CN212956161U

CN212956161U - Bridge construction supporting equipment for drift sand geology

Info

Publication number: CN212956161U
Application number: CN202021544855.8U
Authority: CN
Inventors: 李志武; 毋存粮; 姚兵; 张�浩; 范保鑫; 鞠军令; 周晗; 周景中; 张小磊; 刘全玉; 马蒙蒙; 随祎; 管雷雨
Original assignee: China Construction Seventh Engineering Division Corp Ltd; Transportation Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd; Transportation Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-13
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to a bridge construction technical field specifically is a bridge construction support equipment for drift sand geology, including first abutment and second abutment, the bottom of first abutment is provided with first cushion, the top of first abutment is provided with first stone, the surface of first abutment is provided with first strengthening rib, the top of first abutment is provided with the fixed block, the top of second abutment is provided with second stone. The surface of second abutment is provided with the second strengthening rib, the surface of first cushion cap is provided with anti-corrosion subassembly, anti-corrosion subassembly is including the package board, the one end of package board is provided with the connecting plate, the surface of package board is provided with fixing bolt, the bottom of first cushion cap is provided with the bored concrete pile. The utility model discloses have lower part stable structure, it is strong to flow sand texture district stability, and has anticorrosion structure, and the cushion cap is difficult for suffering the erosion of river quicksand, and the security is high.

Description

Bridge construction supporting equipment for drift sand geology

Technical Field

The utility model relates to a bridge construction technical field, especially a bridge construction support equipment for drift sand geology.

Background

The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, is suitable for the modern high-speed developed traffic industry, is also extended to be a building erected to span mountain stream, unfavorable geology or meet other traffic needs to enable the bridge to pass through more conveniently, and provides great convenience for human production and life.

In some drift sand geological areas, the requirement on the stability of the foundation of the bridge is high, the existing bridge supporting equipment lacks a lower stabilizing mechanism, and after the bridge is used for a period of time, a bearing platform of the supporting equipment is easily corroded by river water and drift sand, so that the safety of the bridge is greatly influenced, and therefore, the bridge construction supporting equipment for the drift sand geology is urgently needed to be designed to solve the problems.

Disclosure of Invention

To the situation, for solving the problem that exists among the prior art, the utility model aims at providing a bridge construction supporting equipment for drift sand geology, can effectively solve current bridge supporting equipment and lack stable structure, drift sand texture district poor stability, and lack anti-corrosion structure, the cushion cap easily suffers the problem that river drift sand corrodes.

The technical scheme who solves is including first abutment and second abutment, the bottom of first abutment is provided with first cushion cap, the top of first abutment is provided with first stone pad, the surface of first abutment is provided with first strengthening rib, the top of first abutment is provided with the fixed block, the top of second abutment is provided with the second stone pad. The surface of second abutment is provided with the second strengthening rib, the surface of first cushion cap is provided with anti-corrosion subassembly, anti-corrosion subassembly is including the package board, the one end of package board is provided with the connecting plate, the surface of package board is provided with fixing bolt, the bottom of first cushion cap is provided with the bored concrete pile.

Preferably, the first abutment and the second abutment are respectively provided with two groups, the two groups of first abutments are respectively arranged on the river bank, and the two groups of second abutments are respectively arranged in the center of the river.

Preferably, two second bridge abutments are arranged in one group and are respectively arranged on two sides of the bridge body.

Preferably, the anti-corrosion assembly is provided with four groups, and the four groups of anti-corrosion assemblies are respectively sleeved on the outer surfaces of the first bearing platform and the second bearing platform.

Preferably, threaded holes are formed in the outer surfaces of the two ends of the wrapping plate and the outer surface of the two ends of the connecting plate, and the fixing bolts are connected with the wrapping plate and the connecting plate in a screwing mode respectively.

Preferably, the outer surface cover of bored concrete pile is equipped with the sleeve, telescopic surface is provided with the third strengthening rib.

Compared with the prior art, the beneficial effects of the utility model are that: this a bridge construction support equipment for drift sand geology has lower part stable structure, and it is strong to flow sand ground texture district stability, and has anti-corrosion structure, and the cushion cap is difficult for suffering river water drift sand to corrode, and the security is high.

(1) Fourteen cast-in-place piles are arranged at the bottom end of each group of first bearing platforms, so that the stability of the first bridge abutment on the bank side is improved, six cast-in-place piles are arranged at the bottom end of each group of second bearing platforms, the stability of the second bridge abutment and the center is improved, meanwhile, the stability between the first bridge abutment and the first bearing platforms is improved through the first reinforcing ribs arranged on the outer surface of the first bridge abutment, the stability between the second bridge abutment and the second bearing platforms is improved through the second reinforcing ribs arranged on the outer surface of the second bridge abutment, sleeves are sleeved on the outer surface of each cast-in-place pile, and the third reinforcing ribs arranged on the outer surface of each sleeve are respectively connected and fixed with the bottom ends of the first bearing platforms and the second bearing platforms, so that the stability between the first bearing platforms and the foundation and the second bearing platforms and the foundation is improved, and further the bridge substructure is very stable;

(2) the outer surface of the first bearing platform and the outer surface of the second bearing platform are respectively sleeved with the wrapping plates, the number of the connecting plates and the tightness degree of the fixing bolts and the threaded holes are adjusted, so that the wrapping plates and the connecting plates stably wrap the outer surfaces of the first bearing platform and the second bearing platform, the outer surfaces of the first bearing platform and the second bearing platform are not easily corroded by river quicksand, and the safety of the bridge is improved.

Drawings

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

Fig. 2 is a schematic front view of the first abutment in fig. 1 according to the present invention.

Fig. 3 is a schematic front view of the second abutment of fig. 1 according to the present invention.

Fig. 4 is a schematic top view of the erosion prevention assembly of fig. 1 according to the present invention.

Fig. 5 is a schematic top view of the structure of the cast-in-place pile shown in fig. 1 according to the present invention.

In the figure: 1. a first abutment; 11. a first pad stone; 12. a first reinforcing rib (12); 13. a fixed block; 2. a second abutment; 21. a second pad stone; 22. a second reinforcing rib; 3. a first bearing platform; 4. a second platform; 5. an erosion prevention component; 51. wrapping a plate; 52. a connecting plate; 53. fixing the bolt; 6. filling piles; 61. a sleeve; 62. and a third reinforcing rib.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present invention comprises a first abutment 1 and a second abutment 2, the first abutment 1 is provided with two sets, one in each set, the second abutment 2 is provided with two sets, two in each set, the first abutment 1 and the second abutment 2 are respectively thin-wall type abutments, construction materials are saved while ensuring bridge safety and stability, a first bearing platform 3 is provided at the bottom end of the first abutment 1, a first cushion stone 11 is provided at the top end of the first abutment 1, the first cushion stone 11 is connected to the bottom end of the abutment during construction, a first reinforcing rib 12 is provided at the outer surface of the first abutment 1, stability between the first abutment 1 and the first bearing platform 3 is increased, a fixing block 13 is provided at the top end of the first abutment 1, an auxiliary effect is provided for bridge stability, a second cushion stone 21 is provided at the top end of the second abutment 2, the second cushion stone 21 is connected to the bottom end of the abutment during construction, the surface of second abutment 2 is provided with second strengthening rib 22, has increased the stability between second abutment 2 and the second cushion cap 4, and the surface of first cushion cap 3 is provided with prevents corroding subassembly 5, prevents corroding subassembly 5 including package board 51, and the one end of package board 51 is provided with connecting plate 52, and the surface of package board 51 is provided with fixing bolt 53, and the bottom of first cushion cap 3 is provided with bored concrete pile 6 for support whole pontic.

In one embodiment, the first abutment 1 and the second abutment 2 are respectively provided with two sets, the two sets of first abutments 1 are respectively arranged on the river bank, the two sets of second abutments 2 are respectively arranged in the center of the river, the two sets of second abutments 2 are respectively arranged on two sides of the bridge body, the river bottom surface is anhydrous after diversion, the underground water is stable and meets construction requirements through pumping drainage, water burst can not be considered, the river course is backfilled by adopting clay to build an island during pile foundation construction, and a diversion pipe is buried at the river bottom to ensure that flowing water is unobstructed.

In one embodiment, the anti-corrosion assemblies 5 are provided with four groups, the four groups of anti-corrosion assemblies 5 are respectively sleeved on the outer surfaces of the first bearing platform 3 and the second bearing platform 4, the outer surfaces of the first bearing platform 3 and the second bearing platform 4 can be wrapped by the anti-corrosion assemblies 5, the first bearing platform 3 and the second bearing platform 4 are further enabled not to be corroded by river quicksand easily, and the safety of the bridge body is improved.

In one embodiment, threaded holes are formed in the outer surfaces of the two ends of the wrapping plate 51 and the connecting plate 52, the fixing bolts 53 are respectively screwed with the wrapping plate 51 and the connecting plate 52, the wrapping plate 51 and the connecting plate 52 can completely wrap the first bearing platform 3 and the second bearing platform 4 through the combination of a proper number of connecting plates 52, meanwhile, the tightness degree can be set through screwing and adjusting the fixing bolts 53, and the wrapping plate 51 and the connecting plate 52 are convenient to disassemble when needing to be replaced.

In one embodiment, the outer surface of the cast-in-place pile 6 is sleeved with a sleeve 61, and the outer surface of the sleeve 61 is provided with a third reinforcing rib 62, so that the stability between the first bearing platform 3 and the second bearing platform 4 and the bridge foundation is increased.

The working principle is as follows: during the use, insert bored concrete pile 6 in the river course underground, adopt clay to build the island and backfill, be connected to the top of bored concrete pile 6 with first cushion cap 3 and second cushion cap 4 again, connect first abutment 1 to the top of first cushion cap 3 after that, second abutment 2 connects to the top of second cushion cap 4, connect the bridge body to the top of first stone pad 11 and second stone pad 21 at last, can accomplish the support of bridge, because first strengthening rib 12, second strengthening rib 22 and third strengthening rib 62 for the bridge substructure tends towards stability.

The appropriate number of connecting plates 52 are selected, and then the fixing bolts 53 are adjusted to enable the wrapping plates 51 and the connecting plates 52 to completely and stably wrap the first bearing platform 3 and the second bearing platform 4, so that the first bearing platform 3 and the second bearing platform 4 can be protected, the erosion of river water and quicksand is avoided, and the safety of the bridge is improved.

Claims

1. The bridge construction supporting equipment for quicksand geology comprises a first bridge abutment (1) and a second bridge abutment (2) and is characterized in that a first bearing platform (3) is arranged at the bottom end of the first bridge abutment (1), a first cushion stone (11) is arranged at the top end of the first bridge abutment (1), a first reinforcing rib (12) is arranged on the outer surface of the first bridge abutment (1), a fixing block (13) is arranged at the top end of the first bridge abutment (1), a second cushion stone (21) is arranged at the top end of the second bridge abutment (2), a second reinforcing rib (22) is arranged on the outer surface of the second bridge abutment (2), an anti-corrosion assembly (5) is arranged on the outer surface of the first bearing platform (3), the anti-corrosion assembly (5) comprises a wrapping plate (51), a connecting plate (52) is arranged at one end of the wrapping plate (51), and a fixing bolt (53) is arranged on the outer surface of the wrapping plate (51), and a cast-in-place pile (6) is arranged at the bottom end of the first bearing platform (3).

2. The bridge construction supporting device for quicksand geology according to claim 1, characterized in that, said first abutment (1) and second abutment (2) are respectively provided with two sets, two sets of said first abutment (1) are respectively provided on the river bank, and two sets of said second abutment (2) are respectively provided in the river center.

3. A bridge construction support apparatus for quicksand geology as claimed in claim 1 wherein: and two second bridge abutments (2) are arranged in one group, and the two second bridge abutments (2) are respectively arranged on two sides of the bridge body.

4. A bridge construction support apparatus for quicksand geology as claimed in claim 1 wherein: the anti-corrosion component (5) is provided with four groups, and the four groups of anti-corrosion components (5) are respectively sleeved on the outer surfaces of the first bearing platform (3) and the second bearing platform (4).

5. A bridge construction support apparatus for quicksand geology as claimed in claim 1 wherein: threaded holes are formed in the outer surfaces of the two ends of the wrapping plate (51) and the outer surface of the two ends of the connecting plate (52), and the fixing bolts (53) are connected with the wrapping plate (51) and the connecting plate (52) in a screwing mode respectively.

6. A bridge construction support apparatus for quicksand geology as claimed in claim 1 wherein: the outer surface cover of bored concrete pile (6) is equipped with sleeve (61), the surface of sleeve (61) is provided with third strengthening rib (62).