CN216196748U

CN216196748U - Stable supporting structure of section steel beam for thick plate of garage transfer layer

Info

Publication number: CN216196748U
Application number: CN202122693243.6U
Authority: CN
Inventors: 丘华生; 翁理辉; 韩伟伟; 方能森; 何荣海
Original assignee: China Construction Fourth Engineering Division Corp Ltd; China Construction Fourth Engineering Bureau Construction and Development Co Ltd
Current assignee: China Construction Fourth Engineering Division Corp Ltd; China Construction Fourth Engineering Bureau Construction and Development Co Ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model provides a shaped steel roof beam bearing structure that stabilizes for garage conversion layer thick plate, includes a shaped steel roof beam main part, T type support of welding respectively in the both ends support bottom of shaped steel roof beam main part, and T type support includes the vertical board of first vertical board and second, and wherein, the vertical face in center pin place of first vertical board and shaped steel roof beam main part is in same vertical face, and the vertical board of second is connected perpendicularly in the side of first vertical board, every the bottom surface of T type support is fixed welding a steel sheet respectively, and the bottom surface of two steel sheets is in same horizontal plane. According to the utility model, the T-shaped supports are respectively welded at the bottoms of the supports at the two ends of the profiled steel beam main body, and a steel plate is also welded on the bottom surface of each T-shaped support, so that the structure is simple, the practicability is strong, the operation is simple and easy, the manufacturing cost is low, the stability of the profiled steel beam main body in the construction process can be ensured, and the risk of accidental inclination and even collapse in the construction process of the thick plate of the profiled steel beam main body retransformation layer is avoided to a great extent.

Description

Stable supporting structure of section steel beam for thick plate of garage transfer layer

Technical Field

The utility model relates to the technical field of garage transfer layer thick plates, in particular to a stable support structure for a section steel beam of a garage transfer layer thick plate.

Background

The high-rise building load of the subway upper cover project needs to pass through a garage conversion layer thick plate structure, and the high-strength concrete wall column under the structural load is transmitted to the subway cover plate. The conversion thick plate belongs to a section steel concrete composite structure, and a section steel concrete structure consisting of section steel beams, reinforcing steel bars and concrete has the advantages of large bearing capacity, large rigidity and good anti-seismic performance compared with the traditional reinforced concrete structure. Compared with a steel structure, the steel structure has the advantages of good fire resistance, good local and overall stability of the structure, steel saving and the like.

However, the section steel beams also have some disadvantages, in particular as follows: firstly, strict requirements are provided for controlling the elevation of the steel beam; secondly, the contact surface of the bottom of the section steel beam is a high-density polystyrene board crack-removing layer, the polystyrene board has low hardness and rigidity, the section steel has a large height-width ratio, the steel beam has a long span, and the section steel beam cannot be stably and naturally erected; the steel hidden beam steel bar binding operation needs to be carried out on the section steel beam, and meanwhile, the steel bar construction process is difficult to avoid collision, so that a stable, reliable and convenient supporting system needs to be adopted to guarantee smooth and safe construction. Therefore, the structural steel beam stable supporting structure for the thick plate of the garage transfer floor is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stable support structure for a section steel beam of a thick plate of a garage transfer floor, which aims to overcome the defects that the section steel beam of the existing garage transfer floor cannot be stably and naturally clamped on a polystyrene plate, and the risk of accidental inclination and even collapse occurs in the construction process.

The utility model adopts the following technical scheme:

the utility model provides a shaped steel roof beam bearing structure that stabilizes for garage conversion layer thick plate, includes a shaped steel roof beam main part, a T type support of welding respectively is in the both ends support bottom of shaped steel roof beam main part, T type support includes the vertical board of first vertical board and second, wherein, first vertical board with the vertical face in center pin place of shaped steel roof beam main part is in same vertical face, the vertical board of second connect perpendicularly in the side of first vertical board, every the bottom surface of T type support is fixed welding a steel sheet respectively, and the bottom surface of two steel sheets is in same horizontal plane.

In a preferred embodiment, two sides of the end support of each section steel beam main body are symmetrically welded with a section steel beam inclined reinforcing steel bar support respectively, and the bottoms of the two symmetrical section steel beam inclined reinforcing steel bar supports on the same end support are fixedly welded through a section steel beam horizontal reinforcing steel bar support to form a triangular structure.

In a preferred embodiment, the lower parts of the two sides of each section steel beam main body end support are respectively and fixedly welded with the corresponding section steel beam inclined steel bar supports through a section steel beam horizontal steel bar support.

In a preferred embodiment, the angle between the diagonal reinforcement support of the section steel beam and the horizontal plane is preferably 60 °.

In a preferred embodiment, the first vertical plate and the second vertical plate have the same thickness and strength grade as the section steel beam main body.

In a preferred embodiment, the projection of the T-shaped support on the corresponding steel plate does not exceed the boundary of the corresponding steel plate.

In a preferred embodiment, the two T-shaped supports have a size of 300mm × 300mm, and the two steel plates have a size of 500mm × 500 mm.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. according to the utility model, the T-shaped supports are respectively welded at the bottoms of the supports at the two ends of the profiled steel beam main body, and a steel plate is also welded on the bottom surface of each T-shaped support, so that the structure is simple, the practicability is strong, the operation is simple and easy, the manufacturing cost is low, the stability of the profiled steel beam main body in the construction process can be ensured, and the risk of accidental inclination and even collapse in the construction process of the thick plate of the profiled steel beam main body retransformation layer is avoided to a great extent. In addition, the supporting structure of the utility model occupies smaller construction space, and the construction period is not delayed due to the influence on the efficiency of other construction steps.

2. The T-shaped support formed by vertically combining the first vertical plate and the second vertical plate can avoid a connector at the bottom of the steel beam main body and has larger supporting force in the vertical direction. A steel plate is welded in the middle below the T-shaped support, the stress area of the lower polystyrene board is increased, and damage to the polystyrene board is avoided, so that the seam-removing effect of the thick plate of the conversion layer is lost.

3. Shaped steel roof beam slant steel bar support of shaped steel girder main part tip support both sides welded adopts the horizontal steel bar support welding of shaped steel roof beam to form the triangle-shaped structure respectively in bottom and shaped steel roof beam lower part position, can further improve the stability of shaped steel girder main part.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a right side view of the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth below in order to provide a thorough understanding of the present invention, but it will be apparent to those skilled in the art that the present invention may be practiced without these details. Well-known components, methods and processes are not described in detail below.

A structural steel beam stable supporting structure for a garage transfer layer thick plate refers to fig. 1 and 2 and comprises a structural steel beam main body 10, and the structural steel beam main body 10 is of an I-shaped structure. The top surface and the top surface of the section steel beam main body 10 are respectively welded with two rows of connectors 11 which are arranged at intervals along the axial direction; a plurality of rows of connectors 11 are welded on the front and rear side walls of the steel beam main body 10. Other hidden beams and the like can be connected to the top surface, the bottom surface and the two side surfaces of the section steel beam main body through the connecting heads 11.

Referring to fig. 1 and 2, a T-shaped support 20 is welded to the bottom of each of the two ends of the steel section beam body 10, and the thickness and strength of the T-shaped support are the same as those of the steel section beam body 10. The T-shaped support 20 includes a first vertical plate 21 and a second vertical plate 22, wherein the first vertical plate 21 is located at the same vertical plane as the central axis of the section steel beam body 10, and the second vertical plate 22 is vertically connected to the side of the first vertical plate 21. Any cross section of the whole T-shaped support 20 in the longitudinal direction is T-shaped, so that the stress of the whole T-shaped support in the vertical direction is balanced. The dimensions of both T-shaped supports 20 are 300mm x 300mm, i.e.: the length of the top end of the first vertical plate 21 plus the thickness of the top end of the second vertical plate 22 is 300mm, and the length of the second vertical plate 22 is 300 mm.

Referring to fig. 1 and 2, a steel plate 23 is fixedly welded to the bottom surface of each T-shaped support 20, and the bottom surfaces of the two steel plates 23 are located at the same horizontal plane. The projection of the T-shaped support 20 on the corresponding steel plate 23 does not exceed the boundary of the corresponding steel plate 23, and the steel plate 23 is preferably welded on the bottom surface of the T-shaped support 20 in the center. The two steel plates 23 are preferably square steel plates each having a size of 500mm × 500 mm. The steel plate 23 can increase the stress area of the polystyrene board at the lower part, and avoid damaging the polystyrene board, so that the seam-removing effect of the conversion thick plate is lost.

Referring to fig. 1, two sides of the end support of each section steel beam body 10 are respectively and symmetrically welded with a section steel beam diagonal reinforcement support 31, and an included angle between the section steel beam diagonal reinforcement support 31 and a horizontal plane is preferably 60 °. The bottoms of two symmetrical steel beam oblique reinforcing steel bar supports 31 on the same end support are fixedly welded through a steel beam horizontal reinforcing steel bar support 32 to form a triangular structure. The triangular structure formed by the above section steel beam oblique steel bar supports 31 and the section steel beam horizontal steel bar supports 32 can further improve the stability of the section steel beam main body and prevent the section steel beam main body from inclining to the side.

With reference to fig. 1, the lower portions of the two sides of the end support of each section steel beam main body 10 are also fixedly welded to the corresponding section steel beam diagonal reinforcement support 31 through a section steel beam horizontal reinforcement support two 33, respectively, so as to perform a reinforcing and fixing function.

The specific installation method of the structural steel beam stable support structure comprises the following steps:

1. in the production stage, after the production of the section steel beam main body is finished, two T-shaped supports are welded at the bottoms of the supports at the two ends of the section steel beam main body by directly using steel plates with the same strength grade, and a square steel plate is welded in the middle of the lower portion of each T-shaped support.

2. In the construction stage, after the section steel beam main body is arranged at the designated position through the crane, and before the steel rope of the crane is not loosened, the site welder symmetrically welds the inclined steel bar supports of the section steel beams at the two sides of the section steel beam support at an inclined angle of 60 degrees. And two section steel beam horizontal reinforcing steel supports are also used to be respectively welded at the two sides of the lower parts of the section steel beam inclined reinforcing steel supports and the section steel beam main body.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims

1. The utility model provides a shaped steel roof beam bearing structure that stabilizes for garage conversion layer thick plate, includes a shaped steel roof beam main part, its characterized in that: the T-shaped supports are welded to the bottoms of the supports at the two ends of the section steel beam main body respectively and comprise a first vertical plate and a second vertical plate, wherein the vertical surface where the center shaft of the section steel beam main body is located on the first vertical plate is located on the same vertical surface, the second vertical plate is vertically connected to the side surface of the first vertical plate, the bottom surface of each T-shaped support is fixedly welded with a steel plate, and the bottom surfaces of the two steel plates are located on the same horizontal plane.

2. The structural steel beam stabilizing support structure for a garage transfer floor slab of claim 1, wherein: every shaped steel roof beam slant rebar support of symmetrical welding respectively in the tip support both sides of shaped steel roof beam main part, the bottom of two shaped steel roof beam slant rebar support of symmetry on same tip support supports fixed welding through a shaped steel roof beam horizontal reinforcement, forms a triangle-shaped structure.

3. The structural steel beam stabilizing support structure for a garage transfer floor slab of claim 2, wherein: and the lower parts of two sides of the support at the end part of each section steel beam main body are respectively supported and fixedly welded with the corresponding section steel beam inclined steel bar support through a section steel beam horizontal steel bar.

4. The structural steel beam stable supporting structure for the garage transfer floor slab as claimed in claim 2 or 3, wherein: the included angle between the inclined steel bar support of the section steel beam and the horizontal plane is 60 degrees.

5. The structural steel beam stabilizing support structure for a garage transfer floor slab of claim 1, wherein: the thickness and the strength grade of the first vertical plate and the second vertical plate are the same as those of the section steel beam main body.

6. The structural steel beam stabilizing support structure for a garage transfer floor slab of claim 1, wherein: the projection of the T-shaped support on the corresponding steel plate does not exceed the boundary of the corresponding steel plate.

7. The structural steel beam stabilizing support structure for a garage transfer floor slab of claim 1, wherein: the size of two T type support is 300mm, and the size of two the steel sheet is 500 mm.