Bridge rectangular pier capping beam construction support structure

Abstract

The utility model relates to the technical field of bridge construction, in particular to a bridge rectangular pier capping beam construction support structure which comprises a rectangular pier body, two mounting holes are pre-formed in each of the two sides of the rectangular pier body, steel bars are inserted into the mounting holes, channel steel is fixedly connected to the steel bars, two jacks are fixedly installed on the channel steel, and the two jacks are fixedly connected to the rectangular pier body. The two jacks on each side are fixedly provided with reinforcing and supporting assemblies, the reinforcing and supporting assemblies are fixedly provided with a plurality of finish rolling deformed steel bar pull rods, the reinforcing and supporting assemblies are fixedly provided with a plurality of first distribution beams, and the reinforcing and supporting assemblies and the finish rolling deformed steel bar pull rods are arranged, so that the first I-shaped steel is prevented from laterally overturning; the two pieces of first I-shaped steel are fixedly connected through four finish rolling deformed steel bar pull rods penetrating through first I-shaped steel webs, a plurality of triangles are formed among the second I-shaped steel, the connecting steel, the first I-shaped steel and the supporting steel, and the stability of the first I-shaped steel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a construction support structure for a rectangular pier cap beam of a bridge. Background Art

[0002] In recent years, with the development and construction of the country, more and more expressways have been built in mountainous areas, and more and more bridges have been built in mountainous areas. Rectangular high piers are a type of bridge pier that is widely used. High pier single pier cap beams are very difficult to construct due to their high height, large load, long construction period, and high safety risks.

[0003] In the process of constructing the rectangular pier cap beam of the bridge, common methods include the clamp method, the corbel method, the pin method, and the ground bracket method. Since the bracket needs to bear a high weight, using a small number of I-beams as the bracket of the cap beam cannot meet the strength of the structure, resulting in low stability of the bracket and great safety hazards. For this reason, the utility model proposes a construction bracket structure for the rectangular pier cap beam of the bridge to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a construction support structure for a rectangular pier cap beam of a bridge, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction support structure for a rectangular pier cap beam of a bridge, comprising a rectangular pier body, two mounting holes are preset on both sides of the rectangular pier body, steel bars are inserted into the mounting holes, channel steels are fixedly connected to the steel bars, two jacks are fixedly installed on the channel steels, and a reinforcement support assembly is fixedly provided on the two jacks on each side, a plurality of precision-rolled threaded steel tie rods are fixedly provided on the reinforcement support assembly, a plurality of first distribution beams are fixedly provided on the reinforcement support assembly, a plurality of second distribution beams are fixedly provided on the reinforcement support assembly, and an outer guardrail is fixedly connected to the plurality of first distribution beams and the plurality of second distribution beams.

[0006] Preferably, the length of the second distribution beam is smaller than that of the first distribution beam, and the reinforcement support assembly includes a first I-beam, a connecting steel and a supporting steel. The first I-beam is fixedly connected to two jacks, and two second I-beams are vertically fixedly connected to the lower end of the first I-beam.

[0007] Preferably, the lower end of the second I-beam is fixedly connected to a reinforcing steel, the first I-beam is fixedly connected to the reinforcing steel via a connecting steel, and one end of the supporting steel is fixedly connected to the connecting steel.

[0008] Preferably, the other end of the support steel is fixedly connected to the intersection of the second I-beam and the first I-beam, and the second I-beam, the connecting steel and the first I-beam form a triangle.

[0009] Preferably, the two first I-beams on both sides of the rectangular pier body are fixedly connected by four precision-rolled threaded steel tie rods, and the two reinforcement steels on both sides of the rectangular pier body are fixedly connected by two precision-rolled threaded steel tie rods.

[0010] Preferably, the plurality of first distribution beams are fixedly connected to the first I-beam and are located outside the rectangular pier body, and the plurality of second distribution beams have one end fixedly connected to the first I-beam and the other end fixedly connected to the lower end of the outer guardrail.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] By providing a reinforced support assembly and a precision-rolled threaded steel tie rod, in order to prevent the first I-beam from lateral overturning, four precision-rolled threaded steel tie rods are used to pass through the web of the first I-beam to fix the two first I-beams, and multiple triangles are formed between the second I-beam, the connecting steel, the first I-beam and the supporting steel, and the stability of the first I-beam is improved; by providing a first distribution beam, a second distribution beam and an outer guardrail, multiple second distribution beams are welded to the first I-beam, multiple first distribution beams are welded to the first I-beam, and the outer guardrail is fixedly connected to the first distribution beam and the second distribution beam, the stability of the first distribution beam and the second distribution beam is improved, thereby improving the stability of the bracket, making the bracket safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the reinforcement support assembly of the utility model;

[0015] Figure 3 This is a schematic diagram of the distribution beam installation structure of the utility model;

[0016] Figure 4 It is the front view of the utility model.

[0017] In the figure: 1. Rectangular pier body; 2. Mounting hole; 3. Steel rod; 4. Channel steel; 5. Jack; 6. Reinforcement support assembly; 7. Finished rolled threaded steel tie rod; 8. First distribution beam; 9. Second distribution beam; 10. Outer guardrail; 61. First I-beam; 62. Second I-beam; 63. Reinforcement steel; 64. Connection steel; 65. Support steel. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 4 The utility model provides a technical solution: a bridge rectangular pier cap beam construction support structure, including a rectangular pier body 1, two installation holes 2 are preset on both sides of the rectangular pier body 1, a steel rod 3 is inserted in the installation hole 2, a channel steel 4 is fixedly connected to the steel rod 3, two jacks 5 are fixedly installed on the channel steel 4, and a reinforcement support assembly 6 is fixedly arranged on the two jacks 5 on each side, and a plurality of precision-rolled threaded steel tie rods 7 are fixedly arranged on the reinforcement support assembly 6, a plurality of first distribution beams 8 are fixedly arranged on the reinforcement support assembly 6, a plurality of second distribution beams 9 are fixedly arranged on the reinforcement support assembly 6, and an outer guardrail 10 is fixedly connected to the plurality of first distribution beams 8 and the plurality of second distribution beams 9. By arranging the reinforcement support assembly 6 and the precision-rolled threaded steel tie rod 7 In order to prevent the first I-beam 61 from tipping over laterally, four precision-rolled threaded steel tie rods 7 are used to pass through the web of the first I-beam 61 to fix the two first I-beams 61. Multiple triangles are formed between the second I-beam 62, the connecting steel 64, the first I-beam 61 and the supporting steel 65. The stability of the first I-beam 61 is improved. By providing a first distribution beam 8, a second distribution beam 9 and an outer guardrail 10, multiple second distribution beams 9 are welded to the first I-beam 61, multiple first distribution beams 8 are welded to the first I-beam 61, and the outer guardrail 10 is fixedly connected to the first distribution beam 8 and the second distribution beam 9. The stability of the first distribution beam 8 and the second distribution beam 9 is improved, thereby improving the stability of the bracket and making the bracket safer.

[0020] The length of the second distribution beam 9 is less than that of the first distribution beam 8. The reinforcement support assembly 6 includes a first I-beam 61, a connecting steel 64 and a supporting steel 65. The first I-beam 61 is fixedly connected to the two jacks 5. The lower end of the first I-beam 61 is vertically fixedly connected to two second I-beams 62. The lower end of the second I-beam 62 is fixedly connected to a reinforcing steel 63. The first I-beam 61 is fixedly connected to the reinforcing steel 63 through the connecting steel 64. One end of the supporting steel 65 is fixedly connected to the connecting steel 64. The supporting steel The other end of 65 is fixedly connected at the intersection of the second I-beam 62 and the first I-beam 61. The second I-beam 62, the connecting steel 64 and the first I-beam 61 form a triangle. In order to prevent the first I-beam 61 from tipping over laterally, four precision-rolled threaded steel tie rods 7 are used to pass through the web of the first I-beam 61 to fix the two first I-beams 61. Multiple triangles are formed between the second I-beam 62, the connecting steel 64, the first I-beam 61 and the supporting steel 65, and the stability of the first I-beam 61 is improved.

[0021] The two first I-beams 61 on both sides of the rectangular pier body 1 are fixedly connected by four precision-rolled threaded steel tie rods 7, the two reinforcing steels 63 on both sides of the rectangular pier body 1 are fixedly connected by two precision-rolled threaded steel tie rods 7, a plurality of first distribution beams 8 are fixedly connected to the first I-beam 61 and are located on the outside of the rectangular pier body 1, a plurality of second distribution beams 9 are fixedly connected to the first I-beam 61 at one end and fixedly connected to the lower end of the outer guardrail 10 at the other end, the pier body position of the rectangular pier body 1 is achieved by welding a plurality of second distribution beams 9 to the first I-beam 61, and a plurality of first distribution beams 8 are welded to the first I-beam 61 on the outside of the pier body of the rectangular pier body 1, the outer guardrail 10 is fixedly connected to the first distribution beam 8 and the second distribution beam 9, the stability of the first distribution beam 8 and the second distribution beam 9 is improved, thereby improving the stability of the bracket.

[0022] In actual use, mounting holes 2 for mounting steel bars 3 are pre-buried on both sides of the rectangular pier body 1. Since the jack 5 is to be mounted on the steel bar 3, which has a curved surface, a channel steel 4 needs to be fixedly mounted horizontally on the two steel bars 3. The jack 5 is vertically aligned with the position of the steel bar 3 and fixedly mounted on the channel steel 4. The first I-beam 61 is mounted on the jack 5. To prevent the first I-beam 61 from tipping over laterally, four precision-rolled threaded steel tie rods 7 are used between the two first I-beams 61 to pass through the web of the first I-beam 61 for fixing and connecting. The second I-beam 62, the connecting steel 64, the first I-beam 61 and the supporting steel 65 form a plurality of triangles, the stability of the first I-beam 61 is improved, and a plurality of second distribution beams 9 are welded to the first I-beam 61 at the pier body position of the rectangular pier body 1, and a plurality of first distribution beams 8 are welded to the first I-beam 61 on the outside of the pier body of the rectangular pier body 1, and the outer guardrail 10 is fixedly connected to the first distribution beam 8 and the second distribution beam 9, so that the stability of the first distribution beam 8 and the second distribution beam 9 is improved.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction support structure for a rectangular bridge pier cap beam, comprising a rectangular pier body (1), characterized in that: Two mounting holes (2) are preset on both sides of the rectangular pier body (1), a steel rod (3) is inserted into the mounting hole (2), a channel steel (4) is fixedly connected to the steel rod (3), two jacks (5) are fixedly installed on the channel steel (4), a reinforcement support assembly (6) is fixedly arranged on the two jacks (5) on each side, a plurality of fine-rolled threaded steel tie rods (7) are fixedly arranged on the reinforcement support assembly (6), a plurality of first distribution beams (8) are fixedly arranged on the reinforcement support assembly (6), a plurality of second distribution beams (9) are fixedly arranged on the reinforcement support assembly (6), and an outer guardrail (10) is fixedly connected to the plurality of first distribution beams (8) and the plurality of second distribution beams (9).

2. A bridge rectangular pier cap beam construction support structure according to claim 1, characterized in that: The length of the second distribution beam (9) is less than that of the first distribution beam (8); the reinforcement support assembly (6) comprises a first I-beam (61), a connecting steel (64) and a supporting steel (65); the first I-beam (61) is fixedly connected to two jacks (5); and two second I-beams (62) are vertically fixedly connected to the lower end of the first I-beam (61).

3. A bridge rectangular pier cap beam construction support structure according to claim 2, characterized in that: The lower end of the second I-beam (62) is fixedly connected to a reinforcing steel (63), and the first I-beam (61) and the reinforcing steel (63) are fixedly connected via a connecting steel (64).

4. A bridge rectangular pier cap beam construction support structure according to claim 3, characterized in that: One end of the support steel (65) is fixedly connected to the connecting steel (64), and the other end of the support steel (65) is fixedly connected to the intersection of the second I-beam (62) and the first I-beam (61), and the second I-beam (62), the connecting steel (64) and the first I-beam (61) form a triangle.

5. A construction support structure for a rectangular bridge pier cap beam according to claim 4, characterized in that: The two first I-beams (61) on both sides of the rectangular pier body (1) are fixedly connected via four precision-rolled threaded steel tie rods (7), and the two reinforcing steels (63) on both sides of the rectangular pier body (1) are fixedly connected via two precision-rolled threaded steel tie rods (7).

6. A construction support structure for a rectangular bridge pier cap beam according to claim 5, characterized in that: A plurality of the first distribution beams (8) are fixedly connected to a first I-beam (61) and are located outside the rectangular pier body (1); a plurality of the second distribution beams (9) are fixedly connected at one end to the first I-beam (61) and at the other end to the lower end of the outer guardrail (10).

Images