Multi-layer box house of modular integrated building and construction method of multi-layer box house

Abstract

The invention relates to the technical field of constructional engineering, in particular to a multi-layer box house of a modular integrated building and a construction method thereof, each layer of box house comprises at least one box house unit, and each box house unit comprises a prefabricated bottom plate, a prefabricated top plate, a prefabricated outer wall plate and a plurality of prefabricated side wall plates which are arranged in a hexahedron mode. In every two vertically adjacent box room units, the reinforcement cages in the two box room units are vertically and correspondingly arranged, and the lower-layer vertical ribs extend into the area where the bottoms of the upper-layer vertical ribs are located. The modular integrated building has the beneficial effects that a complex box house is divided into a plurality of prefabricated wallboards, the wallboards are rapidly connected through the embedded steel plates, welding of the embedded steel plates can replace steel bar lap joint of a post-pouring section, the use amount of lateral formworks in a mold for producing the box house is reduced, the modular integrated building can be more flexibly divided into single wallboard small components, and the construction efficiency is improved. The production difficulty of the complex position of the structure is greatly reduced, the multiple prefabricated side wall plates and the prefabricated outer wall plates do not need steel bar lap joint or post-cast strips, and the construction speed is higher.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering, and in particular to a multi-story container house of a modular integrated building and a construction method thereof. Background Art

[0002] Modular integrated building is to split a building into modular "units", and efficiently complete the construction processes such as the structure, decoration, water and electricity, equipment pipelines, and bathroom facilities of the modules in the factory. On-site, the building is quickly assembled into a whole through reliable connection technologies. This technology moves the building from the construction site to the factory, greatly shortening the construction period, reducing the construction difficulty, and realizing "building houses like manufacturing cars". It is the green construction method with the highest degree of building industrialization at present.

[0003] In the prior art, modular integrated buildings directly produce complete concrete modules in the factory, and multiple concrete modules are connected to form a modular integrated building. However, subsequent operations are still required on-site for the complete concrete modules. For concrete modules with complex structures, there are a series of technical challenges in the overall casting and forming in the prefabrication factory. Moreover, when the concrete modules are assembled on-site at the construction site, it is necessary to pour concrete at the in-situ casting position to form a modular integrated building. Since the amount of steel bar work at the in-situ casting position on the construction site is large and cumbersome, and if all the steel bar work is placed in the prefabrication factory for production, it will lead to extremely complex structures of the concrete modules. The traditional vertically dropping concrete cannot be demolded from the side to produce such concrete modules, so it will waste a long time and slow down the construction progress of the construction site.

[0004] Therefore, there is an urgent need for a multi-story container house of a modular integrated building with a fast construction speed and high connection strength and a construction method thereof. Summary of the Invention

[0005] (I) Technical Problems to be Solved In view of the above-mentioned disadvantages and deficiencies of the prior art, the present invention provides a multi-story container house of a modular integrated building and a construction method thereof, which solve the technical problems of slow construction speed and insufficient connection strength of concrete modules in the existing modular integration.

[0006] (II) Technical Solutions In order to achieve the above object, the main technical solutions adopted by the present invention include: In the first aspect, an embodiment of the present invention provides a multi-storey container house of a modular integrated building, wherein each floor of the container house includes at least one container house unit; the container house unit includes a prefabricated bottom plate, a prefabricated top plate, a prefabricated exterior wall plate and a plurality of prefabricated side wall plates in a hexahedral layout, wherein: two adjacent prefabricated side wall plates, and adjacent prefabricated side wall plates and prefabricated exterior wall plates are welded and connected by embedded steel plates in their respective end faces, and the prefabricated top plate and the prefabricated bottom plate are connected to the prefabricated exterior wall plates and the plurality of prefabricated side wall plates by steel bars and cast-in-place concrete slabs wrapped with the steel bars; a steel cage is provided on the outside of at least one prefabricated side wall plate, and the steel cage includes a plurality of stirrups embedded in the adjacent prefabricated side wall plate on one side and distributed at intervals along the longitudinal direction, and a plurality of vertical bars fixed in the stirrups, and the vertical bars protrude from the prefabricated top plate; in each of two adjacent container house units, the steel cages in the upper and lower container house units are arranged correspondingly from top to bottom, the lower vertical bars extend into the area where the bottom of the upper vertical bars are located, and the correspondingly arranged steel cages are poured with concrete.

[0007] Optionally, the multiple prefabricated side wall panels include a first prefabricated side wall panel, a second prefabricated side wall panel and a third prefabricated side wall panel, wherein: the prefabricated exterior wall panel and the second prefabricated side wall panel are both bent and located at two perpendicular facades, one end of the third prefabricated side wall panel and one end of the prefabricated exterior wall panel, the other end of the prefabricated exterior wall panel and one end of the first prefabricated side wall panel, and the other end of the first prefabricated side wall panel and one end of the second prefabricated side wall panel are all welded and connected by embedded steel plates in their respective end faces, and the other end of the third prefabricated side wall panel and the other end of the second prefabricated side wall panel are spaced apart; steel cages are arranged on the outside of one end of the second prefabricated side wall panel connected to the first prefabricated side wall panel, on the outside of one end of the third prefabricated side wall panel connected to the prefabricated exterior wall panel, and on the outside of the corner of the second prefabricated side wall panel.

[0008] Optionally, a plurality of stirrups are longitudinally spaced apart and distributed along the prefabricated side wall panels to form a plurality of rows, a plurality of stirrups and the prefabricated side wall panels form a plurality of cavities, and a plurality of vertical bars are distributed inside the cavities.

[0009] Optionally, the vertical reinforcement is divided into a first straight portion, a folded line portion and a second straight portion, the first straight portion is located at the edge of the cavity, the first straight portion protrudes from the prefabricated top plate, the first straight portion extends downward to the folded line portion, the folded line portion extends toward the center of the cavity to the second straight portion, the second straight portion extends downward to the prefabricated bottom plate, and the second straight portion is located within the first straight portion in the lower steel cage.

[0010] Optionally, the embedded steel plates are embedded in the prefabricated side wall panels through fixed steel bars fixedly connected thereto, and a plurality of embedded steel plates are longitudinally distributed along the end faces of the prefabricated side wall panels.

[0011] In a second aspect, an embodiment of the present invention provides a construction method of a multi-storey container house of a modular integrated building, comprising the following steps: S1. Fabricate the container house units; S11. Fabricate the precast bottom slab, precast top slab, precast exterior wall panel and multiple precast side wall panels. Among them, embedded steel plates are pre-embedded on the respective end faces between two precast side wall panels that are to be connected and between the precast side wall panel and the precast exterior wall panel that are to be connected. On the outer side surface of the precast side wall panel where the steel reinforcement cage is pre-set, multiple stirrups are pre-embedded at intervals longitudinally; S12. Place the precast bottom slab at the bottom end of the tooling platform, install the precast top slab at the top end of the tooling platform, splice the precast exterior wall panel and multiple precast side wall panels onto the tooling platform, and connect the precast bottom slab, precast top slab, precast exterior wall panel and multiple precast side wall panels by pouring concrete; S13. A cavity is formed by enclosing the multiple stirrups and the surfaces of the multiple precast side wall panels, and multiple vertical steel bars are fixed in the cavity to form a steel reinforcement cage; S14. The fabrication of the container house unit is completed; S2. Fabricate the multi-story container house; Transport multiple container house units to the construction site, place multiple container house units at the designated positions, arrange multiple container house units in a multi-story structure horizontally and longitudinally. Pouring spaces are formed at the corners between the first precast side wall panel and the third precast side wall panel and the second precast side wall panel in another adjacent container house unit on the left and right, and between the upper and lower adjacent second precast side wall panels and the formwork outside them. Pour concrete into the pouring spaces to form a multi-story container house.

[0012] Optionally, in step S11, a steel bar mesh extending in the up-down direction is also provided inside the precast exterior wall panel and multiple precast side wall panels. When the precast exterior wall panel and multiple precast side wall panels have not been poured with concrete, the fixing steel bars are fixed to the steel bar mesh, and one side of the stirrup is fixed to the steel bar mesh.

[0013] Optionally, in step S12, when the precast bottom slab is placed on the tooling platform, distribution steel bars extending horizontally outward are pre-embedded on the precast bottom slab and the precast top slab. The distribution steel bars are fixedly connected to the steel bar mesh on the precast exterior wall panel and multiple precast side wall panels, and the steel bar mesh and the distribution steel bars are fixed by cast-in-place concrete.

[0014] Optionally, in step S2, when multiple container houses are connected left and right, there is an interval area between the second precast side wall panel and the third precast side wall panel. The third precast side wall panel is connected to the first precast side wall panel in one of the adjacent container houses horizontally.

[0015] Optionally, in step S2, when multiple container houses are connected up and down, the upper and lower container houses are in an aligned state. The vertical steel bars in the lower container house extend into the bottom of the stirrups in the upper container house to form an overlapping part of the vertical steel bars in the upper and lower container houses, and the vertical steel bars in the upper and lower container houses are connected by pouring concrete.

[0016] (III) Beneficial effects The beneficial effects of the present invention are: On the one hand, the present invention provides a multi-story container house for modular integrated buildings. Each floor of the container house includes at least one container house unit. The container house unit includes a precast bottom plate, a precast top plate, precast exterior wall panels, and a plurality of precast side wall panels arranged in a hexahedron layout. Among them: between two adjacent precast side wall panels, and between the adjacent precast side wall panels and precast exterior wall panels, they are welded and connected through embedded steel plates in their respective end faces. The precast top plate and precast bottom plate are connected to the precast exterior wall panels and a plurality of precast side wall panels through steel bars and cast-in-place concrete plates wrapping the steel bars. At least one precast side wall panel is provided with a steel reinforcement cage on the outside. The steel reinforcement cage includes a plurality of stirrups embedded on one side in the adjacent precast side wall panel and distributed at intervals along the longitudinal direction, and a plurality of vertical bars fixed in the stirrups. The vertical bars protrude from the precast top plate. In each pair of adjacent upper and lower container house units, the steel reinforcement cages in the upper and lower container house units are arranged corresponding to each other up and down. The lower vertical bars extend into the area where the bottom of the upper vertical bars is located, and the corresponding steel reinforcement cages are filled with concrete. Compared with the prior art, the complex container house is divided into multiple precast wall panels, which are manufactured in a standardized manner. The wall panels are quickly connected by embedded steel plates, avoiding the need to reserve a post-cast section between the precast side wall panels for steel bar lapping connection. The welding of the embedded steel plates can replace the steel bar lapping of the post-cast section, reducing the usage amount of the lateral formwork in the mold for producing the container house, and enabling the modular integrated building to be more flexibly disassembled into individual wall panel small components, greatly reducing the production difficulty at structurally complex positions. At the construction site, the overlapping parts of the vertical bars are connected by concrete pouring, enhancing the connection strength between the upper and lower container houses, and eliminating the need for on-site steel bar operations, resulting in a faster construction speed.

[0017] On the other hand, the present invention provides a construction method for a multi-story container house of a modular integrated building. S1. Fabricate container house units; S11. Fabricate a precast bottom plate, a precast top plate, precast exterior wall panels, and a plurality of precast side wall panels. Among them, embedded steel plates are pre-embedded on the respective end faces between two precast side wall panels to be pre-connected and between the precast side wall panel and the precast exterior wall panel to be pre-connected. On the outer side of the precast side wall panel where a steel reinforcement cage is pre-set, a plurality of stirrups are pre-embedded at intervals along the longitudinal direction; S12. Place the precast bottom plate at the bottom end of the tooling platform, install the precast top plate at the top end of the tooling platform, splice the precast exterior wall panels and the plurality of precast side wall panels onto the tooling platform, and connect the precast bottom plate, the precast top plate, the precast exterior wall panels, and the plurality of precast side wall panels by pouring concrete; S13. A cavity is formed by surrounding the surfaces of the plurality of stirrups and the plurality of precast side wall panels, and a plurality of vertical bars are fixed in the cavity to form a steel reinforcement cage; S14. The container house unit is fabricated; S2. Fabricate a multi-story container house; transport a plurality of container house units to the construction site, place the plurality of container house units at the designated positions, arrange the plurality of container house units in a multi-story structure along the transverse and longitudinal directions. Pouring spaces are formed at the corners of the first precast side wall panel and the third precast side wall panel and the second precast side wall panel in another container house unit adjacent to the left and right respectively, and pouring spaces are formed between the vertically adjacent second precast side wall panels and the formwork outside them. Pour concrete into the pouring spaces to form a multi-story container house. Compared with the prior art, by mass-producing precast walls in the factory, the steel bar operation at the in-situ casting position of the building site is carried out in the precast factory production, and is tied to the precast side wall panels in the form of a steel reinforcement cage, which speeds up the overall construction efficiency. The embedded steel plates between the end faces of the welded wall panels are quickly connected and assembled into a container house. After being transported to the site, a multi-story container house structure is formed by horizontally connecting and vertically connecting a plurality of container houses through in-situ concrete pouring. The vertical bars overlap and cross each other, avoiding manual binding, with faster construction speed, labor saving, and strong integrity. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The top view of Embodiment 1 of the multi-story container house of the modular integrated building of the present invention; Figure 2 is Figure 1 The side view of the multi-story container house of the modular integrated building shown; Figure 3 is Figure 1 The partial schematic view of the multi-story container house of the modular integrated building shown, wherein, for clearly showing the structure, only the steel reinforcement cage, the steel bar mesh, and the distribution steel bars are shown; Figure 4 is Figure 1 The structural schematic view of the multi-story container house of the modular integrated building shown; Figure 5 The structural schematic view of Embodiment 2 of the present invention, wherein the precast top plate is not shown; Figure 6 isFigure 5 Partial schematic diagram showing the structure.

[0019] Description of reference numerals 1: Prefabricated bottom slab; 2: Prefabricated top slab; 3: Prefabricated external wall panel; 4: First prefabricated side wall panel; 5: Second prefabricated side wall panel; 6: Third prefabricated side wall panel; 7: Embedded steel plate; 8: Reinforcement cage; 81: Stirrup; 82: Vertical reinforcement; 9: Fixed reinforcement; 10: Distribution reinforcement; 11: Reinforcement mesh. Detailed implementation manners

[0020] For better explaining the present invention for easy understanding, the present invention will be described in detail below with reference to the accompanying drawings through specific implementation manners.

[0021] For better understanding the above technical solution, the exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0022] Embodiment 1:

[0023] Referring to Figures 1 to 4 , the present invention provides a multi-story container house of a modular integrated building, and a specific house structure is constructed by using the method of modular integrated building. Specifically, in the multi-story container house of the modular integrated building of the present embodiment, each floor of the container house includes a prefabricated bottom slab 1, a prefabricated top slab 2, a prefabricated external wall panel 3 and a plurality of prefabricated side wall panels arranged in a hexahedron layout, which are described in detail below.

[0024] Referring to Figure 1 , Figure 1 is a top view of the multi-story container house of the modular integrated building. Between two adjacent prefabricated side wall panels and between the adjacent prefabricated side wall panel and the prefabricated external wall panel 3, they are welded and connected through the embedded steel plates 7 in their respective end faces. The prefabricated top slab 2 and the prefabricated bottom slab 1 are connected to the prefabricated external wall panel 3 and a plurality of prefabricated side wall panels through steel bars and cast-in-place concrete slabs wrapping the steel bars. At least one prefabricated side wall panel is provided with a reinforcement cage 8 on the outside. The reinforcement cage 8 includes a plurality of stirrups 81 embedded on one side in the adjacent prefabricated side wall panel and longitudinally spaced apart, and a plurality of vertical reinforcements 82 fixed in the stirrups 81. The vertical reinforcements 82 protrude from the prefabricated top slab 2. In each pair of adjacent upper and lower container house units, the reinforcement cages 8 in the upper and lower container house units are arranged corresponding to each other up and down. The lower vertical reinforcements 82 extend into the area where the bottom of the upper vertical reinforcements 82 is located, and the corresponding reinforcement cages 8 are filled with concrete.

[0025] Specifically, the prefabricated top plate 2 and the prefabricated bottom plate 1 are smaller in size than the top and bottom wall panels in the container house. Therefore, the prefabricated top plate 2 and the prefabricated bottom plate 1 are tied with the steel bars on the prefabricated exterior wall panels 3 and multiple prefabricated side wall panels through the exposed steel bars of the two, and then the prefabricated top plate 2 and the prefabricated bottom plate 1 form the top and bottom surfaces of a hexahedron, and the prefabricated exterior wall panels 3 and multiple prefabricated side wall panels form the four sides of the hexahedron. The concrete slab formed by steel bar tying and concrete pouring connects the prefabricated top plate 2, the prefabricated bottom plate 1 with the prefabricated exterior wall panels 3 and multiple prefabricated side wall panels, and the connected prefabricated side wall panels, as well as the connected prefabricated side wall panels and the prefabricated exterior wall panels 3 are connected by welding through the embedded steel plates 7 embedded in the edge positions of their respective end faces, thus forming a container house with a hexahedral layout. One side of multiple stirrups 81 is embedded in the prefabricated side wall panel. Therefore, the remaining parts of the multiple stirrups 81 and the wall panels of the prefabricated side wall panel are combined to form multiple rectangular spaces. The vertical bars 82 are welded or tied inside the rectangular space. In the upper and lower container rooms, the upper and lower container rooms are aligned, and the positions of the vertical bars 82 in the upper and lower container rooms correspond one to one. The lower vertical bars 82 extend into the upper container room. Therefore, pouring concrete can connect the upper and lower container rooms, and the vertical bars 82 can enhance the connection strength of the upper and lower container rooms.

[0026] Furthermore, the plurality of prefabricated side wall panels include a first prefabricated side wall panel 4, a second prefabricated side wall panel 5 and a third prefabricated side wall panel 6, wherein: the prefabricated exterior wall panel 3 and the second prefabricated side wall panel 5 are both bent and located at two perpendicular facades, one end of the third prefabricated side wall panel 6 and one end of the prefabricated exterior wall panel 3, the other end of the prefabricated exterior wall panel 3 and one end of the first prefabricated side wall panel 4, and the other end of the first prefabricated side wall panel 4 and one end of the second prefabricated side wall panel 5 are all welded and connected through the embedded steel plates 7 in their respective end faces, and the other end of the third prefabricated side wall panel 6 and the other end of the second prefabricated side wall panel 5 are spaced apart. Steel cages 8 are arranged on the outside of one end of the second prefabricated side wall panel 5 connected to the first prefabricated side wall panel 4, on the outside of one end of the third prefabricated side wall panel 6 connected to the prefabricated exterior wall panel 3, and on the outside of the corners of the second prefabricated side wall panel 5.

[0027] Specifically, refer to Figure 1, multiple prefabricated side wall panels are wall panels enclosed with the prefabricated exterior wall panels 3 to form the four sides of a hexahedron, the prefabricated exterior wall panels 3 are perpendicular to the second prefabricated side wall panels, and the prefabricated exterior wall panels 3 themselves are L-shaped and connected to the third prefabricated side wall panels 6, and the second prefabricated side wall panels 5 are perpendicular to the first prefabricated side wall panels 4, and the second prefabricated side wall panels 5 and the third prefabricated side wall panels 6 have a gap, which is opened when the third prefabricated side wall panels 6 are connected to the first prefabricated side wall panels 4 in the adjacent box room, and can be used as indoor passages. It can also be used as a window opening at the edge position, and it can also save concrete when connecting. When the steel cage 8 on the third prefabricated side wall panel 6 is connected to the first prefabricated side wall panel 4 in the adjacent box room, the strength of the connection can be enhanced, and multiple steel cages 8 can enhance the integrity of the box body. Refer to Figure 2 The embedded steel plate 7 at the end surface where multiple prefabricated side wall panels and prefabricated exterior wall panels 3 are connected is located at the outer edge of the wall. Therefore, when multiple prefabricated side wall panels and prefabricated exterior wall panels 3 are placed together, different wall panels can be fixedly connected by welding the embedded steel plate 7.

[0028] Furthermore, multiple stirrups 81 are distributed longitudinally along the prefabricated side wall panels to form multiple rows, multiple stirrups 81 and the prefabricated side wall panels form multiple cavities, and multiple vertical bars 82 are distributed inside the cavities. The stirrups 81 are distributed longitudinally in multiple rows in the prefabricated side wall panels, and the parts not embedded in the wall are enclosed with the surface of the prefabricated side wall panels to form cavities. Different types of stirrups 81 form cavities of different shapes and sizes in the same horizontal plane. Therefore, multiple vertical bars 82 are also distributed in the cavity formed by a row of stirrups 81.

[0029] Furthermore, the vertical reinforcement 82 is divided into a first straight portion, a folded portion and a second straight portion, the first straight portion is located at the edge of the cavity, the first straight portion protrudes from the prefabricated top plate 2, the first straight portion extends downward to the folded portion, the folded portion extends toward the center of the cavity to the second straight portion, the second straight portion extends downward to the prefabricated bottom plate 1, and the second straight portion is located in the first straight portion in the lower reinforcement cage 8. Figure 3 , Figure 3 It is a partial schematic diagram of a multi-story container house of a modular integrated building, where each vertical rib 82 is located inside the cavity, and the vertical rib 82 is divided into a first straight portion, a folded line portion and a second straight portion from top to bottom, and the portion extending out of the container house is the first straight portion, the folded line portion is located at the portion where the first straight portion transitions to the second straight portion, and the bending direction of the folded line portion is toward the center of the cavity where the vertical rib 82 is located. Therefore, the second straight portion of each vertical rib 82 can extend into the middle of the first straight portion in the corresponding lower container house to form an overlapping area, which has better integrity and greater connection strength after the upper and lower container houses are connected.

[0030] Furthermore, the embedded steel plate 7 is embedded in the prefabricated side wall panel through the fixed steel bars 9 fixedly connected thereto, and a plurality of embedded steel plates 7 are longitudinally distributed along the end surface of the prefabricated side wall panel. Figure 2 , Figure 2 The present invention is a side view of a multi-storey container house of a modular integrated building. The embedded steel plates 7 are embedded in the outer edge positions of multiple prefabricated side wall panels and prefabricated exterior wall panels 3. The connection strength between the embedded steel plates 7 and their embedded positions is enhanced by fixed connection with multiple fixed steel bars 9 embedded in the multiple prefabricated side wall panels and prefabricated exterior wall panels 3. One end of the multiple fixed steel bars 9 connected to the embedded steel plates 7 is longitudinally distributed along the end face of the prefabricated side wall panel.

[0031] Embodiment 2:

[0032] The present invention also provides a method for constructing a multi-storey container house of a modular integrated building, which is used for constructing a multi-storey container house of a modular integrated building. Figure 5 and Figure 6 Specifically, the construction method of the multi-storey container house of the modular integrated building includes the following steps: S1. Make a container house unit. S11. Make a prefabricated bottom plate 1, a prefabricated top plate 2, a prefabricated exterior wall plate 3 and a plurality of prefabricated side wall plates, wherein a prefabricated steel plate 7 is embedded on each end face between two prefabricated side wall plates connected to each other, and between the prefabricated side wall plates connected to each other and the prefabricated exterior wall plates 3, and a plurality of stirrups 81 are embedded at longitudinal intervals on the upper edge of the outer surface of the prefabricated side wall plates with a prefabricated steel cage 8. S12. Place the prefabricated bottom plate 1 at the bottom end of the tooling platform, install the prefabricated top plate 2 to the top end of the tooling platform, splice the prefabricated exterior wall plate 3 and a plurality of prefabricated side wall plates to the tooling platform, and connect the prefabricated bottom plate 1, the prefabricated top plate 2, the prefabricated exterior wall plate 3 and a plurality of prefabricated side wall plates by pouring concrete. S13. A plurality of stirrups 81 and the surfaces of a plurality of prefabricated side wall plates are combined to form a cavity, and a plurality of vertical bars 82 are fixed in the cavity to form a steel cage 8. S14. The container house unit is completed. S2. Make a multi-storey container house. Transport multiple container house units to the construction site, place multiple container house units at designated locations, and arrange multiple container house units into a multi-storey structure in the horizontal and vertical directions. The first prefabricated side wall panel 4 and the third prefabricated side wall panel 6 and the second prefabricated side wall panel 5 in another container house unit adjacent to the left and right form a casting space at the corner. The upper and lower adjacent second prefabricated side wall panels 5 and the outer templates form a casting space. Pour concrete into the casting space to form a multi-storey container house.

[0033] Specifically, when the prefabricated bottom plate 1, the prefabricated top plate 2, the prefabricated exterior wall panel 3 and a plurality of prefabricated side wall panels are mass-produced in the factory, before pouring the concrete, the connected end faces of the prefabricated exterior wall panel 3 and the plurality of prefabricated side wall panels are pre-embedded with embedded steel plates 7 with fixed steel bars 9, and a plurality of stirrups 81 are pre-embedded on the outer sides of the prefabricated side wall panels. After the prefabricated bottom plate 1, the prefabricated top plate 2, the prefabricated exterior wall panel 3 and the multiple prefabricated side wall panels are manufactured, they need to be spliced ​​together to form a container room. During the splicing process, a tooling platform is required. The tooling platform is the internal template required for splicing. The prefabricated bottom plate 1, the prefabricated top plate 2, the prefabricated exterior wall panel 3 and the multiple prefabricated side wall panels can be spliced ​​together into a container room through the tooling platform. The prefabricated bottom plate 1 is placed on the bottom end of the tooling platform, and the prefabricated exterior wall panel 3 and the multiple prefabricated side wall panels are installed on the sides of the tooling platform in turn. The connected prefabricated exterior wall panels 3 and the multiple prefabricated side wall panels are connected by welding the embedded steel plates 7, and the prefabricated bottom plate 1 is connected to the prefabricated exterior wall panels 3 and the multiple prefabricated side wall panels by concrete. The panels are connected, and then the prefabricated top plate 2 is placed on the top of the tooling platform, and the prefabricated top plate 2 is connected with the prefabricated exterior wall panels 3 and multiple prefabricated side wall panels by concrete, and the tooling platform is taken out through the hole in the container house, and multiple vertical reinforcements 82 are fixed to the cavity formed by the surface of the prefabricated side wall panels and the stirrups 81 by welding or binding, and the finished container house is transported to the site, the container houses are placed horizontally, and concrete is poured between multiple container houses, and the container houses are connected horizontally, and the upper container houses are aligned with the lower container houses one by one, and concrete is poured again. The steps of placing the upper container houses and connecting them with the lower container houses are repeated until the predetermined floor height is reached, and finally a multi-story container house building is formed.

[0034] Furthermore, in step S11, a steel mesh 11 extending in the up-down direction is further provided inside the prefabricated exterior wall panels 3 and the plurality of prefabricated side wall panels. When the prefabricated exterior wall panels 3 and the plurality of prefabricated side wall panels are not poured with concrete, the fixed steel bars 9 are fixed to the steel mesh 11, and one side of the stirrups 81 is fixed to the steel mesh 11. Before pouring the prefabricated exterior wall panels 3 and the plurality of prefabricated side wall panels, the steel mesh 11 is placed in the formwork of the prefabricated exterior wall panels 3 and the plurality of prefabricated side wall panels, and the fixed steel bars 9 and one side of the stirrups 81 are tied or welded to the steel mesh 11.

[0035] Further, refer to Figure 5 In step S12, when the prefabricated bottom plate 1 is placed on the tooling platform, the prefabricated bottom plate 1 and the prefabricated top plate 2 are pre-embedded with distribution steel bars 10 extending outward in the horizontal direction, and the distribution steel bars 10 are fixedly connected to the steel meshes 11 on the prefabricated exterior wall panels 3 and the plurality of prefabricated side wall panels, and the steel meshes 11 and the distribution steel bars 10 are fixed by cast-in-place concrete. The ends of the distribution steel bars 10 extending in the horizontal direction are L-shaped, so the distribution steel bars 10 can be welded or tied to the steel meshes 11 extending in the vertical direction. After being fixed, the exposed steel bars are wrapped by pouring concrete and the prefabricated exterior wall panels 3 and the plurality of prefabricated side wall panels are fixedly connected to the prefabricated bottom plate 1.

[0036] Furthermore, in step S2, when multiple container houses are connected horizontally, there is a spaced area between the second precast side wall panel 5 and the third precast side wall panel 6. The third precast side wall panel 6 is connected to the first precast side wall panel 4 in one of the container houses in the horizontal direction. When the container houses are connected in the left-right direction, the third precast side wall panel 6 is connected to the first precast side wall panel 4 on one side. Since there is a spaced area between the second precast side wall panel 5 and the third precast side wall panel 6, the connection between the third precast side wall panel 6 and the first precast side wall panel 4 is not complete, forming an unconnected area of a certain size. This unconnected area can be opened up to be used as a passage for the left-right container houses or as door and window openings for the containers at the edge positions. Even if no specific function is selected, a certain amount of concrete can be saved.

[0037] Furthermore, in step S2, when multiple container houses are connected vertically, the upper and lower container houses are in an aligned state. The vertical bars 82 in the lower container house extend into the bottom of the stirrups 81 in the upper container house to form an overlapping part of the vertical bars 82 in the upper and lower container houses. Concrete is poured to connect the vertical bars 82 in the upper and lower container houses. When the upper and lower container houses are in a one-to-one alignment state, the steel cages 8 in the upper and lower layers are also aligned vertically. Therefore, there is an overlapping part between the vertical bars 82 in the lower container house and the vertical bars 82 in the upper container house. This overlapping part is connected by concrete, enhancing the integrity of the upper and lower container houses.

[0038] In the description of the present invention, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, the meaning of "a plurality of" is two or more unless otherwise specifically defined.

[0039] In the present invention, unless otherwise clearly specified and defined, the terms such as "installation", "connection", "connection", "fixation" and the like should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral body; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium; it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present invention, unless otherwise clearly specified or limited, when a first feature is "on" or "under" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, when a first feature is "above", "over" or "on top of" a second feature, it may mean that the first feature is directly above or obliquely above the second feature, or simply indicates that the horizontal height of the first feature is higher than that of the second feature. When a first feature is "under", "beneath" or "underneath" a second feature, it may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the horizontal height of the first feature is lower than that of the second feature.

[0041] In the description of this specification, the description of terms such as "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0042] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A multi - layer container house of a modular integrated building, characterized in that: Each floor of container houses includes at least one container house unit; The container house unit includes a precast bottom plate (1), a precast top plate (2), precast exterior wall panels (3), and a plurality of precast side wall panels arranged in a hexahedron layout, where: Between two adjacent precast side wall panels and between the adjacent precast side wall panel and the precast exterior wall panel (3), they are welded and connected through embedded steel plates (7) in their respective end faces. The precast top plate (2) and the precast bottom plate (1) are connected to the precast exterior wall panel (3) and the plurality of precast side wall panels through steel bars and cast-in-place concrete plates wrapping the steel bars; At least one of the precast side wall panels is provided with a steel reinforcement cage (8) on the outside. The steel reinforcement cage (8) includes a plurality of stirrups (81) embedded in the adjacent precast side wall panel on one side and distributed at intervals longitudinally, and a plurality of vertical bars (82) fixed inside the stirrups (81). The vertical bars (82) protrude from the precast top plate (2); In each of two adjacent upper and lower container house units, the steel reinforcement cages (8) in the upper and lower container house units are arranged corresponding to each other up and down. The lower vertical bars (82) extend into the area where the bottoms of the upper vertical bars (82) are located, and the corresponding steel reinforcement cages (8) are filled with concrete.

2. The multi - layer container house of a modular integrated building according to claim 1, characterized in that: The plurality of precast side wall panels include a first precast side wall panel (4), a second precast side wall panel (5), and a third precast side wall panel (6), where: Both the precast exterior wall panel (3) and the second precast side wall panel (5) are bent and located on two perpendicular vertical planes. One end of the third precast side wall panel (6) and one end of the precast exterior wall panel (3), the other end of the precast exterior wall panel (3) and one end of the first precast side wall panel (4), and one end of the first precast side wall panel (4) and one end of the second precast side wall panel (5) are all welded and connected through the embedded steel plates (7) in their respective end faces. The other end of the third precast side wall panel (6) and the other end of the second precast side wall panel (5) are spaced apart; The steel reinforcement cage (8) is provided on the outside of one end of the second precast side wall panel (5) connecting the first precast side wall panel (4), on the outside of one end of the third precast side wall panel (6) connecting the precast exterior wall panel (3), and on the outside of the corner of the second precast side wall panel (5).

3. The multi - layer container house of a modular integrated building according to claim 1, characterized in that: The plurality of stirrups (81) are distributed at intervals longitudinally along the precast side wall panel to form multiple columns. The plurality of stirrups (81) and the precast side wall panel form multiple cavities, and the plurality of vertical bars (82) are distributed inside the cavities.

4. The multi - layer container house of a modular integrated building according to claim 3, characterized in that: The vertical bars (82) are divided into a first straight portion, a folded portion, and a second straight portion. The first straight portion is located at the edge of the cavity. The first straight portion protrudes from the precast top plate (2). The first straight portion extends downward to the folded portion. The folded portion extends toward the center of the cavity to the second straight portion. The second straight portion extends downward to the precast bottom plate (1). The second straight portion is located inside the first straight portion of the lower steel reinforcement cage (8).

5. The multi - layer container house of a modular integrated building according to claim 1, characterized in that: The embedded steel plate (7) is embedded in the prefabricated side wall panel via a fixed steel bar (9) fixedly connected thereto, and a plurality of the embedded steel plates (7) are longitudinally distributed along the end surface of the prefabricated side wall panel.

6. A construction method of the multi - layer container house of a modular integrated building according to any one of claims 1 - 5, characterized in that, The method comprises the following steps: S1, making container house unit; S11, manufacturing a prefabricated bottom plate (1), a prefabricated top plate (2), a prefabricated exterior wall plate (3) and a plurality of prefabricated side wall plates, wherein a prefabricated steel plate (7) is pre-embedded on the end faces of two pre-connected prefabricated side wall plates and between a pre-connected prefabricated side wall plate and a prefabricated exterior wall plate (3), and a plurality of stirrups (81) are pre-embedded at intervals in the longitudinal direction on the outer side faces of the prefabricated side wall plates pre-arranged with a steel cage (8); S12, placing the prefabricated bottom plate (1) at the bottom of the tooling platform, installing the prefabricated top plate (2) at the top of the tooling platform, splicing the prefabricated exterior wall plate (3) and a plurality of prefabricated side wall plates onto the tooling platform, and connecting the prefabricated bottom plate (1), the prefabricated top plate (2), the prefabricated exterior wall plate (3), and the plurality of prefabricated side wall plates by pouring concrete; S13, a plurality of stirrups (81) and the surfaces of a plurality of prefabricated side wall panels are combined to form a cavity, and a plurality of vertical bars (82) are fixed in the cavity to form a steel cage (8); S14, the container house unit is completed; S2, making multi-storey box houses; The plurality of container house units are transported to a construction site, placed at designated locations, and arranged in a multi-layer structure in the horizontal and vertical directions. The first prefabricated side wall panel (4) and the third prefabricated side wall panel (6) in another container house unit adjacent to the left and right form a casting space at the corner with the second prefabricated side wall panel (5). The upper and lower adjacent second prefabricated side wall panels (5) and the outer formwork form a casting space. Concrete is poured into the casting space to form a multi-layer container house.

7. The construction method of the multi - layer container house of a modular integrated building according to claim 6, characterized in that: In step S11, a steel mesh (11) extending in the up-down direction is further provided inside the prefabricated exterior wall panel (3) and the plurality of prefabricated side wall panels. When the prefabricated exterior wall panel (3) and the plurality of prefabricated side wall panels are not poured with concrete, the fixed steel bars (9) are fixed to the steel mesh (11), and one side of the stirrups (81) is fixed to the steel mesh (11).

8. The construction method of the multi - layer container house of a modular integrated building according to claim 6, characterized in that: In step S12, when the prefabricated bottom plate (1) is placed on the tooling platform, the prefabricated bottom plate (1) and the prefabricated top plate (2) are pre-embedded with distribution steel bars (10) extending outward in a horizontal direction, and the distribution steel bars (10) are fixedly connected to the steel meshes (11) on the prefabricated exterior wall panels (3) and the plurality of prefabricated side wall panels, and the steel meshes (11) and the distribution steel bars (10) are fixed by cast-in-place concrete.

9. The construction method of the multi - layer container house of a modular integrated building according to claim 6, characterized in that: In step S2, when a plurality of the container houses are connected left and right, the second prefabricated side wall panels (5) and the third prefabricated side wall panels (6) have a spacing area, and the third prefabricated side wall panels (6) are connected to the first prefabricated side wall panels (4) in the container house on one side in the horizontal direction.

10. The construction method of the multi-layer container house of the modular integrated building according to claim 6, characterized in that: In step S2, when multiple said container houses are connected up and down, the upper and lower layer container houses are in an aligned state. The vertical bars (82) in the lower layer container house extend into the bottom of the stirrups (81) in the upper layer container house to form an overlapping part of the vertical bars (82) in the upper and lower layer container houses, and concrete is poured to connect the vertical bars (82) in the upper and lower container houses.

Images