Floor integrated structure module and construction method thereof

Abstract

The invention relates to the technical field of nuclear engineering building structure design, and discloses a floor integrated structure module and a construction method thereof. The reinforcing mesh structure comprises horizontal bars and tie bars, one ends of the tie bars are connected with the bottom plate structure, and the other ends of the tie bars are connected with the horizontal bars; the detachable truss structure comprises detachable truss units and truss connecting assemblies, and the truss connecting assemblies are suitable for connecting every two adjacent detachable truss units; the detachable truss unit comprises an upper chord component and a web component, the upper chord component is arranged on the side, away from the bottom plate structure, of the reinforcing mesh structure, one end of the web component in the first direction is connected with the upper chord component, and the other end of the web component is detachably connected with the first bottom plate and / or the second bottom plate. According to the floor integrated structure module, the construction problem of areas such as large-span floors, limited-space floors and scaffolding-supporting-difficult floors is solved, formwork-free and scaffolding-free supporting is achieved, and the construction efficiency and safety are improved.

Description

Technical Field

[0001] The invention relates to the technical field of nuclear engineering building structure design, and in particular to a floor slab integrated structure module and a construction method thereof. Background Art

[0002] The floor slabs of nuclear engineering plants generally adopt the traditional full-height scaffolding construction method. However, the main problems of this method are that scaffolding cannot be erected in confined spaces, formwork support is difficult, personnel access is difficult, and the artificial environment is poor. In addition, there are also problems such as on-site steel bar tying, large workload of scaffolding erection and dismantling, low construction efficiency, and high safety risks in confined environments or high-altitude operations. Summary of the invention

[0003] In view of this, the present invention provides a floor slab integrated structural module and a construction method thereof to solve the problems of the existing nuclear engineering floor slab construction method, such as difficulty in setting up scaffolding and formwork in confined spaces, and low construction efficiency and safety.

[0004] In a first aspect, the present invention provides a floor slab integrated structural module, comprising:

[0005] The bottom plate structure comprises a first bottom plate and a second bottom plate, wherein the first bottom plate is arranged between every two adjacent second bottom plates, and the first bottom plate is suitable for being spliced ​​with the second bottom plates;

[0006] The steel mesh structure comprises horizontal bars and tension bars, wherein the horizontal bars are arranged on one side of the bottom plate structure along the first direction, and one end of the tension bars in the first direction is suitable for being connected to the bottom plate structure, and the other end is suitable for being connected to the horizontal bars;

[0007] The detachable truss structure is arranged on a side of the bottom plate structure close to the steel mesh structure along the first direction; the detachable truss structure includes a detachable truss unit and a truss connection assembly, and the truss connection assembly is suitable for connecting two adjacent detachable truss units; the detachable truss unit includes an upper chord member and a web member, the upper chord member is arranged on a side of the steel mesh structure away from the bottom plate structure along the first direction, one end of the web member in the first direction is connected to the upper chord member, and the other end is detachably connected to the first bottom plate and / or the second bottom plate.

[0008] Beneficial effects: The floor integrated structure module provided by the present invention mainly includes a base plate structure, a steel mesh structure and a detachable truss structure, the steel mesh structure includes horizontal bars and tension bars, and the two ends of the tension bars in the first direction are respectively connected to the horizontal bars and the base plate structure, thereby realizing the integration of the base plate structure and the steel mesh structure, the detachable truss structure includes a detachable truss unit and a truss connection assembly, the truss connection assembly and two adjacent detachable truss units can be detachably connected by, for example, bolts and / or screws, the detachable truss unit includes an upper chord member and a web member connected to the upper chord member, and the end of the web member away from the upper chord member along the first direction can be detachably connected to the first base plate and / or the second base plate by, for example, bolts and / or screws, thereby integrating the base plate structure, the steel mesh structure and the detachable truss structure into a detachable truss-based structure. The floor slab integrated structural module is convenient for the installation and removal of the detachable truss structure. During the concrete pouring process, the bottom plate structure can be used as the bottom formwork for concrete pouring, and the bottom plate structure can serve as the lower layer of steel bars. The bottom plate structure, the steel mesh structure and the detachable truss structure can jointly bear the load during the concrete pouring process to ensure the overall performance and quality of the concrete structure, while achieving formwork-free and scaffolding-free support, greatly reducing the workload and / or labor input of on-site steel bar binding, solving the construction problems in areas such as large-span slabs, confined space slabs, and slabs that are difficult to support with scaffolding, and improving construction efficiency and safety. After the construction is completed, the detachable truss structure can be removed from the bottom plate structure to achieve the reuse of the detachable truss structure, thereby improving construction efficiency and reducing project costs.

[0009] In an optional embodiment, the first bottom plate is provided with step portions on both sides of the third direction, and the step portions are suitable for overlapping with the second bottom plate;

[0010] The floor slab integrated structure module further includes a first fastener, which is suitable for detachably connecting the step portion and the second base plate; first bolt holes are provided on the step portion and on both sides of the second base plate in the third direction, and the first fastener is suitable for installing in the first bolt hole;

[0011] The first bottom plate and the second bottom plate are spliced ​​along the third direction to form a bottom plate unit, and a plurality of bottom plate units are spliced ​​along the second direction to form a bottom plate structure.

[0012] Beneficial effect: By arranging step portions on both sides of the third direction of the first base plate and connecting the step portions to the second base plate through the first fastener, the difficulty of assembling the first base plate and the second base plate is reduced, which is conducive to improving construction efficiency.

[0013] In an optional embodiment, the bottom plate structure further includes a bottom plate connecting member, which is disposed between two adjacent bottom plate units, and the bottom plate connecting member is suitable for being detachably connected to the two adjacent bottom plate units;

[0014] The floor integrated structure module also includes a second fastener, which is suitable for detachably connecting the base plate connector and the base plate unit; second bolt holes are provided on the base plate connector and on both sides of the first base plate and the second base plate in the second direction, and the second bolt holes are suitable for installing the second fastener.

[0015] Beneficial effects: The bottom plate structure can be arranged along the span direction of the floor slab, and the difficulty of assembling the bottom plate structure can be reduced, which is conducive to improving construction efficiency; the bottom plate structure can be used as the bottom formwork for concrete pouring, and at the same time, the bottom plate structure can act as the lower layer of steel bars, thereby bearing the load during the concrete pouring process, ensuring the overall performance and quality of the concrete structure, and realizing formwork-free and scaffolding-free support, greatly reducing the workload and / or labor input of on-site steel bar tying.

[0016] In an optional embodiment, the bottom plate structure further includes a sleeve, which is fixedly disposed on one side of the first bottom plate and / or the second bottom plate along the first direction toward the detachable truss structure;

[0017] One end of the tension bar along the first direction is threadedly connected to the sleeve, and the other end is tied and fixed to the horizontal bar.

[0018] Beneficial effects: The sleeve can not only quickly connect with the tie bars, but also quickly and accurately position the tie bars and the entire steel mesh structure. The bottom plate structure is used as the bottom formwork for concrete pouring and acts as the lower layer of steel bars, reducing the arrangement of steel bars, saving labor input, and improving on-site construction efficiency. During the concrete pouring process, the bottom plate structure is cast together with the tie bars and horizontal bars, which is conducive to ensuring the overall performance and quality of the concrete structure.

[0019] In an optional embodiment, the belly member includes a support portion and a first connecting portion and a second connecting portion at both ends thereof in a first direction;

[0020] The detachable truss unit further includes a third fastener, which is suitable for detachably connecting the first connection portion to the upper chord member; a third bolt hole is provided on both the upper chord member and the first connection portion, and the third fastener is suitable for installing the third bolt hole;

[0021] The detachable truss unit also includes a fourth fastener, which is suitable for detachably connecting the second connecting part to the first base plate and / or the second base plate; the second connecting part and the first base plate and / or the second base plate are both provided with a fourth bolt hole, and the fourth bolt hole is suitable for installing the fourth fastener.

[0022] Beneficial effects: The first connection portion is detachably connected to the upper chord member through the third fastener, so as to facilitate the disassembly and assembly of the upper chord member and the web member, thereby facilitating the prefabrication of the detachable truss unit; the second connection portion is detachably connected to the first bottom plate and / or the second bottom plate through the fourth fastener, so as to facilitate the disassembly and assembly of the detachable truss structure and the bottom plate structure, thereby improving construction efficiency and realizing the reuse of the detachable truss structure, which is conducive to reducing the project cost.

[0023] In an optional embodiment, the truss connection assembly includes a first truss connection member, which is arranged between two adjacent upper chord members, and the first truss connection member is detachably connected to the two adjacent upper chord members; the detachable truss structure also includes a fifth fastener, which is suitable for detachably connecting the first truss connection member to the upper chord member; fifth bolt holes are provided on the first truss connection member and on both sides of the upper chord member in the second direction, and the fifth bolt holes are suitable for installing the fifth fasteners.

[0024] Beneficial effects: The detachable truss structure can be arranged along the span direction of the floor slab, and the detachable truss structure can bear the load of the concrete, which is beneficial to ensuring the overall performance and quality of the concrete structure. After the pouring is completed and the concrete hardens to the preset conditions, the first truss connector can be removed, which is convenient for further dismantling of the detachable truss structure, realizing modular manufacturing and reuse, which is beneficial to reducing the project cost.

[0025] In an optional embodiment, the truss connection assembly also includes a second truss connection member, which is arranged between two adjacent web members, and the second truss connection member is detachably connected to the two adjacent web members; the detachable truss structure also includes a sixth fastener, which is suitable for detachably connecting the second truss connection member to the support portion; the second truss connection member and the support portion are both provided with a sixth bolt hole, and the sixth bolt hole is suitable for installing the sixth fastener.

[0026] Beneficial effect: By setting the bottom plate connector, the first truss connector and the second truss connector, the bottom plate structure and the detachable truss structure are assembled to form detachable truss structure units with different standard modules, and then the standard units are further spliced ​​into the required length of the entire floor slab, so that the detachable truss structure module forms an integral force-bearing structure and bears the load of concrete, which is beneficial to ensuring the overall performance and quality of the concrete structure, and at the same time is beneficial to improving construction efficiency.

[0027] In an optional embodiment, every two adjacent detachable truss structures are spaced apart along the third direction on the bottom plate structure and together with the bottom plate structure form a first pouring space, and the first pouring space is suitable for pouring and forming a first concrete layer;

[0028] Two adjacent first concrete layers are spaced apart along the third direction and together with the bottom plate structure form a second pouring space, and the second pouring space is suitable for pouring and forming a second concrete layer.

[0029] Beneficial effects: After the floor slab integrated structure module is hoisted to the construction site and installed, the bottom plate structure can be used as the bottom formwork for concrete pouring. At the same time, the bottom plate structure can act as the lower layer of steel bars. The first concrete layer is first poured between each two adjacent detachable truss structures. After the first concrete layer reaches the design strength, the detachable truss structure can be dismantled to achieve the reuse of the detachable truss structure. Then, the second concrete layer is poured between each two adjacent first concrete layers to form a nuclear engineering floor structure.

[0030] In a second aspect, the present invention further provides a construction method of the above-mentioned floor slab integrated structural module, comprising:

[0031] Prefabricate the base plate structure, steel mesh structure and detachable truss structure respectively;

[0032] Connect the reinforcement bars of the steel mesh structure to the sleeves of the base plate structure;

[0033] Installing a detachable truss structure on the base plate structure, assembling and integrating the base plate structure, the steel mesh structure and the detachable truss structure into a floor slab integrated structure module based on the detachable truss structure;

[0034] Lift the overall structural module onto the preset brackets at the construction site;

[0035] The first concrete layer is formed by pouring on site. After the concrete reaches the designed strength, the detachable truss structure is removed and then the second concrete layer is poured.

[0036] Beneficial effects: The construction method of the floor slab integrated structure module provided by the present invention, the prefabrication of the base plate structure, the steel mesh structure and the detachable truss structure, the connection of the steel mesh structure and the base plate structure, and the assembly and integration of the base plate structure, the steel mesh structure and the detachable truss structure can all be completed in the factory, thereby reducing the amount of labor input on site; the base plate structure can be used as a bottom template for concrete pouring, and at the same time the base plate structure can act as the lower layer of steel bars, which can not only reduce the arrangement of steel bars, save on-site labor input, and improve on-site construction efficiency, but also achieve formwork-free and scaffolding-free support, while ensuring the overall performance and quality of the concrete structure, solving the floor slab construction problem of nuclear engineering plant buildings, and is conducive to accelerating the industrialization process of floor slab construction of nuclear engineering plant buildings, especially for construction problems in areas such as large-span floors, confined space floors, and floors that are difficult to support with scaffolding, through modular manufacturing of detachable truss structures, reuse is achieved, thereby reducing engineering costs.

[0037] In an optional implementation, the construction method of the floor slab integrated structural module further includes:

[0038] The base plate structure, steel mesh structure and detachable truss structure are first integrated into standard units, and then the standard units are assembled into an overall structural module according to the actual length and / or span requirements of the floor.

[0039] Beneficial effects: It is convenient for the prefabrication and assembly of the integrated structural modules of the floor slabs in the factory, and it is convenient for the transportation and hoisting of the integrated structural modules of the floor slabs, and it is convenient for the assembly and adjustment according to the actual length and / or span requirements of the floor slabs. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0041] Figure 1 A three-dimensional diagram of a bottom plate structure according to an embodiment of the present invention;

[0042] Figure 2 for Figure 1 A perspective view of a first bottom plate of the bottom plate structure shown in FIG.

[0043] Figure 3 for Figure 1 A perspective view of the second bottom plate of the bottom plate structure shown in FIG.

[0044] Figure 4 for Figure 1 A perspective view of a floor connector of a floor structure shown in FIG.

[0045] Figure 5 for Figure 1 An exploded view of the base plate structure shown in;

[0046] Figure 6 A three-dimensional diagram of a steel mesh structure according to an embodiment of the present invention;

[0047] Figure 7 A three-dimensional assembly diagram of a bottom plate structure and a steel mesh structure according to an embodiment of the present invention;

[0048] Figure 8 A three-dimensional diagram of a detachable truss structure according to an embodiment of the present invention;

[0049] Fig. 9 for Figure 8 A perspective view of a detachable truss unit of a detachable truss structure shown in FIG.

[0050] Fig.10 for Figure 8 A perspective view of an upper chord member of a detachable truss structure shown in FIG.

[0051] Fig.11 for Figure 8 A perspective view of a web member of a detachable truss structure shown in FIG.

[0052] Fig.12 for Figure 8 A perspective view of a truss connection assembly of a detachable truss structure shown in FIG.

[0053] Fig.13 A three-dimensional diagram of a floor integrated structural module according to an embodiment of the present invention;

[0054] Fig.14 A three-dimensional diagram of a floor slab integrated structure module after pouring concrete according to an embodiment of the present invention;

[0055] Fig.15 A three-dimensional diagram of another floor integrated structural module according to an embodiment of the present invention;

[0056] Fig.16 A three-dimensional diagram of another floor slab integrated structural module according to an embodiment of the present invention after pouring to form a first concrete layer;

[0057] Fig.17 A three-dimensional diagram of another floor integrated structural module according to an embodiment of the present invention after the detachable truss structure is removed;

[0058] Fig.18 This is a three-dimensional diagram of another floor slab integrated structural module according to an embodiment of the present invention after pouring to form a second concrete layer.

[0059] Description of reference numerals:

[0060] 10. Bottom plate structure; 11. Bottom plate unit; 111. First bottom plate; 1111. Step portion; 112. Second bottom plate; 12. Bottom plate connector; 13. Sleeve;

[0061] 20. Steel mesh structure; 21. Horizontal reinforcement; 22. Tension reinforcement;

[0062] 30. Detachable truss structure; 31. Detachable truss unit; 311. Upper chord member; 312. Web member; 3121. Support portion; 3122. First connection portion; 3123. Second connection portion; 32. Truss connection assembly; 321. First truss connection member; 322. Second truss connection member;

[0063] 41. first fastener; 42. second fastener; 43. third fastener; 44. fourth fastener; 45. fifth fastener; 46. sixth fastener;

[0064] 51, first bolt hole; 52, second bolt hole; 53, third bolt hole; 54, fourth bolt hole; 55, fifth bolt hole; 56, sixth bolt hole;

[0065] 61. First pouring space; 62. Second pouring space;

[0066] 71. First concrete layer; 72. Second concrete layer. DETAILED DESCRIPTION

[0067] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0068] In the related technologies, for example, there is the composite structure of steel beams, corrugated steel plates and concrete. However, the steel beams not only occupy indoor space but also cannot be reused. Another example is the prefabricated plate composite structure. However, its node processing is complicated, and how to achieve the same as cast-in-place is a difficult point.

[0069] In order to solve the floor construction problem of nuclear engineering plant, the present invention provides a floor integrated structure module and a construction method thereof, which can achieve formwork-free and scaffolding-free support, effectively integrate with steel bars, realize rapid installation and disassembly, reduce on-site operations, shorten the construction period, and accelerate the industrialization process of nuclear engineering civil engineering.

[0070] Combine the following Figures 1 to 18 , describing an embodiment of the present invention.

[0071] According to an embodiment of the present invention, on the one hand, a floor slab integrated structural module is provided, comprising:

[0072] Base structure 10, see Figure 1 As shown, the bottom plate structure 10 includes a first bottom plate 111 and a second bottom plate 112, the first bottom plate 111 is disposed between every two adjacent second bottom plates 112, and the first bottom plate 111 is suitable for splicing with the second bottom plates 112;

[0073] Steel mesh structure 20, see Figure 6 As shown, the steel mesh structure 20 includes horizontal bars 21 and tension bars 22. Figure 7 As shown, the horizontal rib 21 is arranged on one side of the bottom plate structure 10 along the first direction, and one end of the tie bar 22 in the first direction is suitable for connecting with the bottom plate structure 10, and the other end is suitable for connecting with the horizontal rib 21;

[0074] Detachable truss structure 30, see Fig.13 As shown, the detachable truss structure 30 is arranged on one side of the bottom plate structure 10 close to the steel mesh structure 20 along the first direction; Fig. 9 and Fig.12 As shown, the detachable truss structure 30 includes a detachable truss unit 31 and a truss connection assembly 32. The truss connection assembly 32 is suitable for connecting two adjacent detachable truss units 31. Figure 8 , Fig.10 and Fig.11 As shown, the detachable truss unit 31 includes an upper chord member 311 and a web member 312. The upper chord member 311 is arranged on a side of the steel mesh structure 20 away from the base plate structure 10 along the first direction. One end of the web member 312 in the first direction is connected to the upper chord member 311, and the other end is detachably connected to the first base plate 111 and / or the second base plate 112 by, for example, bolts and / or screws.

[0075] It should be noted that the first direction, the second direction and the third direction intersect with each other.

[0076] The floor integrated structure module provided by the present invention mainly includes a base plate structure 10, a steel mesh structure 20 and a detachable truss structure 30, the steel mesh structure 20 includes horizontal ribs 21 and tension bars 22, and the two ends of the tension bars 22 in the first direction are respectively connected to the horizontal ribs 21 and the base plate structure 10, so as to realize the integration of the base plate structure 10 and the steel mesh structure 20, the detachable truss structure 30 includes a detachable truss unit 31 and a truss connection assembly 32, the truss connection assembly 32 and two adjacent detachable truss units 31 can be detachably connected by, for example, bolts and / or screws, the detachable truss unit 31 includes an upper chord member 311 and a web member 312 connected to the upper chord member 311, and one end of the web member 312 along the first direction away from the upper chord member 311 can be detachably connected to the first base plate 111 and / or the second base plate 112 by, for example, bolts and / or screws, so as to integrate the base plate structure 10, the steel mesh structure 20 and the detachable The truss structure 30 is integrated into a floor integrated structure module based on a detachable truss, and is convenient for installation and removal of the detachable truss structure 30. During the concrete pouring process, the bottom plate structure 10 can be used as a bottom template for concrete pouring, and the bottom plate structure 10 can serve as the lower layer of steel bars. The bottom plate structure 10, the steel mesh structure 20 and the detachable truss structure 30 can jointly bear the load during the concrete pouring process to ensure the overall performance and quality of the concrete structure, and at the same time achieve formwork-free and scaffolding-free support, greatly reducing the workload and / or labor input of on-site steel bar binding, solving the construction problems in areas such as large-span floors, confined space floors, and floors that are difficult to support with scaffolding, and improving construction efficiency and safety. After the construction is completed, the detachable truss structure 30 can be removed from the bottom plate structure 10 to achieve the reuse of the detachable truss structure 30, thereby improving construction efficiency and reducing project costs.

[0077] It should be noted that the components of the floor slab integrated structure module can be connected by full bolts to achieve disassembly and assembly. The length of the floor slab integrated structure module is a standard module, for example, 1.2m is a standard unit, and the standard units are further spliced ​​into the required length of the entire floor slab. The specific dimensions of the components of the floor slab integrated structure module can be obtained through mechanical force calculation, which will not be repeated here. Figure 6 As shown, the horizontal reinforcement 21 includes transverse reinforcement and longitudinal reinforcement. The transverse reinforcement and the longitudinal reinforcement are arranged in pairs on the horizontal plane. The arrangement spacing of the transverse reinforcement and the longitudinal reinforcement is generally 200mm. The arrangement spacing of the tension reinforcement 22 can generally be 400mm×400mm, and can also be adjusted according to actual project needs.

[0078] In some embodiments, see Figure 2 As shown, the first bottom plate 111 is provided with step portions 1111 on both sides of the third direction, and the step portions 1111 are suitable for overlapping with the second bottom plate 112;

[0079] Please combine Figure 1 As shown, the floor integrated structure module further includes a first fastener 41, and the first fastener 41 is suitable for detachably connecting the step portion 1111 and the second bottom plate 112; see Figure 2 and Figure 3 As shown, first bolt holes 51 are provided on the step portion 1111 and on both sides of the second bottom plate 112 in the third direction, and the first bolt holes 51 are suitable for installing the first fasteners 41;

[0080] See also Figure 5 As shown, the first bottom plate 111 and the second bottom plate 112 are spliced ​​along the third direction to form a bottom plate unit 11 , and a plurality of bottom plate units 11 are spliced ​​along the second direction to form a bottom plate structure 10 .

[0081] It should be noted that the fastener can be in the form of a combination of bolts and nuts, where the bolts pass through the mounting holes of multiple connected parts and are tightened with nuts to achieve the detachable connection of multiple connected parts; the fastener can also be in the form of a combination of screws and preset threaded holes, where a preset threaded hole can be machined on one of the connected parts, and the screws are tightened with the preset threaded holes to achieve the detachable connection of multiple connected parts.

[0082] By providing step portions 1111 on both sides of the first bottom plate 111 in the third direction and connecting the step portions 1111 to the second bottom plate 112 through the first fastener 41, the difficulty of assembling the first bottom plate 111 and the second bottom plate 112 is reduced, which is beneficial to improving construction efficiency.

[0083] In some embodiments, see Figure 5As shown, the bottom plate structure 10 further includes a bottom plate connector 12, which is disposed between two adjacent bottom plate units 11, and the bottom plate connector 12 is suitable for being detachably connected with the two adjacent bottom plate units 11;

[0084] Please combine Figure 1 As shown, the floor integrated structure module also includes a second fastener 42, which is suitable for detachably connecting the base plate connector 12 to the base plate unit 11; second bolt holes 52 are provided on the base plate connector 12 and on both sides of the first base plate 111 and the second base plate 112 in the second direction, and the second bolt holes 52 are suitable for installing the second fastener 42.

[0085] By setting a bottom plate connector 12 between two adjacent bottom plate units 11 and connecting the bottom plate connector 12 to the bottom plate unit 11 through a second fastener 42, the bottom plate structure 10 can be arranged along the span direction of the floor slab, and the assembly difficulty of the bottom plate structure 10 can be reduced, which is beneficial to improving construction efficiency; the bottom plate structure 10 can be used as a bottom formwork for concrete pouring, and at the same time, the bottom plate structure 10 can act as a lower layer of steel bars, thereby bearing the load during the concrete pouring process, ensuring the overall performance and quality of the concrete structure, and at the same time achieving formwork-free and scaffolding-free support, greatly reducing the workload and / or labor input of on-site steel bar tying.

[0086] In some embodiments, please combine Figure 1 and Figure 7 As shown, the bottom plate structure 10 further includes a sleeve 13, which can be fixedly disposed on the first bottom plate 111 and / or the second bottom plate 112 along the first direction toward one side of the detachable truss structure 30 by welding;

[0087] One end of the tension bar 22 along the first direction is threadedly connected to the sleeve 13 , and the other end is tied and fixed to the horizontal bar 21 .

[0088] By fixing the sleeve 13 on the first base plate 111 and / or the second base plate 112, the sleeve 13 can not only be quickly connected to the tie rod 22, but also can quickly and accurately position the tie rod 22 and the entire steel mesh structure 20. The base plate structure 10 is used as the bottom formwork for concrete pouring and acts as the lower layer of steel bars, which reduces the arrangement of steel bars, saves labor input, and improves on-site construction efficiency. During the concrete pouring process, the base plate structure 10 is cast together with the tie rod 22 and the horizontal bar 21 to form a whole, which is beneficial to ensure the overall performance and quality of the concrete structure.

[0089] In some embodiments, see Fig. 9 As shown, the belly member 312 includes a supporting portion 3121 and a first connecting portion 3122 and a second connecting portion 3123 at both ends thereof in a first direction;

[0090] The detachable truss unit 31 further includes a third fastener 43, which is suitable for detachably connecting the first connection portion 3122 and the upper chord member 311; the upper chord member 311 and the first connection portion 3122 are both provided with a third bolt hole 53, and the third bolt hole 53 is suitable for installing the third fastener 43;

[0091] Please combine Fig.13 As shown, the detachable truss unit 31 further includes a fourth fastener 44, which is suitable for detachably connecting the second connecting portion 3123 to the first bottom plate 111 and / or the second bottom plate 112; see Figure 1 and Fig. 9 As shown, fourth bolt holes 54 are provided on the second connection portion 3123 and the first bottom plate 111 and / or the second bottom plate 112 , and the fourth bolt holes 54 are suitable for installing the fourth fastener 44 .

[0092] The first connection portion 3122 is detachably connected to the upper chord member 311 by the third fastener 43, so as to facilitate the disassembly and assembly of the upper chord member 311 and the web member 312, thereby facilitating the prefabrication of the detachable truss unit 31; the second connection portion 3123 is detachably connected to the first bottom plate 111 and / or the second bottom plate 112 by the fourth fastener 44, so as to facilitate the disassembly and assembly of the detachable truss structure 30 and the bottom plate structure 10, thereby improving the construction efficiency and realizing the reuse of the detachable truss structure 30, which is conducive to reducing the project cost.

[0093] In some embodiments, see Figure 8 As shown, the truss connection assembly 32 includes a first truss connection member 321, which is arranged between two adjacent upper chord members 311, and the first truss connection member 321 is detachably connected to the two adjacent upper chord members 311; the detachable truss structure 30 also includes a fifth fastener 45, which is suitable for detachably connecting the first truss connection member 321 to the upper chord member 311; fifth bolt holes 55 are provided on the first truss connection member 321 and on both sides of the upper chord member 311 in the second direction, and the fifth bolt holes 55 are suitable for installing the fifth fastener 45.

[0094] By such an arrangement, the detachable truss structure 30 can be arranged along the span direction of the floor slab, and can bear the load of the concrete, which is beneficial to ensuring the overall performance and quality of the concrete structure. After the pouring is completed and the concrete hardens to the preset condition, the first truss connector 321 can be removed, which is convenient for further dismantling of the detachable truss structure 30 in parts, realizing modular manufacturing and reuse, and helping to reduce the project cost.

[0095] In some embodiments, see Figure 8As shown, the truss connection assembly 32 also includes a second truss connection member 322, which is arranged between two adjacent web members 312, and the second truss connection member 322 is detachably connected to the two adjacent web members 312; the detachable truss structure 30 also includes a sixth fastener 46, which is suitable for detachably connecting the second truss connection member 322 and the support portion 3121; the second truss connection member 322 and the support portion 3121 are both provided with a sixth bolt hole 56, and the sixth bolt hole 56 is suitable for installing the sixth fastener 46.

[0096] By such an arrangement, it can be further ensured that the detachable truss structure 30 is arranged along the span direction of the floor slab, thereby ensuring the overall performance and quality of the concrete structure.

[0097] By providing the base plate connector 12, the first truss connector 321 and the second truss connector 322, the base plate structure 10 and the detachable truss structure 30 are assembled to form detachable truss structure units of different standard modules, and the standard units are further spliced ​​into the required length of the entire floor slab, so that the detachable truss structure module forms an integral force-bearing structure and bears the load of the concrete, which is beneficial to ensuring the overall performance and quality of the concrete structure and at the same time beneficial to improving construction efficiency.

[0098] In some embodiments, see Fig.13 and Fig.15 As shown, every two adjacent detachable truss structures 30 are spaced apart along the third direction on the bottom plate structure 10 and form a first pouring space 61 together with the bottom plate structure 10. The first pouring space 61 is suitable for pouring and forming a first concrete layer 71.

[0099] See also Fig.17 As shown, two adjacent first concrete layers 71 are spaced apart along the third direction and together with the bottom plate structure 10 form a second pouring space 62. Fig.18 As shown, the second pouring space 62 is suitable for pouring and forming a second concrete layer 72 .

[0100] After the floor slab integrated structure module is hoisted to the construction site and installed, the bottom plate structure 10 can be used as the bottom formwork for concrete pouring, and the bottom plate structure 10 can also serve as the lower layer of reinforcement, such as Fig.16 As shown, a first concrete layer 71 is first poured between each two adjacent detachable truss structures 30. After the first concrete layer 71 reaches the designed strength, the detachable truss structure 30 can be removed to achieve the reuse of the detachable truss structure 30. Fig.18 As shown, a second concrete layer 72 is then poured between each two adjacent first concrete layers 71 to form a nuclear engineering floor structure.

[0101] According to an embodiment of the present invention, on the other hand, a construction method of the above-mentioned floor slab integrated structural module is also provided, comprising:

[0102] Prefabricate a base plate structure 10, a steel mesh structure 20 and a detachable truss structure 30 respectively;

[0103] Connect the reinforcing bars 22 of the steel mesh structure 20 to the sleeves 13 of the base plate structure 10;

[0104] Installing a detachable truss structure 30 on the base plate structure 10, and assembling and integrating the base plate structure 10, the steel mesh structure 20 and the detachable truss structure 30 into a floor integrated structure module based on the detachable truss structure;

[0105] Lift the overall structural module onto the preset brackets at the construction site;

[0106] The first concrete layer 71 is cast on site, and after the concrete reaches the designed strength, the detachable truss structure 30 is removed, and then the second concrete layer 72 is cast.

[0107] The construction method of the floor integrated structure module provided by the present invention, the prefabrication of the bottom plate structure 10, the steel mesh structure 20 and the detachable truss structure 30, the connection of the steel mesh structure 20 and the bottom plate structure 10, and the assembly and integration of the bottom plate structure 10, the steel mesh structure 20 and the detachable truss structure 30 can all be completed in the factory, thereby reducing the amount of labor input on site; the bottom plate structure 10 can be used as a bottom template for concrete pouring, and the bottom plate structure 10 can serve as the lower layer of steel bars, which can not only reduce the arrangement of steel bars, save on-site labor input, and improve on-site construction efficiency, but also achieve formwork-free and scaffolding-free support, while ensuring the overall performance and quality of the concrete structure, solving the floor construction problem of nuclear engineering plant, and is conducive to accelerating the industrialization process of floor construction of nuclear engineering plant, especially for large-span floor, confined space floor, scaffolding difficult to support floor and other regional construction problems, through the modular manufacturing of the detachable truss structure to achieve reuse and reduce the project cost.

[0108] In some embodiments, the construction method of the floor integrated structural module further includes:

[0109] The base plate structure 10, the steel mesh structure 20 and the detachable truss structure 30 are first integrated into standard units, and then the standard units are assembled into an overall structural module according to the actual length and / or span requirements of the floor slab. This is convenient for the assembly and prefabrication of the floor slab integrated structural module in the factory, the transportation and hoisting of the floor slab integrated structural module, and the assembly and adjustment according to the actual length and / or span requirements of the floor slab.

[0110] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A floor integrated structural module, It is characterized in that include: A base plate structure (10) comprises a first base plate (111) and a second base plate (112), wherein the first base plate (111) is arranged between every two adjacent second base plates (112), and the first base plate (111) is suitable for being spliced ​​with the second base plates (112); A steel mesh structure (20), comprising horizontal bars (21) and tension bars (22), wherein the horizontal bars (21) are arranged on one side of the base plate structure (10) along a first direction, and one end of the tension bars (22) in the first direction is suitable for being connected to the base plate structure (10), and the other end is suitable for being connected to the horizontal bars (21); A detachable truss structure (30) is arranged on a side of the base plate structure (10) close to the steel mesh structure (20) along a first direction; the detachable truss structure (30) comprises a detachable truss unit (31) and a truss connection assembly (32), wherein the truss connection assembly (32) is suitable for connecting two adjacent detachable truss units (31); the detachable truss unit (31) comprises an upper chord member (311) and a web member (312), wherein the upper chord member (311) is arranged on a side of the steel mesh structure (20) away from the base plate structure (10) along the first direction, wherein one end of the web member (312) in the first direction is connected to the upper chord member (311), and the other end is detachably connected to the first base plate (111) and / or the second base plate (112).

2. The floor integrated structural module according to claim 1, It is characterized in that Step portions (1111) are provided on both sides of the third direction of the first bottom plate (111), and the step portions (1111) are suitable for overlapping with the second bottom plate (112); The floor slab integrated structure module further comprises a first fastener (41), the first fastener (41) being suitable for detachably connecting the step portion (1111) and the second bottom plate (112); first bolt holes (51) are provided on the step portion (1111) and on both sides of the second bottom plate (112) in the third direction, the first bolt holes (51) being suitable for installing the first fastener (41); The first bottom plate (111) and the second bottom plate (112) are spliced ​​along a third direction to form a bottom plate unit (11), and a plurality of the bottom plate units (11) are spliced ​​along a second direction to form the bottom plate structure (10).

3. The floor integrated structural module according to claim 2, It is characterized in that The base plate structure (10) further comprises a base plate connecting member (12), wherein the base plate connecting member (12) is arranged between two adjacent base plate units (11), and the base plate connecting member (12) is suitable for being detachably connected to the two adjacent base plate units (11); The floor slab integrated structure module further comprises a second fastener (42), wherein the second fastener (42) is suitable for detachably connecting the base plate connector (12) and the base plate unit (11); second bolt holes (52) are provided on the base plate connector (12) and on both sides of the first base plate (111) and the second base plate (112) in the second direction, and the second bolt holes (52) are suitable for installing the second fastener (42).

4. The floor integrated structural module according to claim 1, It is characterized in that The base plate structure (10) further comprises a sleeve (13), wherein the sleeve (13) is fixedly arranged on one side of the first base plate (111) and / or the second base plate (112) along the first direction toward the detachable truss structure (30); One end of the tension bar (22) along the first direction is threadedly connected to the sleeve (13), and the other end is tied and fixed to the horizontal bar (21).

5. The floor integrated structural module according to claim 1, It is characterized in that The belly member (312) comprises a supporting portion (3121) and a first connecting portion (3122) and a second connecting portion (3123) at two ends thereof in a first direction; The detachable truss unit (31) further comprises a third fastener (43), wherein the third fastener (43) is suitable for detachably connecting the first connection portion (3122) and the upper chord member (311); a third bolt hole (53) is provided on both the upper chord member (311) and the first connection portion (3122), wherein the third fastener (43) is suitable for installing the third bolt hole (53); The detachable truss unit (31) also includes a fourth fastener (44), and the fourth fastener (44) is suitable for detachably connecting the second connecting portion (3123) with the first base plate (111) and / or the second base plate (112); the second connecting portion (3123) and the first base plate (111) and / or the second base plate (112) are each provided with a fourth bolt hole (54), and the fourth bolt hole (54) is suitable for installing the fourth fastener (44).

6. The floor integrated structural module according to claim 5, It is characterized in that The truss connection assembly (32) comprises a first truss connection member (321), the first truss connection member (321) is arranged between two adjacent upper chord components (311), and the first truss connection member (321) is detachably connected to the two adjacent upper chord components (311); the detachable truss structure (30) further comprises a fifth fastener (45), the fifth fastener (45) is suitable for detachably connecting the first truss connection member (321) to the upper chord component (311); fifth bolt holes (55) are provided on the first truss connection member (321) and on both sides of the upper chord component (311) in the second direction, and the fifth bolt holes (55) are suitable for installing the fifth fastener (45).

7. The floor integrated structural module according to claim 5, It is characterized in that The truss connection assembly (32) also includes a second truss connection member (322), the second truss connection member (322) is arranged between two adjacent web members (312), and the second truss connection member (322) is detachably connected to the two adjacent web members (312); the detachable truss structure (30) also includes a sixth fastener (46), and the sixth fastener (46) is suitable for detachably connecting the second truss connection member (322) and the support portion (3121); the second truss connection member (322) and the support portion (3121) are both provided with a sixth bolt hole (56), and the sixth bolt hole (56) is suitable for installing the sixth fastener (46).

8. The floor integrated structural module according to any one of claims 1 to 7, It is characterized in that Every two adjacent detachable truss structures (30) are arranged on the base plate structure (10) along a third direction and form a first pouring space (61) together with the base plate structure (10), wherein the first pouring space (61) is suitable for pouring and forming a first concrete layer (71); Two adjacent first concrete layers (71) are arranged at intervals along the third direction and together with the base plate structure (10) form a second pouring space (62), wherein the second pouring space (62) is suitable for pouring and forming a second concrete layer (72).

9. A construction method for a floor slab integrated structural module as claimed in any one of claims 1 to 8, It is characterized in that include: Prefabricate a base plate structure (10), a steel mesh structure (20) and a detachable truss structure (30) respectively; Connecting the reinforcing bars (22) of the steel mesh structure (20) to the sleeves (13) of the base plate structure (10); Installing a detachable truss structure (30) on the base plate structure (10), and assembling and integrating the base plate structure (10), the steel mesh structure (20) and the detachable truss structure (30) into a floor slab integrated structure module based on the detachable truss structure; Lift the overall structural module onto the preset brackets at the construction site; The first concrete layer (71) is cast on site, and after the concrete reaches the designed strength, the detachable truss structure (30) is removed, and then the second concrete layer (72) is cast.

10. The construction method of the floor slab integrated structure module according to claim 9, It is characterized in that Also includes: The base plate structure (10), the steel mesh structure (20) and the detachable truss structure (30) are first integrated into standard units, and then the standard units are assembled into an overall structural module according to the actual length and / or span requirements of the floor.

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