CN212505809U

CN212505809U - Interim bent cap bearing structure

Info

Publication number: CN212505809U
Application number: CN202020192085.9U
Authority: CN
Inventors: 罗利; 龚国强
Original assignee: China MCC5 Group Corp Ltd
Current assignee: China MCC5 Group Corp Ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2021-02-09
Anticipated expiration: 2030-02-21

Abstract

The utility model discloses an interim bent cap bearing structure, including setting up stand in the pier, setting up the bent cap on the pier and setting up the steel crossbeam on the bent cap, steel crossbeam and stand welding. The utility model has the advantages that: the steel beam of this scheme can form interim bearing structure so that lead to the car temporarily, avoids influencing the transportation facility, utilizes the stand can improve steel beam's stability and joint strength, is favorable to guaranteeing safety.

Description

Interim bent cap bearing structure

Technical Field

The utility model relates to a bridge construction technical field, specific theory is an interim bent cap bearing structure.

Background

At present, most bridges in China are constructed in sequence, and the general construction sequence of a substructure is pile foundation → bearing platform (ground tie beam) → pier stud → capping beam → support base stone. However, the construction of crossing the existing road or emergency engineering has high requirements on the construction period, normal construction procedures are adopted for construction, the time for concrete to be strong is long, and when the strength of the concrete does not meet the design and specification requirements, the concrete cannot enter the next procedure, so that the construction period is long, and the use function of the engineering cannot be quickly realized.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of prior art, the utility model aims to provide an interim bent cap bearing structure for under the construction conditions of strideing across existing road or the engineering of speedily carrying out rescue work, provide interim bearing structure and realize current function fast with the help bridge.

The utility model discloses a following technical scheme realizes: the utility model provides a interim bent cap bearing structure, is including setting up stand in the pier, setting up the bent cap on the pier and setting up the steel crossbeam on the bent cap, steel crossbeam and stand welding.

The beneficial effect that this scheme obtained is: the steel beam of this scheme can form interim bearing structure so that lead to the car temporarily, avoids influencing the transportation facility, utilizes the stand can improve steel beam's stability and joint strength, is favorable to guaranteeing safety.

Further, for better realization the utility model discloses, the stand include that vertical setting and cross section are cross support.

The beneficial effects obtained by adopting the further technical scheme are as follows: the support is arranged to be cross-shaped, so that the bending strength and the shearing strength of the support can be improved, the situation that the bearing weights of two sides are unequal due to the fact that vehicles pass through the upper portion of the steel cross beam is avoided, the support is prevented from being bent or inclined, and therefore the safety performance is improved.

Further, for better realization the utility model discloses, the stand still include four reinforcing plates that set up respectively on the support lateral surface all around.

The beneficial effects obtained by adopting the further technical scheme are as follows: the anti bending strength and the anti shear strength of support can further be strengthened to the reinforcing plate to can increase the area of contact of support and pier, improve the joint strength of support and pier.

Further, for better realization the utility model discloses, the lateral surface of reinforcing plate on be provided with a plurality of shear force nail along the direction of height of support.

The beneficial effects obtained by adopting the further technical scheme are as follows: the shear nails form a protruding thorn-shaped structure, so that the contact area and the connection strength of the support and the pier can be increased, and the stability and the strength of the support are improved.

Further, for better realization the utility model discloses, the support segmentation set up.

The beneficial effects obtained by adopting the further technical scheme are as follows: therefore, the processing precision of the bracket is ensured, and the bracket is prevented from being bent.

Further, for better realization the utility model discloses, be provided with between two sections adjacent supports and connect the gusset, the bottom of support is provided with connects the gusset.

The beneficial effects obtained by adopting the further technical scheme are as follows: the connection rib plates are used as installation bases, so that the segmented support can be conveniently welded, the processing precision of the support is favorably improved, the straightness of the support is ensured, and the torsional strength of the support is favorably improved.

Further, for better realization the utility model discloses, the support in be provided with a plurality of deep floor along the direction of height, deep floor welds between the adjacent medial surface of support.

The beneficial effects obtained by adopting the further technical scheme are as follows: the torsional strength of the support can be further enhanced by utilizing the reinforcing rib plate, the support is prevented from being distorted and deformed, and the stability of the steel beam is favorably improved.

Further, for better realization the utility model discloses, the top of support be provided with the top gusset, near the top of support be provided with the top gusset that a plurality of set up on two relative reinforcing plate lateral surfaces.

The beneficial effects obtained by adopting the further technical scheme are as follows: thereby avoiding the deformation of the top end of the bracket.

Further, for better realization the utility model discloses, the top of reinforcing plate be provided with the stand lug.

The beneficial effects obtained by adopting the further technical scheme are as follows: the lifting lugs are used for facilitating the movement of the support, so that the construction is facilitated.

Further, for better realization the utility model discloses, the steel crossbeam be the cuboid type that the steel sheet welding formed, the interval is provided with a plurality of steel crossbeam deep floor in the steel crossbeam, the steel crossbeam on be provided with the crossbeam lug.

The beneficial effects obtained by adopting the further technical scheme are as follows: therefore, the strength and the rigidity of the steel beam are improved, and the potential safety hazard caused by bending deformation of the steel beam is avoided.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic structural view of a column;

FIG. 3 is a schematic cross-sectional view of a stent;

FIG. 4 is a schematic view of the installation of a reinforcing rib plate;

FIG. 5 is a schematic structural view of a stiffener plate;

FIG. 6 is a front view of a steel beam;

FIG. 7 is a left side view of FIG. 6;

the method comprises the following steps of 1-pier, 2-upright post, 21-support, 22-reinforcing plate, 23-shear nail, 24-connecting rib plate, 25-reinforcing rib plate, 26-top rib plate, 27-top reinforcing rib plate, 28-upright post lifting lug, 3-cover beam, 4-steel cross beam, 41-steel cross beam reinforcing rib plate, 42-cross beam lifting lug and 5-cushion stone.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

Example 1:

as shown in fig. 1, in the present embodiment, the temporary capping beam load-bearing structure includes an upright post 2 disposed in a pier 1, a capping beam 3 disposed on the pier 1, and a steel cross beam 4 disposed on the capping beam 3, wherein the steel cross beam 4 is welded to the upright post 2.

When crossing existing road and being under construction or the engineering of speedily carrying out rescue work is under construction, in order to avoid the construction to cause the separation to the traffic, pour and accomplish bent cap 3 after, set up steel beam 4 on bent cap 3 as the road surface that temporarily passes through, avoid bent cap 3 not to have the concrete that solidifies to receive the influence, the vehicle of also being convenient for temporarily passes through, need not wait to bent cap 3's concrete and solidify completely, reduced the harmful effects of construction to the traffic trip.

Utilize stand 2 to support steel crossbeam 4, make steel crossbeam 4 and stand 2 welding, can improve steel crossbeam 4's stability, stand 2 is pre-buried when construction pier 1, and itself can strengthen pier 1's intensity and rigidity, also can remain after the construction is accomplished, avoids causing the material waste to reduce building rubbish's production.

And in the later stage, the steel cross beam 4 is dismantled, and then the bridge deck engineering on the capping beam 3 is constructed.

In this embodiment, bent cap 3 on can set up a plurality of bed stones 5 to bed stone 5 is installation steel crossbeam 4 for the installation basis, can reduce steel crossbeam 4 and bent cap 3's area of contact, shorten time limit for a project when making things convenient for the later stage to demolish steel crossbeam 4, reduce building rubbish, improve the efficiency of demolising, reduce and demolish the bad influence of work to girder steel 3 structure.

Example 2:

as shown in fig. 2, 3 and 4, on the basis of the above embodiment, in the present embodiment, the upright 2 includes a bracket 21 which is vertically arranged and has a cross-shaped cross section. The cross-shaped support 21 can increase the contact area between the support 21 and the pier 1, and after the upright post 2 is poured into the pier 1, the connection strength between the upright post 2 and the pier 1 can be increased, so that the strength, the rigidity and the supporting capacity of the pier 1 can be enhanced.

The support 21 adopts a cross-shaped structure, so that the strength of the support can be enhanced, and the bending resistance and the inclination resistance can be enhanced. When the pressure on two sides of the steel beam 4 is different due to passing on the steel beam 4, the steel beam 4 can be prevented from inclining, and therefore the stability and the safety performance of the steel beam 4 are improved.

As shown in fig. 3, in this embodiment, the upright 2 further includes four reinforcing plates 22 respectively disposed on the outer side surfaces of the periphery of the bracket 21. The contact area between the bracket 21 and the pier 1 can be further increased by the reinforcing plate 22. The reinforcing plate 22 and the bracket 21 form a T-shaped structure, so that the tensile strength between the pier 1 and the bracket 21 can be increased, the connection strength between the pier 1 and the bracket 21 can be enhanced, and the overall strength and rigidity of the pier 1 can be further improved.

As shown in fig. 3, in the present embodiment, a plurality of shear pins 23 are disposed on the outer side surface of the reinforcing plate 22 along the height direction of the bracket 21. The shear nails 23 protrude outwards, so that the contact area between the support 21 and the pier 1 can be further increased, the connection strength between the pier 1 and the support 21 is improved, and the overall strength and rigidity of the pier 1 are further improved.

Example 3:

as shown in fig. 2, on the basis of the above embodiment, in the present embodiment, the support 21 is provided in sections. The bracket 21 is long and difficult to be made of finished materials, and the difficulty in processing the bracket 21 can be reduced by adopting sectional manufacturing.

A connecting rib plate 24 is arranged between two adjacent sections of the brackets 21, and the bottom of each bracket 21 is provided with the connecting rib plate 24.

The adjacent two sections of brackets 21 are welded on two sides of the connecting rib plate 24, and the connecting rib plate 24 is used as a mounting base, so that the straightness of the brackets 21 can be guaranteed, the brackets 21 can be prevented from being bent, the bending resistance and the inclination resistance of the brackets 21 can be improved, and the safety of the safe steel beam 4 on a crane can be guaranteed.

Example 3:

as shown in fig. 4 and 5, in the present embodiment, on the basis of the above embodiments, a plurality of reinforcing rib plates 25 are arranged in the bracket 21 along the height direction, and the reinforcing rib plates 25 are welded between the adjacent inner side faces of the bracket 21.

The side surface of the bracket 21 can be supported by the reinforcing rib plate 25, the strength and rigidity of the bracket 21 are enhanced, the anti-twisting capability of the bracket 21 is improved, and the bracket 21 can be prevented from twisting and deforming.

In this embodiment, a top rib plate 27 is disposed at the top of the bracket 21, and a plurality of top rib plates 26 disposed on the outer side surfaces of two opposite reinforcing plates 22 are disposed near the top end of the bracket 21.

The free end of the bracket 21 can be effectively fixed by the top end reinforcing rib plate 26, and the free end of the bracket 21 is prevented from being bent and deformed to influence the installation precision of the steel cross beam 4.

Under the condition that the upright post 2 bears bending moment, the bending moment borne by the top end of the upright post 2 is large, and the connecting strength between the upright post 2 and the pier 1 can be increased by utilizing the top rib plate 27, so that the bending resistance of the top end of the upright post 2 is enhanced.

In this embodiment, the top end of the reinforcing plate 22 is provided with a column lifting lug 28. Therefore, the upright post 2 can be conveniently lifted and installed through the lifting lugs 28.

Example 4:

as shown in fig. 6 and 7, in the present embodiment, the steel beam 4 is a rectangular parallelepiped formed by welding steel plates, a plurality of steel beam reinforcing rib plates 41 are arranged at intervals in the steel beam 4, and the steel beam 4 is provided with beam lifting lugs 42. The steel beam 4 is designed into a cuboid shape, so that vehicles can pass through the steel beam as a road surface, certain strength can be guaranteed, and the steel beam is supported by the underlying cushion stone to keep stability. Through set up steel crossbeam deep floor 41 in steel crossbeam 4 inside can strengthen steel crossbeam 4's intensity and rigidity, avoid steel crossbeam 4 to take place to warp and influence the vehicle current, be favorable to improving the security performance.

In this embodiment, other undescribed contents are the same as those in the above embodiment, and thus are not described again.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. A interim bent cap bearing structure which characterized in that: the bridge comprises upright columns (2) arranged in piers (1), bent caps (3) arranged on the piers (1) and steel cross beams (4) arranged on the bent caps (3), wherein the steel cross beams (4) are welded with the upright columns (2).

2. A temporary capping beam load bearing structure as claimed in claim 1 wherein: the upright post (2) comprises a support (21) which is vertically arranged and has a cross-shaped cross section.

3. A temporary capping beam load bearing structure as claimed in claim 2 wherein: the upright post (2) also comprises four reinforcing plates (22) which are respectively arranged on the outer side surfaces of the periphery of the bracket (21).

4. A temporary capping beam load bearing structure as claimed in claim 3 wherein: a plurality of shear nails (23) are arranged on the outer side surface of the reinforcing plate (22) along the height direction of the bracket (21).

5. A temporary capping beam load bearing structure as claimed in any one of claims 2, 3 and 4 wherein: the bracket (21) is arranged in sections.

6. A temporary capping beam load bearing structure as claimed in claim 5 wherein: a connecting rib plate (24) is arranged between two adjacent sections of the brackets (21), and the bottom of each bracket (21) is provided with the connecting rib plate (24).

7. A temporary capping beam load bearing structure as claimed in any one of claims 2, 3, 4 and 6 wherein: a plurality of reinforcing rib plates (25) are arranged in the support (21) along the height direction, and the reinforcing rib plates (25) are welded between the adjacent inner side faces of the support (21).

8. A temporary capping beam load bearing structure as claimed in any one of claims 3, 4 and 6 wherein: the top of the bracket (21) is provided with a top rib plate (27), and a plurality of top reinforcing rib plates (26) arranged on the outer side surfaces of the two opposite reinforcing plates (22) are arranged near the top end of the bracket (21).

9. A temporary capping beam load bearing structure as claimed in any one of claims 3 or 4 wherein: the top end of the reinforcing plate (22) is provided with a column lifting lug (28).

10. A temporary capping beam load bearing structure as claimed in any one of claims 1, 2, 3, 4, 6 wherein: the steel beam (4) is in a cuboid shape formed by welding steel plates, a plurality of steel beam reinforcing rib plates (41) are arranged in the steel beam (4) at intervals, and beam lifting lugs (42) are arranged on the steel beam (4).