Building top plate, concrete module and building structure

Abstract

The utility model relates to a building top plate, a concrete module and a building structure, and the building top plate comprises at least one rectangular concrete base plate and a plurality of ribs; the multiple ribs are arranged above the concrete base plate at intervals, and the ribs extend in the span direction of the concrete base plate; the multiple ribs are connected with the concrete base plate in a pouring mode. The building top plate is used in a concrete modular building. The connecting structure has the beneficial effects that a building top plate with a relatively large span can be used as a whole to be connected with a concrete module, so that the overall mechanical property of the concrete module is effectively ensured; meanwhile, the arrangement of temporary supports on the building roof in a construction site is reduced, and the construction efficiency is improved. The concrete base plate and the ribs of the building top plate can be produced in a pouring mode, and factory batch production can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to prefabricated building technical field especially relates to a building roof, concrete module and building structure. BACKGROUND

[0002] Concrete modular building is through the module unit of integrated building, structure, water supply and drainage, electromechanical and interior decoration made in factory, moves a large number of work from construction site into factory, improves construction efficiency, shortens construction period, green low carbon.

[0003] The roof of concrete module unit is mostly concrete composite board, but the composite board of present stage has following problems: the roof of concrete module unit is mostly concrete truss reinforced composite board, when span exceeds 3.5m, different degrees of sagging easily occurs in demoulding, transfer and storage process, influences its use, and the composite board for large span on market is assembled by multiple boards, cannot form integral stress with module, influences the overall mechanical property of structure. UTILITY MODEL CONTENT

[0004] (I) technical problem to be solved

[0005] In view of the above-mentioned shortcomings, deficiencies of prior art, the utility model provides a building roof, concrete module and building structure, which solves the technical problems that the long-span roof of existing concrete module is prone to sagging and affects its use, and the long-span roof of assembled type is difficult to form integral stress with module.

[0006] (II) technical scheme

[0007] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the utility model includes:

[0008] Firstly, the utility model embodiment provides a building roof, which comprises at least one rectangular concrete base plate and a plurality of rib strips, the plurality of rib strips are arranged above the concrete base plate at intervals, and the rib strips extend along the span direction of the concrete base plate, the plurality of rib strips are connected with the concrete base plate by pouring, and the building roof is used in concrete modular building.

[0009] Optionally, the rib strip comprises a rib strip main body extending along the span direction of the concrete base plate, at least one first rib rib and a plurality of connecting steels, the rib strip main body is formed by pouring concrete, the first rib rib extends along the span direction of the concrete base plate, the plurality of connecting steels are lapped on the first rib rib at intervals, and the two free ends of the connecting steel extend out of the rib strip main body, the second rib rib is arranged in the concrete base plate, and the two free ends of the connecting steel are bound to the second rib rib of the concrete base plate.

[0010] Optionally, the building roof slab, the cross section of the rib body is a trapezoid with the top larger than the bottom.

[0011] Optionally, the building roof slab, the connecting steel bars are selected from one or more of the following: a U-shaped steel bar, a web steel bar, and a stirrup.

[0012] Optionally, the building roof slab, the two ends of the rib are aligned with the edges of the concrete base plate; at least one end of the rib body is provided with at least one through hole; the axis of the through hole is at an angle of 30-90° with the span direction of the concrete base plate, for passing through building pipelines; the area of the rib body above the through hole is thickened.

[0013] Optionally, the building roof slab, the two ends of the rib are kept at a preset distance from the edges of the concrete base plate adjacent to the rib; the area above the concrete base plate between the end of the rib and the edge of the concrete base plate adjacent to the rib is used for passing through building pipelines.

[0014] Optionally, the building roof slab further comprises a concrete formwork perpendicular to the concrete base plate; the concrete formwork is arranged on the side of the concrete base plate away from the rib along the circumferential direction of the concrete base plate; or a plurality of the concrete base plates are horizontally arranged in parallel along a direction perpendicular to the span direction of the concrete base plate, and are connected to form a combined plate body; the concrete formwork is arranged on the side of the concrete base plate away from the rib along the circumferential direction of the combined plate body; and the concrete formwork is connected to the concrete base plate.

[0015] In a second aspect, the utility model provides a concrete module comprising the building roof slab of the first aspect, comprising a module partition wall arranged vertically, the module partition wall being arranged below the building roof slab along the circumferential direction of the building roof slab.

[0016] The concrete formwork abuts the upper end of the module partition wall, the module partition wall has a beam pouring space above, the outer side of the concrete formwork faces the beam pouring space, and the building roof slab is connected to the module partition wall through a concrete beam poured in the beam pouring space.

[0017] In a third aspect, the utility model provides a building structure comprising the concrete module of the second aspect, comprising at least one building layer composed of a plurality of the concrete modules arranged in parallel; the concrete formworks on adjacent concrete modules surround the beam pouring space; the building roof slab is further provided with a cast-in-place layer above, the beam pouring space is in communication with the cast-in-place layer, and the concrete beam and the cast-in-place layer integrally poured and formed connect adjacent concrete modules to form the building layer.

[0018] (III) Beneficial Effects

[0019] The beneficial effects of the utility model are: the utility model discloses a building roof, concrete module and building structure, wherein the building roof in the concrete modular building is provided with a plurality of rib strips at intervals above the concrete base plate, and the rib strips extend along the span direction of the concrete base plate, compared with the prior art, the setting of the rib strips can effectively improve the rigidity of the building roof, greatly reduce the sagging of the building roof during stripping, transferring and storing, for the building roof with a relatively large relative span, the building roof can be connected with the concrete module as a whole, effectively guaranteeing the overall mechanical properties of the concrete module, meanwhile, the setting of the temporary support of the building roof on the construction site is reduced, and the construction efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a top view schematic view of the concrete module of the embodiment of the utility model's building roof, concrete module and building structure;

[0021] Figure 2 It is a sectional view schematic view of the concrete module in the embodiment of the utility model's building roof, concrete module and building structure; Figure 1

[0022] Figure 3 It is a partial sectional view schematic view of the concrete module in the embodiment of the utility model's building roof, concrete module and building structure; Figure 1

[0023] Figure 4 It is a structural schematic view of the rib strip in the embodiment of the utility model's building roof, concrete module and building structure; Figure 2

[0024] Figure 5 It is another structural schematic view of the rib strip in the embodiment of the utility model's building roof, concrete module and building structure; Figure 2

[0025] Figure 6 It is another structural schematic view of the rib strip in the embodiment of the utility model's building roof, concrete module and building structure; Figure 2

[0026] Figure 7 It is a top view schematic view of the building structure of the embodiment of the utility model's building roof, concrete module and building structure;

[0027] Figure 8 Figure 7 It is a sectional view schematic view of the building structure in the embodiment of the utility model's building roof, concrete module and building structure;

[0028] Figure 9 Figure 7 It is a sectional view schematic view of the building structure in the embodiment of the utility model's building roof, concrete module and building structure;

[0029] Figure 10 ​​​​​A schematic view of distribution of building pipelines on a building roof;

[0030] Figure 11 Another schematic view of distribution of building pipelines on a building roof.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 1: concrete module; 11: concrete base plate; 111: second rib; 12: rib; 121: rib body; 122: through hole; 123: first rib; 124: connecting steel bar; 13: concrete formwork; 14: module partition wall; 15: beam pouring space; 16: cast-in-place layer; 17: formwork connecting area; 18: combined plate body; 19: base plate connecting area; 2: building roof; 3: building pipeline. DETAILED DESCRIPTION

[0033] The building roof, the concrete module and the building structure provided by the embodiment of the utility model aim at the technical problems that the long-span roof of the existing concrete module is prone to sagging, which affects its use, and that the long-span roof of the assembled type is difficult to form an integral force with the module; because a plurality of ribs are arranged at intervals above the concrete base plate and extend along the span direction of the concrete base plate, compared with the prior art, the arrangement of the ribs can effectively improve the rigidity of the building roof and greatly reduce the sagging of the building roof in the processes of demolding, transfer and storage; for the building roof with a relatively large relative span, the building roof can be connected as a whole with the concrete module, so that the overall mechanical properties of the concrete module are effectively ensured; meanwhile, the arrangement of the temporary support of the building roof on the construction site is reduced, and the construction efficiency is improved. The concrete base plate and the ribs of the building roof can be produced by pouring, which is beneficial to realize factory batch production.

[0034] In order to better understand the above technical solutions, the exemplary embodiments of the utility model will be described in more detail below with reference to the drawings. Although the exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a clearer and more thorough understanding of the utility model and to enable the scope of the utility model to be completely conveyed to those skilled in the art.

[0035] Embodiment 1:

[0036] Reference Figure 1 and Figure 2The embodiment provides a building roof plate, which comprises at least one rectangular concrete base plate 11 and a plurality of ribs 12, the plurality of ribs 12 are arranged above the concrete base plate 11 in a spaced manner, and the ribs 12 extend along the span direction of the concrete base plate 11, wherein the span direction of the concrete base plate 11 refers to the length or width direction consistent with the extending direction of the main beam during the erection of the building roof plate. The plurality of ribs 12 are connected with the concrete base plate 11 by pouring, and the building roof plate is used in a concrete modular building.

[0037] It should be noted that the building roof plate can also be a combined plate body 18 formed by pouring a plurality of concrete base plates 11 in a horizontal and parallel manner along the span direction of the concrete base plate 11, and a plurality of ribs 12 are arranged on each rectangular concrete base plate 11, and the size of the building roof plate is determined according to the size of the top of the concrete module and the combination of the concrete base plates 11.

[0038] The plurality of ribs 12 are arranged above the concrete base plate 11 in a spaced manner, and the ribs 12 extend along the span direction of the concrete base plate 11, the arrangement of the ribs 12 can effectively improve the rigidity of the building roof plate, greatly reduce the deflection of the building roof plate during demolding, transportation and storage, and effectively ensure the overall mechanical properties of the concrete module when the building roof plate is connected with the concrete module as a whole for the building roof plate with a relatively large relative span. Meanwhile, the arrangement of the building roof plate reduces the layout of the temporary support of the building roof plate on the construction site, and improves the construction efficiency. The concrete base plate and the ribs 12 of the building roof plate can be produced by pouring, which is beneficial to realize the factory batch production.

[0039] With reference to Figure 1 and Figure 2 The embodiment provides a building roof plate, the rib 12 comprises a rib body 121 extending along the span direction of the concrete base plate 11, at least one first rib 123 and a plurality of connecting steel bars 124 embedded in the concrete base plate 11, the number of the first ribs 123 is determined according to the overall mechanical properties of the rib 12, for example, the number of the first ribs 123 can be increased when higher mechanical properties are required, and the plurality of first ribs 123 are distributed in the rib body 121 in a spaced manner. The rib body 121 is formed by pouring concrete.

[0040] The concrete base plate 11 is internally provided with the second ribs 111 arranged in a staggered manner, the plurality of connecting steel bars 124 are arranged on the first ribs 123 in a spaced manner, and the two free ends of the connecting steel bars 124 extend out of the rib body 121 to be connected with the second ribs 111 of the concrete base plate 11. In this way, the rib 12 is connected with the concrete base plate 11 through the plurality of connecting steel bars 124 in the extending direction of the rib 12, the rib 12 and the base plate are connected together as a whole, the integrity of the rib 12 and the base plate is improved, and the rib 12 can better support the base plate as a whole,

[0041] With reference toFigure 1 And Figure 2 The embodiment provides a building roof, the cross section of the rib body 121 is a trapezoid which is large at the top and small at the bottom, so that the building roof is connected with the concrete of the cast-in-place layer 16 poured after the building roof, and the anti-pulling property is improved; meanwhile, the trapezoidal cross section of the rib body 121 has higher bearing capacity than the rectangular cross section of the rib 12, and the overall rigidity of the building roof is improved.

[0042] Referring to Figure 4 , Figure 5 And Figure 6 The embodiment provides a building roof, the connecting steel bars 124 are selected in the sequence of truss steel bar web, stirrup and U-shaped steel bar; the above forms can be used in a single mode or a combination of two or more modes on one rib 12, as long as the distribution rule of the connecting steel bars 124 is met. When the connecting steel bars 124 are selected as truss steel bar webs, the first rib 123 acts as the top chord of the truss steel bar, and the second rib 111 acts as the bottom chord of the truss steel bar.

[0043] Referring to Figure 3 And Figure 10 The embodiment provides a building roof, the two ends of the rib 12 are aligned with the edges of the concrete base plate 11, that is, the length of the rib 12 is equal to the span size of the concrete base plate 11. At least one end of the rib body 121 is horizontally provided with at least one through hole 122, and the through hole 122 is used for penetrating the building pipeline 3. Here, the building pipeline 3 mainly refers to the pipeline related to electromechanical, and other pipelines can also be penetrated. It should be noted that the through hole 122 is arranged at the end of the rib body 121, so as to minimize the weakening of the mechanical properties of the rib 12 caused by the through hole 122. Of course, the two ends of the rib body 121 can also be provided with the through hole 122 according to needs. The number of the through hole 122 can also be increased or decreased according to needs. The axial direction of the through hole 122 is at an angle of 30-90° with the span direction of the concrete base plate 11, and in most cases, the angle is 90°, but the direction of the through hole 122 can also be adjusted according to needs. The area of the rib body 121 above the through hole 122 is thickened, for example, referring to Figure 3 An arc-shaped thickening section can be arranged, so as to compensate for the weakening of the mechanical properties of the rib 12 caused by the through hole 122.

[0044] Referring to Figure 1 And Figure 2The embodiment provides a building roof, and further comprises a concrete formwork 13 which is perpendicular to the concrete slab 11 and is arranged on the side of the concrete slab 11 away from the rib 12 along the periphery of the concrete slab 11. Alternatively, a plurality of concrete slabs 11 are horizontally arranged in parallel along the direction perpendicular to the span direction of the concrete slab 11 and are connected to form a combined slab body 18, and the concrete formwork 13 is arranged on the side of the concrete slab 11 away from the rib 12 along the periphery of the combined slab body 18. The concrete formwork 13 is connected to the concrete slab 11 by pouring, and it should be noted that the pouring connection between the concrete formwork 13 and the concrete slab 11 is realized through the formwork connecting area 17 reserved around the concrete slab 11, and the arrangement mode of the rib in the pouring connection can refer to the prior art, which will not be described in detail here. The material of the concrete formwork 13 is a concrete slab body, which is pre-poured and formed before being connected to the concrete slab 11, and the inside can be arranged according to the type as required.

[0045] In addition, a plurality of concrete slabs 11 are arranged in parallel to form a combined slab body 18, adjacent concrete slabs 11 are connected by pouring through a slab connecting area 19, and the second rib 111 extending outward from the periphery of the adjacent concrete slabs 11 is bound in the slab connecting area 19.

[0046] Embodiment 2

[0047] With reference to Figure 11 The embodiment provides a building roof, and the two ends of the rib 12 are kept at a preset distance from the edges of the adjacent concrete slab 11, that is, the rib 12 is shortened, the minimum value of the preset distance is 300 mm, and the maximum value cannot exceed 30% of the span size of the concrete slab 11, so that the support strength of the rib 12 to the concrete slab 11 can be ensured. The region between the end of the rib 12 and the edge of the adjacent concrete slab 11 above the concrete slab 11 is used for penetrating the building pipeline 3, that is, the region in the preset distance is used for penetrating the building pipeline 3. It should be noted that the rib 12 is shortened, but the two ends of the plurality of ribs 12 are aligned with each other, so that the support strength can be ensured to the greatest extent.

[0048] Embodiment 3

[0049] The embodiment provides a production method of the building roof in embodiment 1, and the method comprises the following steps.

[0050] The concrete slab 11 mold is horizontally placed, and the rib 12 is suspended above the concrete slab 11 mold, and the suspension height of the rib 12 relative to the bottom of the concrete slab 11 mold is equal to the thickness of the pre-poured and formed concrete slab 11. The concrete slab 11 mold is poured with concrete, so that the rib 12 is connected to the poured and formed concrete slab 11 during the pouring process, and the building roof is obtained by demolding.

[0051] More specifically, the process of making the rib 12 is as follows: horizontally place the long slot-shaped rib body 121 mold, which is in a mirror image relationship with the rib 12 on the concrete base plate 11, and place a plurality of connecting steel bars 124 along the length direction of the rib body 121 mold at intervals, and then place the first rib bar 123 along the length direction of the rib body 121 mold on the connecting steel bars 124. At this time, the upper part of the connecting steel bar 124 protrudes out of the rib body 121 mold. Pour concrete into the rib body 121 mold, and demold to obtain the rib 12.

[0052] The process of making the building roof is as follows: horizontally place the concrete base plate 11 mold, and place the second rib bar 111 in the concrete base plate 11 mold at intervals. Then, horizontally suspend the rib 12 made by the above process on the connecting steel bars 124 to the second rib bar 111 through the connecting steel bars 124. Pour concrete into the concrete base plate 11 mold, and demold to obtain the building roof.

[0053] Embodiment 4:

[0054] With reference to Figure 1 and Figure 2 , the embodiment provides a concrete module 1 comprising the building roof 2 in embodiment 1, comprising a module partition wall 14 arranged vertically, which is arranged below the building roof along the circumferential direction of the building roof. The concrete formwork 13 abuts against the upper end of the module partition wall 14, and the upper part of the module partition wall 14 has a beam pouring space 15, and the outer side of the concrete formwork 13 faces the beam pouring space 15. The building roof and the module partition wall 14 are connected by the concrete beam poured in the beam pouring space 15, and the building roof and the module partition wall 14 are connected by the cast-in-place beam, which improves the integrity of the connection between the building roof and the concrete module, and finally, the mechanical properties of the whole concrete module are better.

[0055] Embodiment 5:

[0056] With reference to Figure 7 , Figure 8 and Figure 9 , the embodiment provides a building structure comprising the concrete module in embodiment 3, comprising at least one building layer composed of a plurality of concrete modules arranged side by side. The adjacent concrete formworks 13 of adjacent concrete modules enclose a beam pouring space 15. The upper part of the building roof is further provided with a cast-in-place layer 16, the beam pouring space 15 and the cast-in-place layer 16 are in communication, and the adjacent concrete modules are connected into a building layer through the integrally poured and formed concrete beam and the cast-in-place layer 16.

[0057] It should be noted that the concrete modules in the building layer can be arranged in a matrix, and when the building layer is multi-layered, the building layers are stacked upward in sequence to form a whole building, and the cast-in-place layer 16 also plays a connecting role between adjacent building layers.

[0058] In the description of the utility model, it is necessary to understand that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0059] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0060] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature, can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature, can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is lower than that of the second feature.

[0061] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.

[0062] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can modify, modify, replace and change the above embodiments within the scope of the utility model.

Claims

1. A building deck, characterized in that It includes at least one rectangular concrete base plate (11) and multiple ribs (12); A plurality of the ribs (12) are spaced apart above the concrete substrate (11), and the ribs (12) extend along the span direction of the concrete substrate (11); The plurality of the ribs (12) are cast and connected to the concrete substrate (11); The building's roof slab is used in modular concrete buildings.

2. The building roof according to claim 1, wherein The rib (12) includes a rib body (121) extending along the span direction of the concrete substrate (11) and at least one first rib (123) and a plurality of connecting ribs (124) embedded in the concrete substrate (11). The rib body (121) is formed by concrete casting; The first rib (123) extends along the span direction of the concrete substrate (11), and a plurality of connecting steel bars (124) overlap the first rib (123) at intervals, and the two free ends of the connecting steel bars (124) extend out of the rib body (121); The concrete substrate (11) is provided with staggered second ribs (111); The two free ends of the connecting steel bar (124) are tied to the second rib (111) of the concrete substrate (11).

3. The building roof according to claim 2, wherein The cross-section of the rib body (121) is a trapezoid with a larger top and a smaller bottom.

4. The building roof according to claim 2, wherein The connecting steel bars (124) are selected from one or more of the following: Z-shaped steel bars, truss steel bar web members, and stirrups.

5. The building roof according to claim 2, wherein The two ends of the rib (12) are aligned with the edge of the concrete substrate (11); At least one end of the rib body (121) is provided with at least one through hole (122) horizontally; The axial direction of the through hole (122) is at an angle of 30-90° to the span direction of the concrete substrate (11), and is used to install building pipelines (3); The area of ​​the rib body (121) above the through hole (122) is thickened.

6. The building roof according to claim 2, wherein The two ends of the rib (12) maintain a predetermined distance from the edge of the adjacent concrete substrate (11); The area between the end of the rib (12) above the concrete substrate (11) and the edge of the adjacent concrete substrate (11) is used for the installation of building pipelines (3).

7. The building roof according to claim 1, wherein It also includes a concrete formwork (13) perpendicular to the concrete substrate (11); The concrete formwork (13) is disposed circumferentially along one of the concrete base plates (11) on the side of the concrete base plate (11) away from the rib (12); Alternatively, multiple concrete substrates (11) are horizontally cast and connected in parallel along a direction perpendicular to the span of the concrete substrates (11) to form a composite plate (18), and the concrete mold shell (13) is arranged along the circumference of the composite plate (18) on the side of the concrete substrate (11) away from the rib (12). The concrete formwork (13) is cast and connected to the concrete substrate (11).

8. A concrete module comprising the building deck of claim 7, characterized in that, Includes a vertically arranged modular partition wall (14), which is arranged circumferentially below the building roof slab; The concrete formwork (13) abuts against the upper end of the module partition wall (14), the upper portion of the module partition wall (14) has a beam pouring space (15), the outer side of the concrete formwork (13) faces the beam pouring space (15), and the building roof (2) is connected with the module partition wall (14) through the concrete beam poured in the beam pouring space (15).

9. A building structure comprising the concrete modules of claim 8, characterized in that, At least one building layer is composed of a plurality of the concrete modules (1) arranged side by side; The concrete formworks (13) of adjacent concrete modules (1) surround the beam pouring space (15); The upper portion of the building roof is further provided with a cast-in-place layer (16), the beam pouring space (15) communicates with the cast-in-place layer (16), and the adjacent concrete modules (1) are connected into the building layer through the concrete beam and the cast-in-place layer (16) integrally poured and formed.

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