CN219280520U - High pier large cantilever bent cap support - Google Patents

Abstract

The utility model discloses a high pier large cantilever bent cap bracket, which relates to the technical field of high pier large cantilever bent cap construction, and comprises the following components: the number of the supporting leg assemblies is the same as that of the transverse bridge pier columns, and each supporting leg assembly comprises two first corbels which are respectively arranged at two sides of the corresponding pier column along the longitudinal bridge direction; the two groups of bailey beams are respectively connected to the tops of the first brackets at two sides of the pier column; the first distribution beams are arranged at the tops of the two groups of bailey beams and are used for supporting the capping beam templates; and the support frame is used for being arranged on the side wall of the outermost pier column so as to support the bailey beam to extend out of the cantilever end of the pier column. The high pier large cantilever bent cap support that this scheme provided is non-standard bent cap support, and its simple structure, the atress is stable, and it is convenient to be under construction, has solved among the prior art and has had the problem that the supporting structure is heavy, stability is poor, the efficiency of construction is low, the steel quantity is big.

Description

High pier large cantilever bent cap support

Technical Field

The utility model relates to the technical field of high pier large cantilever bent cap construction, in particular to a high pier large cantilever bent cap bracket.

Background

As is well known, the road and bridge construction of China is vigorous, the structural type of a high pier large cantilever bent cap is continuously appeared, the traditional method of a large cantilever bent cap bracket is that a floor support is adopted for high erection, the requirement of the bracket on a foundation is high, the consumption of a steel structure is large, the structure is unstable, and the safety is poor. The other is that the bracket is embedded on the tower pier to support a large bracket, the large bracket is heavy, the steel structure is large in dosage, the mounting and dismounting are inconvenient, and the requirement on hoisting equipment is high. In the prior art, the problems of heavy bracket structure, poor stability, low construction efficiency and large steel consumption exist.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a high pier large cantilever bent cap bracket which can solve the problems in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the scheme provides a big cantilever bent cap support of high mound, includes:

the number of the supporting leg assemblies is the same as that of the transverse bridge pier columns, and each supporting leg assembly comprises two first corbels which are respectively arranged at two sides of the corresponding pier column along the longitudinal bridge direction;

the two groups of bailey beams are respectively connected to the tops of the first brackets at two sides of the pier column;

the first distribution beams are arranged at the tops of the two groups of bailey beams and are used for supporting the capping beam templates;

and the support frame is used for being arranged on the side wall of the outermost pier column so as to support the bailey beam to extend out of the cantilever end of the pier column.

In some optional schemes, the support frame comprises two right triangle supports which are arranged on the side wall of the outermost pier column at intervals along the longitudinal bridge direction, and respectively support two groups of the beret beams to extend out of the cantilever ends of the pier column, wherein the vertical right-angle side of each right triangle support is used for connecting the pier column, and the horizontal right-angle side is supported at the bottom of the cantilever end of the beret beam.

In some alternative aspects, a plurality of first reinforcing bars are disposed at right-angled ends of the right-angled triangle support, and the first reinforcing bars are configured to extend into the pier stud.

In some alternative solutions, the right triangle support further comprises three reinforcing rods, and two ends of the three reinforcing rods are respectively connected to midpoints of two different sides of the right triangle support.

In some alternatives, a plurality of connecting rods are connected between the two right triangle brackets.

In some alternatives, a second distribution beam is arranged at the top of one end of the horizontal right angle side of the right angle triangle support, which is far away from the right angle, so as to support the cantilever end of the beret beam.

In some alternatives, the bailey beam is provided with a reinforcing vertical rod at the connection position with the second distribution beam.

In some alternatives, a second bracket is also included for attachment to the pier stud to support the support frame.

In some alternatives, the first bracket includes:

a main body;

the clamping block is connected to one side of the main body and is used for being matched with the clamping groove on the pier stud;

and the second reinforcing steel bars penetrate through the main body and the clamping blocks and are used for extending into the pier columns.

In some alternatives, a spacer is disposed between the top of the first bracket and the bottom of the bailey beam.

Compared with the prior art, the utility model has the advantages that: in this scheme, with the same landing leg subassembly of horizontal bridge pier stud quantity originally do not set up on each pier stud, every the landing leg subassembly includes along the longitudinal bridge is used for setting up respectively in two first brackets of pier stud both sides. The two groups of bailey beams are respectively connected to the tops of the first brackets at two sides of the pier column. A plurality of first distribution beams for supporting the capping beam templates are supported on the bailey beams. In order to provide sufficient supporting force for the cantilever end of the bailey beam, a supporting frame connected to the side wall of the outermost pier column is arranged below the cantilever end of the bailey beam. The high pier large cantilever bent cap support that this scheme provided simple structure, the atress is stable, and construction is convenient. Solves the problems of heavy bracket structure, poor stability, low construction efficiency and large steel consumption in the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a high pier large cantilever bent cap bracket in an embodiment of the utility model;

FIG. 2 is a schematic cross-sectional view taken along the direction 1-1 in FIG. 1 in accordance with an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view taken along the direction 2-2 in FIG. 1 in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic view of a supporting frame according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view taken along the direction 1-1 in FIG. 4 in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic view of a first bracket according to an embodiment of the present utility model;

FIG. 7 is a schematic cross-sectional view taken along the 1-1 direction in FIG. 6 in accordance with an embodiment of the present utility model;

FIG. 8 is a schematic cross-sectional view taken along the direction 2-2 in FIG. 6 in accordance with an embodiment of the present utility model;

FIG. 9 is a schematic cross-sectional view taken along the line 3-3 in FIG. 6 in accordance with an embodiment of the present utility model;

FIG. 10 is a schematic cross-sectional view taken along the direction 4-4 in FIG. 6 in accordance with an embodiment of the present utility model;

FIG. 11 is a schematic cross-sectional view taken along the 5-5 direction in FIG. 6 in accordance with an embodiment of the present utility model;

FIG. 12 is a schematic flow chart of a method for constructing a high pier large cantilever bent cap bracket in an embodiment of the utility model;

in the figure: 1. bailey beam; 2. a first bracket; 21. a main body; 22. a clamping block; 23. a second reinforcing bar; 3. pier column; 4. a first distribution beam; 5. a capping beam template; 6. a support frame; 61. a first reinforcing bar; 62. a reinforcing rod; 7. a second distribution beam; 8. a connecting rod; 9. reinforcing vertical rods; 10. and the second bracket.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the present utility model provides a high pier large cantilever capping beam bracket, comprising:

the number of the supporting leg assemblies is the same as that of the transverse bridge pier columns 3, and each supporting leg assembly comprises two first corbels 2 which are respectively arranged at two sides of the corresponding pier column 3 along the longitudinal bridge direction;

the two groups of bailey beams 1 are respectively connected to the tops of the first brackets 2 at the two sides of the pier column 3;

a plurality of first distribution beams 4 disposed on top of the two sets of bailey beams 1 for supporting the capping beam templates 5;

and a supporting frame 6, which is used for being arranged on the side wall of the outermost pier column 3 so as to support the cantilever end of the beret beam 1 extending out of the pier column 3.

In this embodiment, the same number of leg assemblies as the number of the cross-bridge pier columns 3 are provided on each pier column 3, and each leg assembly includes two first brackets 2 respectively provided on both sides of the corresponding pier column 3 in the longitudinal bridge direction. The two groups of bailey beams 1 are respectively connected to the tops of the first brackets 2 on the two sides of the pier column 3. A plurality of first distribution beams 4 for supporting a capping beam template 5 are supported on the bailey beam 1. In order to provide sufficient supporting force for the cantilever end of the bailey beam 1, a supporting frame 6 connected to the side wall of the outermost pier column 3 is arranged below the cantilever end of the bailey beam 1. The high pier large cantilever bent cap support that this scheme provided simple structure, the atress is stable, and construction is convenient. Solves the problems of heavy bracket structure, poor stability, low construction efficiency and large steel consumption in the prior art.

In some alternative embodiments, as shown in fig. 3, 4 and 5, the support frame 6 comprises two right triangle brackets spaced apart along the longitudinal bridge direction on the side walls of the outermost pier column 3, and each of the right triangle brackets supports two sets of the beret beams 1 extending from the cantilever ends of the pier column 3, wherein the vertical right angle side of each right triangle bracket is used for connecting the pier column 3, and the horizontal right angle side is supported at the bottom of the cantilever end of the beret beam 1.

In this embodiment, two right triangle supports correspond to two sets of bailey beams 1 respectively, and provide sufficient support for cantilever ends of the bailey beams 1 extending out of the outermost pier column 3. The right triangle has simple structure and less material consumption and provides enough supporting strength.

In some alternative embodiments, a plurality of first reinforcing bars 61 are provided at the right-angled end of the right-angled triangle support, and the first reinforcing bars 61 are used to extend into the pier stud 3.

In this embodiment, a plurality of first reinforcing bars 61 disposed at one end of the right angle side of the right angle triangle support are used to extend into the pier column 3, so as to ensure the connection strength between the right angle triangle support and the pier column 3.

In some alternative embodiments, the right triangle support further comprises three reinforcing bars 62, wherein two ends of the three reinforcing bars 62 are respectively connected to midpoints of two different sides of the right triangle support.

In this embodiment, among the three reinforcing rods 62, two ends of the first reinforcing rod 62 are respectively connected to midpoints of the horizontal right-angle side and the vertical right-angle side, two ends of the second reinforcing rod 62 are respectively connected to midpoints of the horizontal right-angle side and the oblique side, and two ends of the third reinforcing rod 62 are respectively connected to midpoints of the vertical right-angle side and the oblique side. By providing three reinforcing rods 62, the support strength and stability of the right triangle support are improved.

In some alternative embodiments, a plurality of connecting rods 8 are connected between the two right triangle brackets.

In this embodiment, be connected with many connecting rods 8 between two right angle triangle-shaped supports, further promote triangle-shaped support's support strength and stability.

In some alternative embodiments, the top of the end of the right triangle support that is horizontally right-angled away from the right angle is provided with a second distribution beam 7 to support the cantilever end of the bailey beam 1.

In the present embodiment, by providing the second distribution beam 7, the supporting force of the support frame 6 to the bailey beam 1 is ensured. The first distribution beam 4 and the second distribution beam 7 are both i-steel.

In some alternative embodiments, the bailey beam 1 is provided with reinforcing vertical bars 9 at the location of connection with the second distribution beam 7.

In the present embodiment, the reinforcing vertical bars 9 are provided in the vertical direction of the bailey beam 1 where the second distribution beam 7 supports the bailey beam 1, improving the structural strength of the bailey beam 1.

In some alternative embodiments, a second bracket 10 is also included for attachment to the pier stud 3 to support the support frame 6.

In this embodiment, the bottom of the supporting frame 6 is provided with a second bracket 10 connected to the pier stud 3, so as to further improve the supporting strength of the supporting frame 6.

As shown in fig. 6-11, in some alternative embodiments, the first bracket 2 includes:

a main body 21;

a clamping block 22 connected to one side of the main body 21 for being matched with a clamping groove on the pier stud 3;

a plurality of second reinforcing bars 23 disposed at intervals, which pass through the body 21 and the clamping block 22, for extending into the pier column 3.

In this embodiment, the clamping block 22 extends into a reserved clamping groove on the pier stud 3, so that the first bracket 2 is connected with the pier stud 3. The second reinforcing steel bars 23 are arranged at intervals, penetrate through the main body 21 and the clamping blocks 22 and are used for extending into the pier column 3, and further strengthen the connection between the first bracket 2 and the pier column 3.

In some alternative embodiments, a spacer is arranged between the top of the first bracket 2 and the bottom of the bailey beam 1.

In this embodiment, a cushion block is provided on the plane of the top of the first bracket 2, and the bailey beam 1 is provided on the cushion block. The cushion block provides a certain buffer, so that the support of the first bracket 2 to the bailey beam 1 is more stable.

As shown in fig. 12, a construction method of a high pier large cantilever bent cap bracket is implemented by using the high pier large cantilever bent cap bracket, and comprises the following steps:

s1: and the first bracket 2, the support frame 6, the bailey beam 1 and the first distribution beam 4 are sequentially installed, so that the capping beam bracket installation is completed.

S2: and paving a capping beam template 5, and pouring concrete.

S3: and removing the bent cap brackets according to the reverse installation sequence.

In this embodiment, when the pier stud 3 is constructed, the first bracket 2 and the second bracket 10 are pre-buried, and after the construction with the pier stud 3 is completed, the first bracket 2, the second bracket 10, the drop pad, the support frame 6, the second distribution beam 7, the bailey beam 1 and the first distribution beam 4 are sequentially installed. And paving a bent cap template 5, namely paving a bent cap bottom die, binding reinforcing steel bars and installing a bent cap side die. And (5) completing concrete pouring. After the concrete pouring is completed, removing the bent cap support according to the reverse order of installation, and comprising the following steps: and lowering the height of the unloading cushion block, and sequentially removing the cover beam template 5, the first distribution beam 4, the bailey beam 1, the second distribution beam 7, the support frame 6, the first bracket 2 and the second bracket 10. And finally, the bracket is used for next span beam construction.

In summary, the present utility model is provided with the same number of leg assemblies as the number of the cross-bridge pier columns 3 on each pier column 3, and each leg assembly includes two first brackets 2 respectively disposed on two sides of the corresponding pier column 3 along the longitudinal bridge direction. The two groups of bailey beams 1 are respectively connected to the tops of the first brackets 2 on the two sides of the pier column 3. A plurality of first distribution beams 4 for supporting a capping beam template 5 are supported on the bailey beam 1. In order to provide sufficient supporting force for the cantilever end of the bailey beam 1, a supporting frame 6 connected to the side wall of the outermost pier column 3 is arranged below the cantilever end of the bailey beam 1. The high pier large cantilever bent cap support that this scheme provided simple structure, the atress is stable, and construction is convenient. Solves the problems of heavy bracket structure, poor stability, low construction efficiency and large steel consumption in the prior art. The defects of heavy structure, large deformation, low turnover utilization rate, complex operation, high requirement on hoisting equipment, long overhead installation and welding operation time and inconvenient construction of the traditional high pier large cantilever bracket and the non-standard bent cap bracket are overcome. The advantages of the beret sheet, such as flexible length adjustment and strong bending resistance, are utilized, and meanwhile, the support frame 6 is additionally arranged on the cantilever end support of the large cantilever bent cap so that the support body structure meets the stress requirement.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a high mound big cantilever bent cap support which characterized in that includes:

the number of the supporting leg assemblies is the same as that of the transverse bridge pier columns (3), and each supporting leg assembly comprises two first brackets (2) which are respectively arranged at two sides of the corresponding pier column (3) along the longitudinal bridge direction;

the two groups of bailey beams (1) are respectively connected to the tops of the first brackets (2) at two sides of the pier column (3);

a plurality of first distribution beams (4) arranged on the tops of the two groups of bailey beams (1) and used for supporting a capping beam template (5);

and the supporting frame (6) is used for being arranged on the side wall of the outermost pier column (3) so as to support the cantilever end of the beret beam (1) extending out of the pier column (3).

2. The high pier large cantilever bent cap support according to claim 1, wherein the support frame (6) comprises two right triangle supports which are arranged on the side wall of the outermost pier column (3) at intervals along the longitudinal bridge direction, two groups of cantilever ends of the pier column (3) extending out of the beret beam (1) are respectively supported, the vertical right angle side of each right triangle support is used for connecting the pier column (3), and the horizontal right angle side is supported at the bottom of the cantilever end of the beret beam (1).

3. The high pier large cantilever bent cap support according to claim 2, wherein a plurality of first reinforcing bars (61) are arranged at one end of the right angle triangle support, and the first reinforcing bars (61) are used for extending into the pier column (3).

4. The high pier large cantilever bent cap stent of claim 2, wherein the right triangle stent further comprises three reinforcing rods (62), and two ends of the three reinforcing rods (62) are respectively connected to midpoints on two different sides of the right triangle stent.

5. The high pier large cantilever bent cap bracket according to claim 2, wherein a plurality of connecting rods (8) are connected between the two right triangle brackets.

6. The high pier large cantilever capping beam bracket according to claim 2, wherein a second distribution beam (7) is arranged at the top of one end of the horizontal right angle side of the right-angle triangle bracket far away from the right angle so as to support the cantilever end of the beret beam (1).

7. The high pier large cantilever bent cap bracket according to claim 6, wherein the position where the bailey beam (1) is connected with the second distribution beam (7) is provided with a reinforcing vertical rod (9).

8. The high pier large cantilever capping beam bracket according to claim 1, further comprising a second bracket (10) for connecting to a pier column (3) to support the support frame (6).

9. The high pier large cantilever bent cap stand according to claim 1, wherein the first bracket (2) comprises:

a main body (21);

a clamping block (22) connected to one side of the main body (21) and used for being matched with a clamping groove on the pier column (3);

and a plurality of second reinforcing steel bars (23) which are arranged at intervals and penetrate through the main body (21) and the clamping blocks (22) for extending into the pier column (3).

10. The high pier large cantilever bent cap bracket according to claim 1, wherein a cushion block is arranged between the top of the first bracket (2) and the bottom of the bailey beam (1).

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