CN216305140U

CN216305140U - Outer wing U type reinforced concrete roof beam and integral concrete floor

Info

Publication number: CN216305140U
Application number: CN202122622121.8U
Authority: CN
Inventors: 肖里然
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-15
Anticipated expiration: 2031-10-29

Abstract

The utility model provides an outer wing U-shaped reinforced concrete beam and an integral concrete floor. The outer wing U-shaped reinforced concrete beam comprises a first steel plate, a second steel plate, a steel bar truss and a third steel plate which is horizontally connected with the tail end of the first steel plate, wherein the first steel plate is vertically connected with the two ends of the second steel plate, so that a U-shaped beam cavity with one open end is formed by the first steel plate and the second steel plate, the third steel plate is parallel to the second steel plate, and the third steel plate is positioned on the outer side of the second steel plate; the steel bar truss is arranged in the U-shaped beam cavity. The utility model provides an outer wing U-shaped reinforced concrete beam, two sides of which are bent outwards to provide a wider lapping surface for a floor slab steel bar truss erected on the outer wing U-shaped reinforced concrete beam, secondary steel bars are used for connecting the inner steel bar truss of the outer wing U-shaped reinforced concrete beam and the floor slab steel bar truss into an integral steel bar truss floor, and after concrete is cast in situ, the concrete in the beam and the floor slab concrete are connected into a whole to form the integral reinforced concrete floor.

Description

Outer wing U type reinforced concrete roof beam and integral concrete floor

Technical Field

The utility model relates to the technical field of fabricated steel structure buildings, in particular to an outer wing U-shaped reinforced concrete beam and an integral concrete floor.

Background

As the country has vigorously advanced the development of the fabricated construction industry, fabricated steel structure houses have been fully recognized and required to be vigorously developed in recent years. The assembled steel structure house must be developed by fully utilizing the characteristics and advantages of the steel structure building, and the safest and longest-life building is built at the lowest cost. The steel structure house should develop to big depth, the nimble changeable direction in space of big bay, and at present, the plane and the house type of many steel structure houses still follow the arrangement of little bay of shear wall structure, and not only the structure sets up unreasonablely, has seriously influenced the service function in room moreover. In order to realize the flexible and variable indoor space and fully exert the advantage of large span of a steel structure, the steel structure house is developed towards a large bay and a large depth direction, and the steel frame is preferentially arranged on the outer wall and the household separating wall.

The steel frame is the major structure of assembled steel structure building, and for full play steel and concrete advantage separately, the steel pipe concrete integrated configuration technique is the most economic most effectual novel technique, adopts special-shaped combination steel-pipe column to be applied to in the steel construction house according to building service function, can effectively solve the exposed problem of steel column.

The existing special flat tube column-U-shaped steel beam connecting node is disclosed as CN211873356U, the structure of the U-shaped steel beam adopts a structure with two sides bent inwards to be connected with a floor slab, the structure enables concrete at the connecting part of the floor slab and the beam to have a necking, the necking enables the beam and the floor slab not to be integrated, the structural stability is poor, and the arrangement of a steel bar truss in a reinforced concrete beam is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an outer wing U-shaped reinforced concrete beam and an integral concrete floor, wherein the outer wings of the outer wing U-shaped reinforced concrete beam are bent outwards towards two sides of the U-shaped beam to provide a wider lapping surface for a floor slab reinforced truss erected on the outer wing U-shaped reinforced concrete beam, a larger space is reserved for a reinforced truss in the U-shaped beam and concrete, during field construction, the reinforced truss in the outer wing U-shaped reinforced concrete beam and the floor slab reinforced truss are connected into the integral reinforced truss floor through secondary reinforcement arrangement, and after concrete is cast in place, the concrete in the beam and the floor slab concrete are connected into a whole to form the integral reinforced concrete floor reinforced truss.

The technical scheme of the utility model is as follows: the U-shaped reinforced concrete beam with the outer wing comprises a first steel plate, a second steel plate, a steel bar truss and a third steel plate, wherein the first steel plate is vertically connected with the two ends of the second steel plate, so that a U-shaped beam cavity with an open end is formed by the first steel plate and the second steel plate; the steel bar truss is arranged in the U-shaped beam cavity.

In the scheme, the third steel plate is designed to be positioned on the outer side of the second steel plate to form the outer wing, so that the U-shaped steel beam is of a structure with two sides bent outwards, the outer wing can provide a wider lap joint surface for a floor slab steel bar truss erected on the outer wing, a larger space is reserved for the steel bar truss and concrete in the U-shaped beam, during field construction, the inner steel bar truss and the floor slab steel bar truss are connected into the integral steel bar truss floor through secondary reinforcement arrangement, and concrete in the beam and the floor slab concrete are connected into a whole after the concrete is cast in place to form the integral reinforced concrete floor.

Preferably, the steel bar truss comprises a plurality of V-shaped ribs and a plurality of connecting steel bars, and the V-shaped ribs are provided with a vertex and an opening; the plurality of V-shaped ribs are arranged along the longitudinal direction of the outer wing U-shaped reinforced concrete beam at intervals; the connecting reinforcement is with a plurality of V type muscle links to each other, and is a plurality of the connecting reinforcement is located the summit of V type muscle respectively and closes on the opening part.

Preferably, the side of the V-shaped rib having the opening is disposed adjacent to the second steel plate.

Preferably, the height of the steel bar truss is 20-100mm higher than the upper edge of the cavity of the U-shaped steel bar reinforced concrete beam with the outer wing, so that secondary bar penetration is facilitated, and the steel bars at the bottom of the steel bar truss are spot-welded on the steel plates at the bottom in the cavity of the U-shaped steel bar reinforced concrete beam with the outer wing.

Based on the same conception, the utility model also provides an integral concrete floor, which comprises a steel bar truss floor plate and the outer wing U-shaped reinforced concrete beam, wherein the steel bar truss floor plate is laid on the third steel plate of the outer wing U-shaped reinforced concrete beam, the steel bar truss floor plate is provided with an opening corresponding to the position of the opening of the outer wing U-shaped reinforced concrete beam, and concrete is filled in the U-shaped beam cavity and the opening of the steel bar truss floor plate.

Compared with the related technology, the utility model has the beneficial effects that: the U-shaped steel beam is of a structure that two sides are bent outwards, the outer wings can provide wider lapping surfaces for the floor slab steel bar trusses erected on the U-shaped steel beam, meanwhile, a larger space is reserved for the steel bar trusses in the U-shaped steel beam and concrete, when in site construction, the inner steel bar trusses and the floor slab steel bar trusses are connected into an integral steel bar truss floor through secondary steel bar arrangement, and after concrete is cast in place, the concrete in the beam and the floor slab concrete are connected into a whole to form the integral reinforced concrete floor.

Drawings

Fig. 1 is a schematic structural view of a U-shaped reinforced concrete beam with outer wings according to the present invention;

fig. 2 is a schematic structural diagram of the integral concrete floor provided by the utility model.

In the drawings: 1. a first steel plate; 2. a second steel plate; 3. a third steel plate; 4. a steel bar truss; 41. v-shaped ribs; 42. connecting reinforcing steel bars; 5. a U-shaped beam cavity; 6. steel bar truss floor plate.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the U-shaped reinforced concrete beam with the outer wing provided by the present embodiment includes a first steel plate 1, a second steel plate 2, a third steel plate 3, and a steel bar truss 4.

The number of the first steel plates 1 is two, and the first steel plates are respectively vertically connected to two ends of the second steel plate 2. The number of the third steel plates 3 is two, and the third steel plates are respectively connected to two ends of the first steel plate 1 and are perpendicular to the first steel plate 1. The second steel plate 2 and the third steel plate 3 are horizontally arranged and are parallel to each other, and the third steel plate 3 is positioned on the outer side of the second steel plate 2. The first steel plate 1 is vertically arranged. The first steel plate 1 and the second steel plate 2 form a U-shaped beam cavity 5 with one open end. The first steel plate 1, the second steel plate 2, and the third steel plate 3 are connected together to form an inverted u-shaped structure when viewed in a longitudinal section (plane of the drawing). The steel bar truss 4 is arranged in the U-shaped beam cavity 5.

As shown in fig. 2, the steel bar truss 4 includes V-shaped bars 41 and connecting bars 42. The V-shaped rib 41 has an apex and an opening. The plurality of V-shaped ribs 41 are arranged at intervals along the longitudinal direction of the outer wing U-shaped reinforced concrete beam. The connecting reinforcing bars 42 connect the plurality of V-shaped bars 41, and the plurality of connecting reinforcing bars 42 are respectively located at the vertex and the adjacent opening of the V-shaped bar 41. When the steel plate is installed, the opening of the V-shaped rib 41 faces downwards, and the bottom of the V-shaped rib 41 is electrically welded on the second steel plate 2. In other embodiments, the opening of the V-shaped rib 41 may be upward.

As shown in fig. 2, the present invention further provides an integral type concrete floor, which comprises a steel bar truss floor plate 6 and the U-shaped steel bar concrete beam with the outer wing. The steel bar truss floor plate 6 is laid on the third steel plate 3 of the outer wing U-shaped reinforced concrete beam, and an opening corresponding to the open position of the outer wing U-shaped reinforced concrete beam is formed in the steel bar truss floor plate 6. Because of the structure that the outer wing U type reinforced concrete roof beam is outwards buckled, consequently, steel bar truss floor board 6 can be with the border parallel and level of third steel sheet 3, like this, does not occupy the upper portion space in U type beam cavity, and the opening of steel bar truss floor board 6 is equal with the open mouth width size of outer wing U type reinforced concrete roof beam (the width indicates with vertical perpendicular direction, is the horizontal interval W that fig. 2 shows). After the steel bar truss floor plate 6 is laid, the inner steel bar truss 4 and the steel bar truss floor plate 6 are connected into the integral steel bar truss floor through secondary steel bar arrangement, and after concrete is cast in place, the concrete in the beam and the floor concrete are connected into a whole to form the integral reinforced concrete floor.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The U-shaped reinforced concrete beam with the outer wing comprises a first steel plate (1) and a second steel plate (2), wherein the first steel plate (1) is vertically connected with the two ends of the second steel plate (2) to enable the first steel plate (1) and the second steel plate (2) to form a U-shaped beam cavity (5) with one open end, and the U-shaped reinforced concrete beam is characterized by further comprising a steel bar truss (4) and a third steel plate (3) horizontally connected with the tail end of the first steel plate (1), wherein the third steel plate (3) is parallel to the second steel plate (2), and the third steel plate (3) is located on the outer side of the second steel plate (2); the steel bar truss (4) is arranged in the U-shaped beam cavity (5).

2. An outside-wing U-shaped reinforced concrete beam according to claim 1, wherein said reinforcing bar truss (4) comprises a plurality of V-shaped bars (41) and a plurality of connecting bars (42), said V-shaped bars (41) having an apex and an opening; a plurality of V-shaped ribs (41) are arranged at intervals along the longitudinal direction of the outer wing U-shaped reinforced concrete beam; the V-shaped ribs (41) are connected through the connecting steel bars (42), and the connecting steel bars (42) are located at the top points of the V-shaped ribs (41) and close to the openings respectively.

3. An outside-wing U-shaped reinforced concrete beam according to claim 2, wherein the side of the V-shaped bar (41) having the opening is disposed adjacent to the second steel plate (2).

4. An outer wing U-shaped reinforced concrete beam according to any one of claims 1 to 3, wherein the height of the steel bar truss (4) is 20-100mm higher than the upper edge of the U-shaped beam cavity (5).

5. An integral concrete floor comprises a steel bar truss floor plate (6) and is characterized by further comprising the outer wing U-shaped reinforced concrete beam as claimed in any one of claims 1 to 4, wherein the steel bar truss floor plate (6) is laid on the third steel plate (3) of the outer wing U-shaped reinforced concrete beam, an opening corresponding to the open position of the outer wing U-shaped reinforced concrete beam is formed in the steel bar truss floor plate (6), and concrete is filled in the U-shaped beam cavity (5) and the opening of the steel bar truss floor plate (6).