CN204266444U - A kind of profiled sheet and composite floor - Google Patents

Abstract

The utility model discloses a profiled steel plate. The profiled steel plate includes a load-bearing base plate. Both ends of the load-bearing base plate are respectively formed with a male rib and a female rib bent toward the same side of the load-bearing base plate. The male rib and the female rib form a Overlap fit, at least one wiring channel is also formed on the bearing base plate, the wiring channel and the male and female ribs are located on the same side of the bearing base plate, the lower part of the wiring channel is open, and a cover is provided at the opening At the same time, it also discloses a combined floor slab formed by the above-mentioned multiple profiled steel plates. Two adjacent profiled steel plates are connected by male ribs and female ribs. A concrete structure layer is poured on the profiled steel plates, and a threading pipe is arranged in the concrete structure layer. , the threading pipe is connected with the outlet hole. The profiled steel plate provided by the utility model solves the unique structural function of the traditional composite floor, and realizes the combination of the structural function and the electromechanical wiring function of the profiled steel plate in the composite floor.

Description

A profiled steel plate and composite floor slab

technical field

The utility model relates to the technical field of buildings, in particular to a profiled steel plate and a composite floor.

Background technique

After decades of research and engineering practice, steel-concrete composite structures have been popularized and used in many fields such as long-span structures, high-rise and super high-rise buildings, and large bridge structures. The development of composite structure system is the core of today's super high-rise steel structure. For example: composite load-bearing members (composite beams, composite floors, composite trusses, composite columns, etc.) and composite lateral members (composite diagonal braces, composite shear walls) in composite systems. The combined structure can give full play to the characteristics of different materials and overcome the inherent shortcomings of traditional structural systems. Profiled steel plate-concrete composite floor, composite floor refers to a force-bearing member that combines profiled steel plate and concrete to work together, referred to as composite floor. At present, the traditional composite floor profiled steel composite floor has only a single structural function, which can replace the stressed steel bar in the floor structure and act as a formwork during the construction stage.

For example, the Chinese patent document CN 202500249 discloses a combined floor slab with Chinese profiled steel plates, which discloses a ceiling, steel beams, profiled steel plates, cast-in-place concrete, and a mortar surface. The profiled steel plate adopts a closed trapezoidal steel plate with a thickness of 6-8mm. The I-beam is set under the profiled steel plate as a bracket, and the ceiling is set under the I-beam. The ceiling is fixed on the profiled steel plate by screws. Above the profiled steel plate is For cast-in-place concrete, the profiled steel plate is used as a permanent formwork for cast-in-place concrete floor slabs in the form of lining plates, with complex structures and single functions.

Utility model content

For this reason, in order to avoid the pre-embedding of circuit wires when pouring concrete, and reduce the technical problem of sacrificing the clear floor height of traditional floor wiring, the utility model provides a profiled steel plate and a composite floor slab.

The adopted technical scheme is as follows:

A profiled steel plate, the profiled steel plate includes a load-bearing base plate, the two ends of the load-bearing base plate are respectively formed with male ribs and female ribs bent toward the same side of the load-bearing base plate, and the male ribs and female ribs form Overlap fit, at least one wiring channel is also formed on the bearing base plate, the wiring channel and the male and female ribs are located on the same side of the bearing base plate, and the lower part of the wiring channel is open, so The opening is provided with a cover plate.

Two wiring channels are formed on the bearing base plate, namely a first wiring channel and a second wiring channel.

The length direction of the wiring channel is perpendicular to the length direction of the bearing bottom plate, and the first wiring channel and the second wiring channel are arranged in parallel.

Wire outlet holes are formed on the upper parts of the first wiring channel and the second wiring channel.

A plurality of anti-slip protrusions are formed on the outer surfaces of both ends of the wiring channel.

A plurality of load-bearing ribs are formed on the load-bearing bottom plate, the multiple load-bearing ribs are distributed at intervals, and are arranged on the same side of the load-bearing bottom plate as the wiring channel.

The bearing ribs are vertically arranged on the bearing base plate, and the length direction of the bearing ribs is perpendicular to the length direction of the bearing base plate.

The free end of the bearing rib forms a bearing plane parallel to the bearing base plate, and the upper dimension of the bearing rib is larger than the lower dimension in the length direction of the bearing base plate.

A sealing slot is formed at the opening of the wiring channel, and both sides of the cover plate are engaged with the sealing slot.

The utility model also provides a combined floor slab, comprising a plurality of the above-mentioned profiled steel plates, two adjacent profiled steel plates are connected by the male rib and the female rib, and the concrete structure layer is poured on the profiled steel plate , the concrete structure layer is provided with a threading pipe, and the threading pipe communicates with the outlet hole.

Compared with the prior art, the utility model has the following beneficial effects:

A. The profiled steel plate provided by this utility model solves the unique structural function of the traditional composite floor, and realizes the combination of the structural function and the electromechanical wiring function of the profiled steel plate in the composite floor, that is, it is permanent in the construction stage The formwork provides a construction platform for the steel structure construction stage; the use stage replaces the positive moment steel bars on the lower floor of the floor to provide good tensile strength and overall rigidity for the floor use stage, the corrosion resistance and fire resistance limit of the structure, and at the same time meet the indoor signal line of the upper floor The wiring function of the wiring and the lower floor chandeliers and other lines;

B. The profiled steel plate provided by the utility model is provided with wiring channels, which can avoid pre-embedding circuit wires when pouring concrete, and provide good wiring channels for super high-rise building floors. The feeder of strong and weak current main line is adopted, and the function of branch line and outgoing line can reduce the concrete chiseling during the construction of traditional electrical wiring; save the clear height sacrificed by the traditional wiring raised floor, and give the owner a larger indoor environment;

C. The utility model is equipped with a cover plate at the opening of the wiring channel. When the line needs to be modified, the line can be modified only by opening the cover plate without destroying the floor, which can reduce the cost of the later floor reconstruction line, and the operation is very convenient .

Description of drawings

In order to make the content of the utility model easier to understand clearly, the utility model will be described in further detail below according to specific embodiments of the utility model in conjunction with the accompanying drawings, wherein

Fig. 1 is the schematic diagram of the three-dimensional structure of the profiled steel plate provided by the utility model;

Fig. 2 is the front view of the profiled steel plate in Fig. 1;

Fig. 3 is a schematic structural view of the cover plate in Fig. 1;

Fig. 4 is a sectional view of the composite floor structure provided by the utility model.

In the figure: 1-loading bottom plate; 2-male rib; 3-female rib; 4-wiring channel, 41-first wiring channel, 42-second wiring channel; 5-opening; 6-cover plate; 7-outlet hole ; 8-anti-slip protrusion; 9-bearing rib; 91-bearing plane; 10-sealing slot; 20-concrete structure layer; 30-threading pipe.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

As shown in the structure of Figure 1, the utility model provides a profiled steel plate. The profiled steel plate includes a load-bearing base plate 1, and the two ends of the load-bearing base plate 1 are respectively formed with a male rib 2 and a female rib bent toward the same side of the load-bearing base plate 1. 3. The male rib 2 and the female rib 3 form a lap fit, which is used for the connection between two adjacent profiled steel plates; there are also two wiring channels 4 formed on the load-bearing base plate 1, and the wiring channel 4 is connected to the male rib 2, The female ribs 3 are all located on the same side of the load-bearing bottom plate 1 , and the lower opening 5 of the wiring channel 4 is provided with a cover plate 6 at the opening 5 . The wiring channel 4 here can be provided with a plurality according to actual needs, and the quantity of the wiring channel 4 in Fig. 1 is not used as the limitation of the present invention, and the profiled steel plate is formed into the male rib 2, the female rib 3 and the wiring channel 4 at one time.

A sealing slot 10 is formed at the opening of the wiring channel 4 , as shown in FIG. 3 , and both sides of the cover plate 6 are engaged with the sealing slot 10 . The structure of the cover plate is shown in FIG. 3 .

Two wiring channels 4 are formed on the load-bearing base plate 1 shown in FIGS. Weak current) route the wires in one of the wiring channels, and route the office lines (such as data lines, telephone lines, etc.) in the other wiring channel to avoid signal interference with each other and ensure the safety of personnel during maintenance. The length direction of the wiring channel 4 shown in Fig. 1 is perpendicular to the length direction of the bearing base 1, the first wiring channel 41 and the second wiring channel 42 are arranged in parallel, and are formed in the middle of the bearing base, and the bearing ribs are arranged on the wiring on both sides of the channel.

In order to meet the wiring needs of the residents on the upper floor, outlet holes 7 are formed on the upper parts of the first wiring channel 41 and the second wiring channel 42, so as to realize the purpose of leading wires to the upper floor. In addition, the utility model is also preferably formed with a plurality of anti-slip protrusions 8 on the outer surfaces of both ends of the wiring channel 4, and the anti-skid protrusions 8 here can also be arranged on the outer surfaces of the entire wiring channel, so that the concrete is better in contact with the anti-skid The protrusions 8 are combined to improve the combining ability of the two.

In order to achieve a strong grip between the profiled steel plate and the concrete, multiple load-bearing ribs 9 are also formed on the profiled steel plate. The multiple load-bearing ribs 9 are distributed at intervals, and are arranged on the same side of the load-bearing bottom plate 1 as the wiring channel 4 . In FIG. 2, two load-bearing ribs 9 are arranged on each profiled steel plate. The load-bearing ribs 9 are vertically arranged on the load-bearing base plate 1. The length direction of the load-bearing ribs 9 is perpendicular to the length direction of the load-bearing base plate 1. The load-bearing rib 9 and the profiled steel plate are integrally formed. The load-bearing rib is formed by bending the horizontal load-bearing base plate 1 at 90 degrees and then bending it at 180 degrees. The free end of the load-bearing rib 9 is formed parallel to the load-bearing base plate 1 The upper dimension of the bearing rib 9 is larger than the lower dimension of the bearing rib 9 in the longitudinal direction of the bearing base plate 1 . The upper part of the load-bearing rib 9 has a larger cross-sectional area, which can make the combination between the profiled steel plate and the concrete stronger.

In addition, the utility model also provides a combined floor slab, as shown in Figure 4, a plurality of the above-mentioned profiled steel plates are connected through the male rib and the female rib, and a concrete structure layer 20 is poured on the top of the load-bearing bottom slab. A threading pipe 30 is also provided in the structural layer 20 , one end of the threading pipe 30 communicates with the outside world, and the other end communicates with the wiring channel 4 through the outlet hole 7 . This wiring method can take into account both the upper-level resident and the lower-level resident. For example, the roof lighting equipment of the lower-level resident can be routed in the wiring channel, and the office lines of the upper-level resident enter the wiring channel through the threading pipe 30, which is very convenient. By routing the electric control lines and office lines separately, the interference of the strong and weak circuits in the electric control lines on the office signal lines is avoided, the safety of the wiring is improved, and it is easy to repair and replace the lines in the later period.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, on the basis of the above description, other changes or changes in different forms can also be made. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the protection scope of the present utility model.

Claims (10)

1. A profiled steel plate, characterized in that, the profiled steel plate comprises a load-bearing base plate (1), and the two ends of the load-bearing base plate (1) are respectively formed with bending towards the same side of the load-bearing base plate (1). The male rib (2) and the female rib (3), the male rib (2) and the female rib (3) form an overlapping fit, and at least one wiring channel (4) is formed on the bearing base (1) , the wiring channel (4) and the male ribs (2) and female ribs (3) are located on the same side of the bearing base (1), and the lower opening (5) of the wiring channel (4), A cover plate (6) is provided at the opening (5). 2. The profiled steel plate according to claim 1, characterized in that, two wiring channels (4) are formed on the bearing base plate (1), which are respectively the first wiring channel (41) and the second wiring channel ( 42). 3. The profiled steel plate according to claim 2, characterized in that, the length direction of the wiring channel (4) is perpendicular to the length direction of the bearing base plate (1), and the first wiring channel (41) and The second wiring channels (42) are arranged in parallel. 4. The profiled steel plate according to claim 3, characterized in that, the upper parts of the first wiring channel (41) and the second wiring channel (42) are both formed with outlet holes (7). 5. The profiled steel plate according to any one of claims 1-4, characterized in that, a plurality of anti-slip protrusions (8) are formed on the outer surfaces of both ends of the wiring channel (4). 6. The profiled steel plate according to claim 5, characterized in that, a plurality of load-bearing ribs (9) are also formed on the load-bearing bottom plate (1), and the multiple load-bearing ribs (9) are distributed at intervals, and It is arranged on the same side of the carrying base (1) as the wiring channel (4). 7. The profiled steel plate according to claim 6, characterized in that, the load-bearing ribs (9) are vertically arranged on the load-bearing bottom plate (1), and the length direction of the load-bearing ribs (9) is aligned with the load-bearing bottom plate (1) The length direction is vertical. 8. The profiled steel plate according to claim 7, characterized in that, the free end of the load-bearing rib (9) forms a load-bearing plane (91) parallel to the load-bearing bottom plate (1), The upper dimension of the bearing rib (9) in the length direction of the bottom plate (1) is larger than the lower dimension. 9. The profiled steel plate according to claim 8, characterized in that, the opening of the wiring channel (4) is formed with a sealing slot (10), and the two sides of the cover plate (6) are in contact with the sealing The card slots (10) are snapped together. 10. A composite floor slab, characterized in that it comprises a plurality of profiled steel plates as claimed in any one of claims 4-9, and two adjacent profiled steel plates pass through said public rib (2) and female rib ( 3) connection, the profiled steel plate is poured with a concrete structure layer (20), the concrete structure layer (20) is provided with a threading pipe (30), and the threading pipe (30) and the outlet hole (7 ) are connected.