floor slab includes a floor bottom plate; The floor bottom plate includes the floor slab and a weight-reducing module arranged on the floor slab.

16. The building component according to claim 15, wherein At least one of the following is included: The floor bottom plate includes 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 includes a weight-reducing block or a composite box; The floor slab is provided with at least two trusses on the bottom plate, the at least two trusses of the floor slab each extend along the length direction of the floor bottom plate 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 bottom plate.

17. The building component of claim 11, wherein, The floor bottom plate includes a floor bottom plate; The floor bottom plate is used as the bottom plate of the floor.

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

19. The building component according to claim 18, wherein, At least one of the following is included: The floor includes 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 bar assembly includes third steel bars and fourth steel bars, the third steel bars and the fourth steel bars intersect, and the third steel bars and the fourth steel bars are arranged on the trusses and / or the bottom plate of the floor slab.

20. The building component of claim 11, wherein, The floor includes a cross beam, and the cross beam includes 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 includes a truss structure arranged on the bottom plate of the floor slab and located on one side of the trusses of the floor slab along the width direction of the cross beam.

22. A building element according to claim 20 or 21, c h a r a c t e r i s e d in that The floor slab is provided with at least two trusses on the bottom plate, 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 trusses of the floor slab are provided with at least one through hole on at least one side along the width direction of the cross beam; or the truss structure extends along the length direction of the cross beam as a whole, the truss structure is located between the adjacent two trusses of the floor slab, and at least one through hole is provided between the truss structure and the trusses of the floor slab.

23. The building component of claim 11, wherein, The floor includes a composite beam; 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 includes fifth steel bars, the fifth steel bars at least include vertical segments located on both sides of the trusses of the floor slab along the width direction of the composite beam, and the bottom portions are connected to the bottom plate of the floor slab; The fifth steel bars include at least one of the following: The fifth steel bars are in U shape with the opening facing upward. The fifth steel bar further comprises a first horizontal section, two ends of the first horizontal section are connected with bottom ends of vertical sections on both sides of the truss of the floor slab respectively, and the first horizontal section and the bottom ends of the vertical sections 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 a sixth steel bar, the sixth steel bar comprises at least vertical sections on both sides of the truss of the floor slab along the width direction of the composite beam, and the bottom is connected with the bottom plate of the floor slab; The sixth steel bar comprises at least one of the following: The sixth steel bar is in a ring structure; The sixth steel bar 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 sections 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 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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