Composite modular building structure

Abstract

The utility model discloses a composite modular building structure which is formed by splicing modular structures, and each modular structure comprises a sub-stand column, a sub-cross beam and a bearing unit. The sub-stand columns are angle steel structures vertically arranged at intervals, the angle steel structures are arranged on the outer sides of the module structures, and internal corners of the angle steel structures face the exterior of the module structures. The sub-stand columns of the adjacent module structures jointly form a column frame, and concrete is poured into the column frame to form stand columns of the building structure. The sub-beams are arranged along the edges of the top and bottom surfaces of the modular structures, the two ends of each sub-beam are fixedly connected with the two sub-stand columns respectively, the sub-beams of the transversely adjacent modular structures jointly form a beam frame, and concrete is poured into the beam frames to form a beam of the building structure; the bearing units are connected with the sub-stand columns and the sub-cross beams respectively. The steel structure, the prefabricated part and the cast-in-place concrete are combined, the weight of the module structure is reduced, the connection strength between the module structures is enhanced through the cast-in-place concrete and the reinforcing bars, the building integrity is improved, and the combination of the concrete structure and the steel structure is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of modular buildings, and particularly relates to a composite modular building structure. Background Art

[0002] A modular building refers to an assembled building formed by combining factory prefabricated integrated modules on the construction site. The integrated module refers to a three-dimensional space integrated building unit with building use functions. The building unit is prefabricated in the factory and is a three-dimensional space body with integrated functions composed of a main structure, a floor slab, a ceiling, equipment pipelines, and interior decoration components, and meets the performance requirements of various buildings and the performance requirements of hoisting and transportation.

[0003] In the background of long-term use requirements, concrete modules are usually adopted, and wet connections are usually used between concrete modules, that is, concrete is poured between adjacent modules to achieve connection. However, the overall quality of concrete modules is relatively large, and hoisting is difficult. In addition, there are no components such as crossbeams and columns in the building, and the bearing capacity of the modules themselves is used as support, and the building strength is still lower than that of traditional building structures. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a composite modular building structure to solve the problems in the existing modular buildings for long-term use in the above background art, such as relatively large quality, difficult on-site hoisting, lack of crossbeam and column components, and a large difference in strength from traditional buildings.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A composite modular building structure is assembled by module structures. The module structure includes sub-columns, sub-crossbeams, and load-bearing units. The sub-columns are angle steel structures arranged at intervals vertically, and the angle steel structures are arranged on the outside of the module structure, and their internal angles face the outside of the module structure. The sub-columns of adjacent module structures jointly form a column frame, and concrete is poured in the column frame to form the columns of the building structure. The sub-crossbeams are arranged along the edges of the top and bottom surfaces of the module structure, and both ends of the sub-crossbeams are fixedly connected to two sub-columns respectively. The sub-crossbeams of horizontally adjacent module structures jointly form a beam frame, and concrete is poured in the beam frame to form the crossbeams of the building structure. The load-bearing units are respectively connected to the sub-columns and sub-crossbeams, and cast-in-place concrete is filled between the load-bearing units of horizontally adjacent module structures to form the load-bearing walls of the building structure.

[0007] Furthermore, connection parts are arranged on the sub-columns, and the sub-columns of horizontally adjacent module structures are connected into one body through the connection parts; lap bars are welded on the surface of the sub-columns.

[0008] Further, it further includes prefabricated units, which are provided on at least one side of the module structure and are respectively connected to the load-bearing units and the sub-beams. The prefabricated units of the laterally adjacent module structures jointly form prefabricated components.

[0009] Further, the load-bearing unit includes side plates and protrusions; the side plates are arranged corresponding to the load-bearing walls and are respectively connected to the sub-columns and the sub-beams; the protrusions are arranged on the surfaces of the side plates facing the outside of the module structure.

[0010] Further, horizontal bars and vertical bars are arranged between the load-bearing units of the laterally adjacent module structures.

[0011] Further, vertical bars inside the column frame are arranged, and the vertical bars inside the columns adjacent longitudinally are connected by additional bars.

[0012] Further, the connecting parts are connecting plates arranged at intervals, and the connecting plates are connected by bolts.

[0013] Further, it further includes a top plate and a bottom plate; the module structure includes a top plate unit and a bottom plate unit; the top plate unit is a steel bar truss floor slab; the bottom plate unit is a reinforced concrete layer, and floor keels are arranged at intervals inside it.

[0014] Further, the prefabricated component is a combined lightweight wall; the prefabricated units are divided into sub-units and mother units; the laterally adjacent module structures are respectively installed with sub-units and mother units.

[0015] Further, the combined lightweight wall is a light steel keel wall, the sub-unit is a decorative board; the mother unit includes a decorative board and a keel frame, and the sub-unit and the mother unit are assembled to form a light steel keel wall.

[0016] The utility model has the following beneficial effects:

[0017] 1. A composite modular building structure provided by the utility model combines steel structures, prefabricated components and cast-in-place concrete, reduces the weight of the module structure, enhances the connection strength between the module structures through cast-in-place concrete and reinforcement, improves the building integrity, realizes the combination of concrete structures and steel structures, and extends the service life of the building.

[0018] 2. A composite modular building structure provided by the utility model is provided with sub-columns and sub-beams on the module structure. The sub-columns and sub-beams are spliced and concrete is poured to respectively form the columns and beams of the building structure, enabling the modular building to obtain the same connection strength and bearing capacity as a concrete building, and having the advantages of simple installation and high construction efficiency.

[0019] 3. A composite modular building structure provided by the present utility model. The prefabricated components adopt light steel keel walls, which can reduce the amount of on-site concrete pouring, reduce the hoisting weight, and improve the construction speed.

[0020] 4. A composite modular building structure provided by the present utility model. Sub-columns and sub-beams are arranged on the module structure to improve the self-bearing capacity of the module structure and facilitate its hoisting and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a splicing schematic diagram of the module structure on the same floor related to the present utility model;

[0022] Figure 2 It is a schematic diagram of the module structure related to the present utility model;

[0023] Figure 3 It is a plan schematic diagram of the column position related to the present utility model;

[0024] Figure 4 For the present utility model Figure 1 The sectional view taken along line A-A;

[0025] Figure 5 For the present utility model Figure 1 The sectional view taken along line B-B.

[0026] In the figure: 1 - sub-column, 2 - sub-beam, 3 - load-bearing unit, 4 - prefabricated unit, 5 - top plate, 6 - bottom plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Such as Figure 1-5As shown in the figure, a composite modular building structure provided by the utility model is assembled by a number of module structures. The module structure includes a sub-column 1, a sub-beam 2, a bearing unit 3, a prefabricated unit 4, a top plate unit and a bottom plate unit. The sub-columns 1 are vertically arranged at intervals, and the sub-columns 1 of the horizontally adjacent module structures jointly form a column frame. Concrete is poured in the column frame, and the column frame and the cast-in-place concrete jointly form the columns of the building structure. The columns between different floors are connected into one body by cast-in-place concrete. The sub-beams 2 are arranged along the edges of the top and bottom surfaces of the module structure, and both ends of the sub-beams 2 are fixedly connected to the two sub-columns 1 respectively. The sub-beams 2 of the horizontally adjacent module structures jointly form a beam frame. Concrete is poured in the beam frame, and the beam frame and the cast-in-place concrete jointly form the beams of the building structure. The beams on the same floor are connected into one body by cast-in-place concrete. The load-bearing units 3 are respectively connected to the sub-columns 1 and the sub-beams 2. Cast-in-place concrete is filled between the load-bearing units 3 of the horizontally adjacent module structures. The load-bearing units 3 and the cast-in-place concrete jointly form the load-bearing walls of the building structure. The prefabricated units 4 are arranged on at least one side of the module structure and are respectively connected to the load-bearing units 3 and the sub-beams 2. The prefabricated units 4 of the horizontally adjacent module structures jointly form prefabricated components. The top plate 5 unit and the bottom plate 6 unit are respectively arranged at the top and bottom of the module structure.

[0029] The module structure is a rectangular structure. The sub-column 1 and the sub-beam 2 jointly form a rectangular frame. The sub-column 1 is arranged at the vertical side position of the rectangular structure, and the sub-beam 2 is arranged at the horizontal side position of the rectangular structure.

[0030] The cross-section of the column frame located inside the building structure is approximately a closed figure; the cross-section of the main frame located at the edge of the building structure can be a closed figure or an open figure.

[0031] The sub-column 1 is an angle steel structure. The inner angle of the angle steel of the sub-column 1 faces the outside of the module structure. The column frame located at the intersection of two walls includes one sub-column 1; the column frame located at the intersection of three walls includes two sub-columns 1; the column frame located at the intersection of four walls includes four sub-columns 1, and the cross-section of its column frame is approximately rectangular. Stiffening ribs are arranged at intervals on the inner angle side of the sub-column 1 from top to bottom to enhance the structural strength of the sub-column 1.

[0032] As a preferred method, a connecting part is arranged on the sub-column 1. The sub-columns 1 of the horizontally adjacent module structures are connected into one body through the connecting part. The connecting part is a connecting plate arranged at intervals, and the connecting plate is connected by bolts; the connecting part can also be reinforcing bars arranged at intervals, or an inserting structure that cooperates with each other.

[0033] The cross-section of the sub-column 1 can also be set as an arc shape, an acute angle shape, an obtuse angle shape, etc.

[0034] The sub-beam 2 is an angle steel or an I-beam. When the sub-beam 2 is an angle steel, its inner angle faces the outside of the module structure. The beam frame includes two sub-beams 2.

[0035] The load-bearing unit 3 includes side plates and protrusions; the side plates are arranged corresponding to the load-bearing walls and are respectively connected to the sub-columns 1 and the sub-beams 2; the protrusions are arranged on the surfaces of the side plates facing the outside of the module structure, and concrete is poured between the load-bearing units 3 of the laterally adjacent module structures. The side plates are cement base plates, gypsum base plates, metal plates or other interior finish plates for interior decoration. The protrusions are steel bars or steel bar trusses, and the steel bars or steel bar trusses are fixedly connected to the side plates. The load-bearing units 3 of the laterally adjacent module structures are connected by tie bars.

[0036] Cross bars and longitudinal bars are also arranged between the two load-bearing units 3. The cross bars are connected to the adjacent column frames; the longitudinal bars are connected to the longitudinal bars of the upper and lower layer module structures to enhance the integrity between the module structures. When the number of longitudinal bars does not meet the calculation requirements, channel steels are arranged inside the load-bearing walls. The channel steels seal the outer ends of the load-bearing walls away from the columns 1, further connecting the two load-bearing units 3 and enhancing their load-bearing strength.

[0037] Vertical bars are arranged inside the columns 1, and the vertical bars inside the columns are connected to the vertically adjacent vertical bars inside the columns through additional bars. Lap bars are welded on the surfaces of the sub-columns 1. The lap bars are arranged horizontally and are evenly spaced vertically, and their spacing meets the calculation and construction requirements. The sub-columns 1 are connected to the cross bars through the lap bars. Connecting bars are welded on the surfaces of the sub-columns 1 and are connected to the adjacent sub-columns 1 through reinforcement bars.

[0038] The prefabricated component is a composite lightweight wall, preferably a light steel keel wall, and rock wool can be filled inside the light steel keel wall. The prefabricated component is arranged on at least one side of the module structure. The prefabricated unit 4 is divided into a sub-unit and a mother unit, and the sub-unit and the mother unit are assembled to form a light steel keel wall; the laterally adjacent module structures are respectively installed with the sub-unit and the mother unit, and the sub-unit and the mother unit are connected to form a prefabricated component.

[0039] As a preferred method, the sub-unit is a decorative board, and the mother unit includes a decorative board and a keel frame.

[0040] As a preferred method, the mother unit is a light steel keel wall, including a keel frame and decorative boards arranged on both sides of the keel frame. The sub-unit is a reserved installation opening, and the mother unit is embedded in the reserved installation opening of the sub-unit.

[0041] The top plate 5 is a steel bar truss floor slab. After being installed in place, concrete is poured to serve as the top plate of the building structure.

[0042] The bottom plate 6 is a reinforced concrete layer, and floor keels are arranged at intervals inside it. Both ends of the floor keels are fixedly connected to the sub-beams 2. Preferably, the floor keels are of angle steel structure.

[0043] Components such as mechanical and electrical pipelines, windows, and pipes can be fabricated and combined with the module structure in the factory during prefabrication.

[0044] When the side of the module structure serves as the outer side of the building structure, at this time, this side is not assembled with other module structures, and the load-bearing unit 3 inside this side has the same structure as the load-bearing wall structure, and the precast unit 4 inside this side has the same structure as the load-bearing unit 3.

[0045] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A composite modular building structure, characterized in that: It is assembled from module structures. The module structures include sub-columns (1), sub-beams (2) and load-bearing units (3). The sub-columns (1) are angle steel structures arranged at vertical intervals. The angle steel structures are arranged on the outer side of the module structure, and their internal angles face the outside of the module structure. The sub-columns (1) of adjacent module structures jointly form a column frame, and concrete is poured in the column frame to form the columns of the building structure. The sub-beams (2) are arranged along the edges of the top and bottom surfaces of the module structure, and their two ends are respectively fixedly connected to the two sub-columns (1). The sub-beams (2) of horizontally adjacent module structures jointly form a beam frame, and concrete is poured in the beam frame to form the beams of the building structure. The load-bearing units (3) are respectively connected to the sub-columns (1) and sub-beams (2). Cast-in-place concrete is filled between the load-bearing units (3) of horizontally adjacent module structures to form the load-bearing walls of the building structure.

2. The composite modular building structure according to claim 1, characterized in that: Connection parts are arranged on the sub-columns (1), and the sub-columns (1) of horizontally adjacent module structures are connected into one body through the connection parts. Lap bars are welded on the surface of the sub-columns (1).

3. A composite modular building structure according to claim 1, characterized in that: It further includes precast units (4). The precast units (4) are arranged on at least one side of the module structure and are respectively connected to the load-bearing units (3) and sub-beams (2). The precast units (4) of horizontally adjacent module structures jointly form precast components.

4. A composite modular building structure according to claim 1, characterized in that: The load-bearing unit (3) includes side plates and protrusions. The side plates are arranged corresponding to the load-bearing walls and are respectively connected to the sub-columns (1) and sub-beams (2). The protrusions are arranged on the surfaces of the side plates facing the outside of the module structure.

5. A composite modular building structure according to claim 1, characterized in that: Cross bars and longitudinal bars are arranged between the load-bearing units (3) of horizontally adjacent module structures.

6. A composite modular building structure according to claim 1, characterized in that: Vertical bars inside the columns are arranged inside the column frame, and the vertical bars inside the columns adjacent longitudinally are connected by additional bars.

7. A composite modular building structure according to claim 2, characterized in that: The connection parts are connecting plates arranged at intervals, and the connecting plates are connected by bolts.

8. A composite modular building structure according to claim 1, characterized in that: It further includes a top plate (5) and a bottom plate (6). The module structure includes a top plate unit and a bottom plate unit. The top plate unit is a steel bar truss floor slab. The bottom plate unit is a reinforced concrete layer, and floor keels are arranged at intervals inside it.

9. A composite modular building structure according to claim 3, characterized in that: The precast component is a combined lightweight wall. The precast unit (4) is divided into a sub-unit and a mother unit. The sub-units and mother units of horizontally adjacent module structures are respectively installed.

10. A composite modular building structure according to claim 9, characterized in that: The combined lightweight wall is a light steel keel wall. The sub-unit is a decorative board. The mother unit includes a decorative board and a keel frame. The sub-unit and the mother unit are assembled to form a light steel keel wall.

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