CN211523704U - Steel-concrete combined prefabricated bottom plate assembly for laminated slab and wall - Google Patents

Abstract

The invention discloses a steel-concrete combined prefabricated bottom plate assembly for a laminated slab and a wall, which belongs to the technical field of buildings and comprises a lower plate, a profile steel connecting piece and an upper plate, wherein longitudinal steel bars a are fixedly arranged in the lower plate, extend out of the short side direction of the lower plate, a certain inclination angle is arranged on one side of the long side of the lower plate, longitudinal steel bars b are fixedly arranged in the upper plate, do not extend out of the two sides of the upper plate, the profile steel connecting piece is arranged in the middle of the planes of the upper plate and the lower plate, and is provided with a plurality of profile steel connecting pieces at intervals, and the profile steel connecting piece comprises an upper embedded plate, profile steel and a lower embedded plate; the upper and lower plates are made of reinforced concrete respectively and then are welded and connected through steel connecting pieces, the bottom plate is simple and convenient to manufacture and easy to industrially produce, the efficiency can be improved, the working hours can be reduced, the labor cost can be reduced, and meanwhile, the holes between the upper and lower plates are large, so that the pipeline and the steel bars can conveniently pass through.

Description

A steel-concrete composite prefabricated base plate assembly for laminated panels and walls

technical field

The utility model belongs to the technical field of construction, in particular to a steel-concrete composite prefabricated base plate assembly for a laminated board and a wall.

Background technique

With the development of construction industrialization, prefabricated buildings are gradually replacing the ordinary construction methods in the existing technology due to their advantages such as fast construction speed, less restricted by climatic conditions, and labor saving. The floor slabs used in prefabricated buildings use a large number of factory-produced prefabricated ribbed base plates that are spliced to each other, and a layer of concrete is poured on them. After the concrete reaches the design strength, a composite floor slab with two-way reinforcement can be formed. The production of such slabs enables the industrialization of construction.

The existing prefabricated ribbed bottom plate laminates have the following problems and defects: First, the industrialization degree of the bottom plate production is low, the production of the ribs and the holes on the ribs takes a lot of labor, takes a long time, and the cost is high. Second, the holes on the ribs are relatively high. Few, small, under normal circumstances, pipelines cannot cross, but can only be crossed horizontally and vertically, which not only consumes pipelines, but also has right angles, which is not convenient for wires to cross.

Utility model content

The purpose of the present utility model is to provide a steel-concrete composite prefabricated base plate assembly for a laminated board and a wall, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a steel-concrete composite prefabricated bottom plate assembly for a laminated plate and a wall, comprising a lower layer plate, a profiled steel connector, and an upper layer plate, wherein the lower layer plate is fixedly provided with longitudinal steel bars a , the longitudinal reinforcement a protrudes from the short side direction of the lower deck, the long side of the lower deck is provided with a certain angle of inclination, the upper deck is fixed with longitudinal reinforcement b, and the longitudinal reinforcement b does not extend on both sides of the upper deck The profiled steel connectors are arranged in the middle of the planes of the upper and lower boards, and a plurality of profiled steel connectors are arranged at a certain distance. The board is embedded in the upper board, and the lower embedded board is embedded in the lower board. The two sides of the profiled steel are respectively connected with the upper embedded board and the lower embedded board by welding. The vertical fixed connection, and the profile steel and the lower embedded board Welds are formed between them.

Preferably, the profiled steels may be arranged horizontally and vertically in a plane, and may also be arranged in an "eight" shape.

Preferably, holes are formed in the shaped steel connecting piece.

Preferably, the upper-layer pre-embedded plate and the anchor bars are fixedly installed by welding, and the lower-layer pre-embedded plate and the anchor bars are fixed and installed by welding.

Preferably, one side of the lower-layer pre-embedded board is flush with one side of the lower-layer board, and the other side is fixedly connected with two symmetrically arranged anchor bars. One side of the embedded board is flush with one side of the upper board, and the other side is fixedly connected with two symmetrically arranged anchor bars, which are bent after crossing the longitudinal reinforcement b.

Preferably, the profiled steel is one of a steel plate, a round steel pipe, a square steel pipe and a cross-shaped plate.

Compared with the prior art, the beneficial effects of the present utility model are:

The steel-concrete composite prefabricated base plate assembly for the laminated board and wall is made of reinforced concrete for the upper and lower floors respectively, and then welded and connected by steel connectors. , At the same time, the holes between the upper and lower plates are larger, which is convenient for crossing pipelines and steel bars.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings.

FIG. 1 is a schematic structural diagram of a steel-concrete composite prefabricated base plate assembly.

Figure 2 is a front view of the steel-concrete composite precast floor assembly.

Figure 3 is a left side view of the steel-concrete composite prefabricated base plate assembly.

Figure 4 is a schematic cutaway view of a steel-concrete composite prefabricated floor assembly.

Figure 5 is a schematic diagram of the method when the upper embedded plate is provided with anchor bars.

Figure 6 is a schematic diagram of the method when the upper embedded plate is not provided with anchor bars.

FIG. 7 is a schematic diagram of the vertical staggered arrangement of the profile steel connectors.

Figure 8 is a schematic diagram of the "eight" shape arrangement of the profile steel connector.

In the figure: 1. Lower deck; 2. Profiled steel connector; 3. Upper deck; 4. Longitudinal reinforcement a; 5. Upper embedded slab; 6. Profiled steel; 7. Lower embedded slab; Longitudinal reinforcement b; 10. Anchor reinforcement.

Detailed ways

The present utility model will be further described below in conjunction with the embodiments.

The following examples are used to illustrate the present utility model, but cannot be used to limit the protection scope of the present utility model. Conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the concept of the present invention all belong to the scope of protection of the present invention.

Please refer to FIGS. 1-3 , the present utility model provides a steel-concrete composite prefabricated base plate assembly for a laminated board and a wall, comprising a lower board 1, a section steel connecting piece 2, and an upper board 3, and the lower board 1 is fixedly provided with longitudinal steel bars a4, the longitudinal reinforcement a4 protrudes from the short side direction of the lower deck 1, the long side of the lower deck 1 is provided with a certain inclination angle, the upper deck 3 is fixedly provided with longitudinal reinforcement b9, and the longitudinal reinforcement b9 does not extend out of the upper deck 3 by two On the side, the profiled steel connector 2 is arranged in the middle of the plane of the upper board 3 and the lower board 1, and a plurality of profiled steel connectors 2 are arranged at a certain distance. , and the upper embedded board 5 is embedded in the upper board 3, and the lower embedded board 7 is embedded in the lower board 1, and the two sides of the profile steel 6 are respectively perpendicular to the upper embedded board 5 and the lower embedded board 7 by welding. Fixed connection, and a welding seam 8 is formed between the profile steel 6 and the lower embedded plate 7 .

In the above scheme, the long side of the lower deck 1 is provided with a certain inclination angle, which is convenient for the splicing of adjacent base plate components. The upper and lower decks 1 are respectively made of reinforced concrete, and then welded and connected by steel connectors. It is easy for industrial production, which can improve efficiency, reduce man-hours, and reduce labor costs. At the same time, the holes between the upper and lower plates 1 are larger, which is convenient for crossing pipelines and steel bars.

Specifically, the profiled steels 6 may be arranged horizontally and vertically in a plane, and may also be arranged in the shape of an "eight".

Specifically, a hole is formed in the section steel connector 2; by setting the hole, the hole can be passed through by the steel bar or the wire pipe.

Specifically, the upper layer embedded plate 5 and the anchor bars 10 are fixedly installed by welding, and the lower layer embedded plate 7 and the anchor bars 10 are fixedly installed by welding.

Specifically, one side of the lower-layer embedded board 7 is flush with one side of the lower-layer board 1, and the other side is fixedly connected with two symmetrically arranged anchor bars 10. The anchor bars 10 are bent after crossing the longitudinal reinforcement a4, and the upper-layer embedded board One side of 5 is flush with one side of the upper board 3 , and the other side is fixedly connected with two symmetrically arranged anchor bars 10 , and the anchor bars 10 are bent after crossing the longitudinal reinforcement b9 .

Specifically, the section steel 6 is one of a steel plate, a round steel tube, a square steel tube and a cross-shaped plate.

The working principle and use process of the present utility model: when the factory is made, the side of the upper-layer pre-embedded plate 5 fixedly connected with the anchor bars 10 is directly and fixedly connected to the section steel 6, and then the upper-layer pre-embedded plate 5 is placed inside the upper layer plate 3. , and pour the concrete of the upper layer board 3 to realize the embedding of the upper layer embedded board 5, and at the same time, directly place the lower layer embedded board 7 fixedly connected with the anchor bars 10 in the lower layer board 1, and pour the concrete of the lower layer board 1 In order to realize the embedding of the lower embedded board 7, after the concrete of the upper board 3 and the lower board 1 has reached a certain strength, the lower end of the profile steel 6 and the lower embedded board 7 are fixedly connected through the welding seam 8 to form an overall stress steel-concrete composite prefabricated base plate assembly.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A steel-concrete composite prefabricated base plate assembly for a laminated board and a wall, comprising a lower deck (1), a profiled steel connector (2), and an upper deck (3), characterized in that: the lower deck (1) is fixed in A longitudinal reinforcing bar a (4) is provided, the longitudinal reinforcing bar a (4) protrudes from the short side direction of the lower deck (1), the long side of the lower deck (1) is provided with a certain inclination, and the upper deck (1) is provided with a certain inclination angle. 3) Longitudinal steel bars b (9) are fixedly arranged in the middle, and the longitudinal steel bars b (9) do not protrude from both sides of the upper board (3), and the profiled steel connectors (2) are arranged on the upper board (3) and the lower board (1). ) in the middle of the plane, and a plurality of profiled steel connectors (2) are arranged at a certain distance, the profiled steel connectors (2) include an upper-layer embedded plate (5), a profiled steel (6), and a lower-layer embedded plate (7), and The upper-layer pre-embedded plate (5) is embedded in the upper-layer plate (3), and the lower-layer pre-embedded plate (7) is embedded in the lower-layer plate (1). 5) The lower-layer pre-embedded plate (7) is vertically fixed and connected by welding, and a welding seam (8) is formed between the profile steel (6) and the lower-layer pre-embedded plate (7). 2 . The steel-concrete composite prefabricated base plate assembly for a laminated board and a wall according to claim 1 , wherein the profiled steel ( 6 ) can be arranged horizontally and vertically in a plane, and can also be arranged in an "eight" shape. 3 . 3 . The steel-concrete composite prefabricated bottom plate assembly for a laminated board and a wall according to claim 1 , wherein a hole is formed in the shaped steel connecting piece ( 2 ). 4 . 4. The steel-concrete composite prefabricated base plate assembly for laminated board and wall according to claim 1, characterized in that: the upper-layer pre-embedded plate (5) and the anchor bars (10) are fixedly installed by welding, and the lower-layer pre-embedded plate (5) is fixedly installed by welding The plate (7) and the anchor rib (10) are fixedly installed by welding. 5. The steel-concrete composite prefabricated base plate assembly for laminated board and wall according to claim 1, characterized in that: one side of the lower-layer pre-embedded board (7) is flush with one side of the lower-layer board (1), and The other side is fixedly connected with two symmetrically arranged anchor bars (10), the anchor bars (10) are bent after crossing the longitudinal reinforcement a (4), and one side of the upper-layer pre-embedded board (5) is connected to the upper-layer board (3). ) is flush with one side, and the other side is fixedly connected with two symmetrically arranged anchor bars (10), the anchor bars (10) are bent after crossing the longitudinal reinforcement b (9). 6 . The steel-concrete composite prefabricated base plate assembly for a laminated board and a wall according to claim 1 , wherein the profiled steel ( 6 ) is one of a steel plate, a round steel pipe, a square steel pipe and a cross-shaped plate. 7 .

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