阅读说明：本技术 一种叠合楼板和建筑物以及用于制备叠合楼板的框架 (Composite floor slab, building and frame for preparing composite floor slab ) 是由 卢旦 刘智龙 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种用于制备叠合楼板的框架,将现有技术中刚性的搭接钢筋设置为柔性搭接件结构,在施工时可以很方便的调节柔性搭接件的位置,解决了现有技术中由于检查产生遗漏或者生产时候钢筋摆放不严谨,从而造成现场依然存在钢筋碰撞,使得施工人员在吊装预制叠合楼板时非常不方便,严重影响施工效率等问题。一旦在施工现场发现由于检查遗漏或者生产时用于搭接的结构摆放不严谨,可以调整柔性搭接件的位置。本发明提出的方案有效减少了现场调整钢筋位置的工序,减小了施工难度,提高了施工效率。本发明还提出一种叠合楼板,包括所述框架。本发明还提出一种建筑物,包括叠合梁以及所述叠合楼板。(The invention discloses a frame for preparing a composite floor slab, which is characterized in that rigid lap-jointed steel bars in the prior art are arranged into a flexible lap-jointed part structure, so that the position of a flexible lap-jointed part can be conveniently adjusted during construction, and the problems that steel bars still collide on site due to omission caused by inspection or untight placement of the steel bars during production, construction personnel are very inconvenient to hoist the prefabricated composite floor slab, the construction efficiency is seriously influenced and the like in the prior art are solved. The position of the flexible lap joint can be adjusted once the construction site finds that the structures for lap joint are loosely placed due to inspection omission or production. The scheme provided by the invention effectively reduces the working procedure of adjusting the position of the reinforcing steel bar on site, reduces the construction difficulty and improves the construction efficiency. The invention also provides a composite floor slab comprising the frame. The invention also provides a building which comprises the composite beam and the composite floor slab.)

1. A frame for preparing a composite floor slab is characterized by comprising a reinforcing mesh, truss reinforcing steel bars and flexible lap joints;

The number of the truss reinforcing steel bars is multiple, and the plurality of truss reinforcing steel bars are arranged at intervals in an aligned mode along a first direction;

The reinforcing mesh penetrates through the truss reinforcing steel bars, and the plane of each truss reinforcing steel bar is perpendicular to the plane of the reinforcing mesh;

The flexible overlapping pieces are arranged along the outer sides of the reinforcing mesh at intervals and connected with the reinforcing mesh, the side edge of the frame where the flexible overlapping pieces are located is a connecting edge, and the connecting edge is used for being connected with a laminated floor slab or a laminated beam.

2. a framework for use in the preparation of a composite floor slab as claimed in claim 1, wherein said flexible straps comprise wire ropes, said wire ropes being disposed along the outside of said mesh reinforcement and connected to said mesh reinforcement.

3. A framework for use in the preparation of a composite floor slab as claimed in claim 2, wherein said wire rope is one in number.

4. A framework for use in the preparation of a composite floor according to claim 3, wherein said wire rope has a plurality of overlapping sections and a plurality of connecting sections, one connecting section being provided between two adjacent overlapping sections, said overlapping sections being exposed from said mesh reinforcement and adapted to overlap with said ground and said floor or composite beams, said connecting sections being provided on said mesh reinforcement, said overlapping sections being U-shaped.

5. A framework for use in the preparation of a composite floor slab as claimed in claim 2, wherein said wire ropes are two in number.

6. A framework for use in the preparation of a composite floor slab as defined in claim 5, wherein two of said steel cords are spaced apart along said connecting edge on said steel mesh, each of said steel cords having a plurality of overlapping sections and a plurality of connecting sections, one of said connecting sections being disposed between two adjacent ones of said overlapping sections, said overlapping sections being exposed from said steel mesh and adapted to overlap said ground and said floor slab or composite beam, said connecting sections being disposed on said steel mesh, said overlapping sections being U-shaped.

7. a framework for use in the preparation of a composite floor slab as claimed in claim 2, wherein said plurality of steel cords is plural.

8. a framework for use in the preparation of a composite floor according to claim 7, wherein a plurality of said steel cords are spaced apart along said connecting edges on said steel mesh, each of said steel cords having at least one overlapping section exposed from said steel mesh and adapted to overlap said ground and said floor or composite beams, and at least one connecting section provided on said steel mesh, said overlapping section being U-shaped.

9. a framework for use in the preparation of a composite floor slab as defined in claim 1, wherein said mesh reinforcement includes a first distribution of reinforcing bars and a second distribution of reinforcing bars, each of said first distribution of reinforcing bars and said second distribution of reinforcing bars being plural in number;

The first distributed steel bars are arranged in an interval alignment mode, the second distributed steel bars are arranged in an interval alignment mode, and the first distributed steel bars and the second distributed steel bars are arranged perpendicularly to each other;

The first distribution rebar passes through the truss rebar.

10. a laminated floor slab including a framework as claimed in any one of claims 1 to 9 for use in the preparation of laminated floor slabs.

11. A composite floor slab as claimed in claim 10, further including a concrete layer, said concrete layer being adapted to be cast on said frames, said rebar grid and said truss rebar being disposed within said concrete layer.

12. a building comprising a composite beam and a composite floor slab as claimed in any one of claims 10 and 11, said composite beam having a stirrup partially exposed outside said composite beam and adapted to be connected to said flexible overlapping element.

Technical Field

The invention belongs to the technical field of building engineering, and particularly relates to a composite floor slab, a building and a framework for preparing the composite floor slab.

Background

Disclosure of Invention

The invention aims to provide a composite floor slab, a building and a framework for preparing the composite floor slab, which are used for solving the problems that rib collision is generated in the prior art, so that a constructor is very inconvenient to hoist the prefabricated composite floor slab, and the construction efficiency is seriously influenced.

In order to solve the above technical problems, a first aspect of the present invention provides a framework for manufacturing a laminated floor slab, comprising a mesh reinforcement, truss reinforcements, and flexible joints;

The number of the truss reinforcing steel bars is multiple, and the plurality of truss reinforcing steel bars are arranged at intervals in an aligned mode along a first direction;

The reinforcing mesh penetrates through the truss reinforcing steel bars, and the plane of each truss reinforcing steel bar is perpendicular to the plane of the reinforcing mesh;

The flexible overlapping pieces are arranged along the outer sides of the reinforcing mesh at intervals and connected with the reinforcing mesh, the side edge of the frame where the flexible overlapping pieces are located is a connecting edge, and the connecting edge is used for being connected with a laminated floor slab or a laminated beam.

Optionally, the flexible overlapping element comprises a steel wire rope, and the steel wire rope is arranged along the outer side of the steel mesh and connected with the steel mesh.

optionally, the number of the steel wire ropes is one.

Optionally, wire rope is in follow on the reinforcing bar net the connection edge is S type distribution, wire rope has a plurality of overlap joint sections and a plurality of linkage segment, two adjacent all have one between the overlap joint section the linkage segment, the overlap joint section expose outside the reinforcing bar net and be used for with ground and floor or superposed beams overlap joint, the linkage segment sets up on the reinforcing bar net, the overlap joint section is the U type.

Optionally, the number of the steel wire ropes is two.

optionally, two wire rope is in along the steel bar net the connection edge interval sets up, every wire rope all has a plurality of overlap joint sections and a plurality of linkage segment, two adjacent all have one between the overlap joint section the linkage segment, the overlap joint section expose the steel bar net outside and be used for with ground and floor or superposed beam overlap joint, the linkage segment sets up on the steel bar net, the overlap joint section is the U type.

optionally, the number of the steel wire ropes is multiple.

optionally, a plurality of the steel wire ropes are arranged on the steel bar net at intervals along the connecting edge, each steel wire rope is provided with at least one lap joint section and at least one connecting section, the lap joint section is exposed outside the steel bar net and is used for lap joint with the ground and the floor slab or the superposed beam, the connecting section is arranged on the steel bar net, and the lap joint section is U-shaped.

Optionally, the reinforcing mesh includes a plurality of first distributed reinforcing bars and a plurality of second distributed reinforcing bars;

The first distributed steel bars are arranged in an interval alignment mode, the second distributed steel bars are arranged in an interval alignment mode, and the first distributed steel bars and the second distributed steel bars are arranged perpendicularly to each other;

the first distribution rebar passes through the truss rebar.

A second aspect of the invention provides a composite floor slab comprising a frame as defined in any one of the preceding features for the preparation of a composite floor slab.

Optionally, the truss structure further comprises a concrete layer, the concrete layer is used for being poured on the framework, and the reinforcing mesh and the truss reinforcing steel bars are arranged in the concrete layer.

A third aspect of the invention provides a building comprising a composite beam having a stirrup partially exposed from the composite beam and adapted to be connected to the flexible overlapping element, and a composite floor slab as described in any of the preceding features.

The invention provides a frame for preparing a composite floor slab, which is different from the prior art in that rigid lap joint steel bars in the prior art are set to be flexible lap joint part structures, the positions of the flexible lap joint parts can be conveniently adjusted during construction, and the problems that steel bars still collide on site due to omission caused by inspection or untight placement of the steel bars during production, so that constructors are very inconvenient to hoist the prefabricated composite floor slab, the construction efficiency is seriously influenced and the like in the prior art are solved. The position of the flexible lap joint can be adjusted once the construction site finds that the structures for lap joint are loosely placed due to inspection omission or production. The scheme provided by the invention effectively reduces the working procedure of adjusting the position of the reinforcing steel bar on site, reduces the construction difficulty and improves the construction efficiency.

The invention also provides a composite floor slab, which comprises the frame, and the flexible lap joint piece is used for replacing the rigid lap joint steel bar of the composite floor slab in the prior art. The process of adjusting the position of the steel bar on site can be effectively reduced, the construction difficulty is reduced, and the construction efficiency is improved.

The invention also provides a building which comprises the composite beam and the composite floor slab.

Drawings

Fig. 1 is a schematic structural diagram of a framework for preparing a laminated floor slab according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of a composite floor slab according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a building according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a building according to another embodiment of the present invention;

10-steel bar mesh, 101-first distributed steel bars, 102-second distributed steel bars, 20-truss steel bars, 30-flexible bridging pieces, 301-bridging sections, 302-connecting sections, 40-concrete layers and 50-superposed beams.

Detailed Description

The following describes in more detail embodiments of the present invention with reference to the schematic drawings. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1, the embodiment of the present invention provides a framework for preparing a laminated floor slab, which includes a mesh reinforcement 10, truss reinforcements 20, and flexible joints 30. The number of the truss reinforcing steel bars 20 is multiple, and the plurality of truss reinforcing steel bars 20 are arranged in an aligned mode at intervals along the first direction. The mesh reinforcement 10 passes through the truss reinforcements 20, and the plane of each truss reinforcement 20 is perpendicular to the plane of the mesh reinforcement 10. The flexible overlapping members 30 are arranged along the outer sides of the reinforcing mesh 10 at intervals and connected with the reinforcing mesh 10, the side edges of the framework where the flexible overlapping members 30 are located are connecting edges, and the connecting edges are used for being connected with a laminated floor slab or a laminated beam. It should be noted that the connecting edges refer to edges of the frame for connecting with other structures (such as other laminated floor slabs or laminated beams), the number of the connecting edges is at least one, and the specific number is selected according to actual needs, and is not limited herein.

Different from the prior art in that, set up rigid overlap joint reinforcing bar into flexible overlap joint 30 structure among the prior art, the position of regulation flexible overlap joint 30 that can be very convenient when the construction has been solved because the inspection produces to omit or the reinforcing bar is put untightly when producing among the prior art to cause the scene still to have the reinforcing bar collision, make constructor very inconvenient when hoist and mount prefabricated coincide floor, seriously influence efficiency of construction scheduling problem. The position of the flexible lap joint 30 can be adjusted once the construction site finds that the structure for the lap joint is loosely laid due to inspection omission or production. The scheme provided by the invention effectively reduces the working procedure of adjusting the position of the reinforcing steel bar on site, reduces the construction difficulty and improves the construction efficiency.

Further, the flexible bridge 30 may be provided as a wire rope, which is disposed along the outside of the mesh reinforcement 10 and is partially connected to the mesh reinforcement 10. The tensile strength and the breaking force of the steel wire rope are close to those of the rigid lapped steel bar, so that the steel wire rope can well replace the rigid lapped steel bar. The steel wire rope is formed by twisting a plurality of high-strength carbon steel wires with the diameter of 0.3-3mm into strands and then twisting the strands around a rope core. The core material of the steel wire rope can be hemp core, asbestos core and metal core, and the rope strands and the number of the wires of the steel wire rope can be three 6 × 19, 6 × 37 and 6 × 61, and the steel wire rope can be selected according to actual requirements in specific application. It should be noted that in the embodiment of the present invention, the flexible overlapping element 30 is configured as a steel wire rope, but is not limited to a steel wire rope, and may be other types of flexible overlapping elements that can meet the requirements, mainly the tensile strength and the breaking force thereof, which are both parameters to meet the construction requirements.

Preferably, the number of the wire ropes may be one. The steel wire ropes are distributed on the steel bar net 10 along the connecting edges in an S shape, each steel wire rope is provided with a plurality of lap joint sections 301 and a plurality of connecting sections 302, one connecting section 302 is arranged between two adjacent lap joint sections 301, each lap joint section 301 is exposed out of the steel bar net 10 and is used for being lapped with the ground and the floor or the superposed beam 50, each connecting section 302 is arranged on the steel bar net 10, and each lap joint section 301 is in a U shape. When the number of the steel wire ropes is one, one steel wire rope is arranged on the steel mesh reinforcement 10 in an S-shaped back and forth penetrating manner, and the steel wire rope is partially exposed out of the steel mesh reinforcement 10 and partially arranged in the steel mesh reinforcement 10. The use of a steel cord makes it possible to make the structure for the overlap joint, i.e. the overlapping section 301, a single piece, which is more stable in structure.

There are many other situations in which the steel cord may be one. For example, the number of the wire ropes may be two. When the number of the steel wire ropes is two, the two steel wire ropes are arranged on the steel bar mesh 10 at intervals and distributed in an S shape along the connecting edge, each steel wire rope is provided with a plurality of lap joint sections 301 and a plurality of connecting sections 302, one connecting section 302 is arranged between two adjacent lap joint sections 301, the lap joint section 301 is exposed outside the steel bar mesh 10 and used for being lapped with the ground and the floor slab or the superposed beam 50, the connecting section 302 is arranged on the steel bar mesh 10, and the lap joint section 301 is in a U shape.

The number of the steel wire ropes may be multiple, when the number of the steel wire ropes is multiple, the multiple steel wire ropes are arranged on the steel mesh reinforcement 10 at intervals and distributed in an S shape along the connecting edge, each steel wire rope has at least one lap joint section 301 and at least one connecting section 302, the lap joint section 301 is exposed outside the steel mesh reinforcement 10 for overlapping with the ground and the floor or the composite beam 50, the connecting section 302 is arranged on the steel mesh reinforcement 10, and the lap joint section 301 is in a U shape.

As shown in fig. 2, in the embodiment of the present invention, the number of the steel cables is 2, only one steel cable is used on the side, and the other steel cable is used in the corner of two adjacent sides, it should be noted that the steel cables in the corner may also share one steel cable with the side. In a specific application, the number of the steel wire ropes should be selected according to actual requirements, and is not limited herein.

optionally, the mesh reinforcement 10 includes a first distribution reinforcement 101 and a second distribution reinforcement 102, and the number of the first distribution reinforcement 101 and the second distribution reinforcement 102 is plural. The first distributed rebars 101 are aligned at intervals, the second distributed rebars 102 are aligned at intervals, the first distributed rebars 101 and the second distributed rebars 102 are perpendicular to each other, and the first distributed rebars 101 penetrate through the truss rebars 20.

The embodiment of the invention also provides a composite floor slab, which comprises the frame for preparing the composite floor slab, wherein the frame is described in any one of the above characteristic descriptions. The concrete layer 40 is used for pouring on the framework, and the reinforcing mesh 10 and the truss reinforcing steel bars 20 are arranged in the concrete layer 40. The composite floor slab is formed by pouring concrete on the frame, and is different from the existing prefabricated composite floor slab in that the flexible lap joint parts 30 (such as steel wire ropes) are adopted for replacing the extending steel bars in the traditional prefabricated composite floor slab, the steel wire ropes can be arranged at the positions, needing to be provided with the steel bars, around the composite floor slab in an S shape when the prefabricated composite floor slab is ready to be poured, the steel wire ropes are used for replacing the extending steel bars of the traditional composite floor slab, then integral pouring is carried out, and the steel wire ropes extending out of the floor slab after pouring can be in a ring shape. The flexible straps 30 are used to replace the rigid lap reinforcement of the prior art composite floor. The process of adjusting the position of the steel bar on site can be effectively reduced, the construction difficulty is reduced, and the construction efficiency is improved.

Embodiments of the present invention also provide a building, comprising a composite beam 50 and a composite floor slab as described in any of the above features, wherein the composite beam 50 has a stirrup, and the stirrup is partially exposed outside the composite beam 50 and is used for connecting with the flexible overlapping element 30. As shown in fig. 3 and 4, when the composite floor slab is hoisted on site, in the process of overlapping with the composite beam 50, the extended annular steel wire rope can be directly sleeved on the stirrup extended from the composite beam 50.

In summary, the invention provides a frame for preparing a composite floor slab, which is different from the prior art in that rigid overlapping steel bars in the prior art are arranged into a flexible overlapping part structure, so that the position of the flexible overlapping part can be conveniently adjusted during construction, and the problems that steel bars still collide on site due to omission during inspection or untight placement of the steel bars during production, so that constructors are very inconvenient to hoist the prefabricated composite floor slab, the construction efficiency is seriously affected and the like in the prior art are solved. The position of the flexible lap joint can be adjusted once the construction site finds that the structures for lap joint are loosely placed due to inspection omission or production. The scheme provided by the invention effectively reduces the working procedure of adjusting the position of the reinforcing steel bar on site, reduces the construction difficulty and improves the construction efficiency.

the invention also provides a composite floor slab, which comprises the frame, and the flexible lap joint piece is used for replacing the rigid lap joint steel bar of the composite floor slab in the prior art. The process of adjusting the position of the steel bar on site can be effectively reduced, the construction difficulty is reduced, and the construction efficiency is improved.

The invention also provides a building which comprises the composite beam and the composite floor slab.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example" or "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.