CN-122013654-A - Anti-sedimentation device for road and bridge construction and construction method thereof

Abstract

The application relates to the anti-sedimentation field of road and bridge construction, and discloses an anti-sedimentation device for road and bridge construction and a construction method thereof, comprising a bridge abutment body, a roadbed structure, a piston pipeline, a pressure barrel body, an oil tank, a top-driving structure, a piston structure, a butt strap body, a transition cavity, a return spring and a mud box, wherein an installation groove is excavated in the roadbed structure at the rear side of the bridge abutment body, the piston pipeline is vertically arranged in the installation groove, the bottom of piston pipeline bottom runs through the bottom of pressure barrel staving, and piston structure slides and sets up in the piston pipeline, and pressure barrel staving has the oil tank through high-pressure oil pipe intercommunication, and the access panel body adopts concrete prefabrication to set up in the top of pushing the structure, is provided with the transition chamber between access panel body and the structure of pushing, and the multiunit reset spring is evenly arranged to the transition intracavity portion, and the right side of the roadbed structure of locating abutment body one side is provided with the mud case, mud case and transition chamber intercommunication. The application can effectively compensate sedimentation, does not need additional monitoring and later period periodic detection, and reduces maintenance cost.

Inventors

• JIANG PENG
• JING JUN
• YANG JINNAN
• LIU CHUANHUA
• ZHENG PEIGUANG
• LV FENGYONG
• LIU FENG
• ZHANG GUISHAN
• YIN JIJIE

Assignees

• 天元建设集团有限公司
• 天元路桥集团有限公司

Dates

Publication Date

20260512

Application Date

20260314

Claims (5)

1. 1. The anti-sedimentation device for road and bridge construction is characterized by comprising a bridge abutment body (1), a roadbed structure (2), a piston pipeline (3), a pressure barrel body (4), an oil tank (5), a jacking structure (6), a piston structure (7), a butt strap body (8), a transition cavity (9), a reset spring (10) and a mud box (11); An installation groove is excavated in the roadbed structure (2) at the rear side of the abutment body, a piston pipeline (3) is vertically arranged in the installation groove, the bottom of the piston pipeline (3) extends to penetrate through the bottom center position of the pressure barrel body (4), and the piston structure (7) is slidably arranged in the piston pipeline (3); The pressure barrel body (4) is communicated with an oil tank (5) through a high-pressure oil pipe, and the oil tank (5) is communicated with a jacking structure (6) through the high-pressure oil pipe; The butt strap body (8) is prefabricated and arranged above the jacking structure (6) by adopting concrete, a transition cavity (9) is arranged between the butt strap body (8) and the jacking structure (6), and a plurality of groups of reset springs (10) are uniformly arranged in the transition cavity (9); the right side of the roadbed structure (2) arranged on one side of the abutment body (1) is provided with a mud box (11), and the mud box (11) is communicated with the transition cavity (9).
2. 2. The anti-sedimentation device for road and bridge construction and the construction method thereof according to claim 1, wherein the two ends of the return spring (10) are respectively welded and fixed with the lower surface of the access board body (8) and the top side of the top moving structure (6).
3. 3. The anti-sedimentation device for road and bridge construction and the construction method thereof according to claim 1 are characterized in that the jacking structure (6) is a jacking cylinder, and the piston structure (7) is in contact with roadbed filling materials in the pressure barrel body (4) and is connected with a piston rod.
4. 4. The anti-sedimentation device for road and bridge construction and the construction method thereof according to claim 1, wherein the slurry tank (11) is provided with a delivery pump, and the output end of the delivery pump is communicated with the transition cavity (9) through a pipeline with an electromagnetic valve.
5. 5. The construction method of the anti-sedimentation device for road and bridge construction is characterized by comprising the following steps of: Step A, construction preparation, namely cleaning floating soil and sundries on the surface of a roadbed structure (2) at the rear side of a bridge abutment body (1), positioning and lofting by adopting a total station, and excavating an installation groove according to a design size; B, installing a pressure barrel assembly, hoisting a pressure barrel body (4) into the bottom of an installation groove, and sealing and connecting a piston pipeline (3) with the bottom of the pressure barrel body (4), wherein graded broken stone fillers are filled in the pressure barrel body (4) in layers; Installing a hydraulic system, fixing an oil tank (5) on the left side of a pressure barrel body (4) through a profile steel bracket, connecting an oil outlet of the pressure barrel body (4) with the oil tank (5) by adopting a high-pressure oil pipe, connecting the oil tank (5) with a jacking structure (6) by using the high-pressure oil pipe, and connecting an oil pipe joint by adopting a clamping sleeve type; Step D, installing the butt strap body (8) and the transition cavity (9), fixing the transition cavity (9) at the top end of the jacking structure (6) through a high-strength bolt, uniformly arranging and installing reset springs (10) in the transition cavity (9) according to a plum blossom shape, hoisting the butt strap body (8) by adopting an automobile crane, and adjusting levelness through a wedge-shaped steel plate after positioning; E, installing a mud system, wherein a mud box (11) is arranged on the right side of the roadbed structure (2), a conveying pump is arranged on the mud box (11), the conveying pump is connected to the transition cavity (9) by adopting a plastic composite pipe, and an electromagnetic valve on the plastic composite pipe adopts an electromagnetic reversing valve and is linked with a pressure sensor arranged at a proper position; and F, debugging and acceptance, monitoring the initial elevation of the access panel body (8) by adopting a total station, and testing the response time and the supporting force of the top-moving structure (6) by simulating settlement of sand bag stacking, wherein the mud system is subjected to 3 start-stop cycle tests.

Description

Anti-sedimentation device for road and bridge construction and construction method thereof Technical Field The application relates to the technical field of anti-sedimentation for road and bridge construction, in particular to an anti-sedimentation device for road and bridge construction and a construction method thereof. Background In municipal engineering bridge structure construction, in order to alleviate the problem of bridge head jumping, a reinforced concrete access board is arranged at a road bridge transition section, the construction quality of the bridge head access board becomes a key factor influencing the bridge head jumping, at present, cement paste or cement mortar is filled below the access board to support the access board, and the implemented standard specifications mainly comprise the urban bridge engineering construction and quality acceptance Specification CJJ2-2008 and the concrete structure engineering construction quality acceptance Specification GB 50204-2015. The existing bridge transition section bridge head butt strap construction has the following technical problems that firstly, the post-abutment earth filling is insufficient in compaction or drainage fails, the bottom of the butt strap is loosened, a vehicle is obviously jolt when passing, secondly, the butt strap is suspended and stressed, transverse fracture occurs beyond bending bearing capacity, the joint of the butt strap, a bridge abutment and a roadbed is subjected to height difference to form a staggered abutment, thirdly, the void area is expanded under repeated rolling of the vehicle, the butt strap is partially collapsed after losing support, accumulated water permeates into a base layer to soften materials, fourthly, impact vibration generated by jumping is transmitted to expansion joints, supports and abutment blocks, the bridge accessory facilities are damaged, and fifthly, the broken butt strap is replaced and rebuilt, the social cost is increased due to traffic closure, the later maintenance cost can reach 3-5 times of the initial manufacturing cost, and the repeated repair effect is limited. Disclosure of Invention The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows. The embodiment of the disclosure provides an anti-sedimentation device for road and bridge construction and a construction method thereof, so as to solve the problems in the background art. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the anti-sedimentation device for road and bridge construction is characterized by comprising a bridge abutment body, a roadbed structure, a piston pipeline, a pressure barrel body, an oil tank, a jacking structure, a piston structure, a butt strap body, a transition cavity, a return spring and a mud box; The bridge abutment body is a connecting structure of a bridge and a roadbed structure, a fixed supporting endpoint is provided for the access board body and bears load transmitted by the access board, an installation groove is excavated in the roadbed structure at the rear side of the bridge abutment body, a piston pipeline is vertically arranged in the installation groove, the bottom of the piston pipeline extends to penetrate through the bottom center position of the pressure barrel body, the piston structure is slidably arranged in the piston pipeline, the vertical movement of the piston structure can ensure that the piston stably descends after being stressed, and the pressure of roadbed filling is transmitted to a hydraulic system; The pressure barrel body is communicated with an oil tank through a high-pressure oil pipe, the oil tank is communicated with the jacking structure through the high-pressure oil pipe, receives hydraulic oil extruded by the pressure barrel and conveys the hydraulic oil to the jacking structure to drive the ejector rod to extend out, The butt strap body is prefabricated and arranged above the jacking structure by adopting concrete, a transition cavity is arranged between the butt strap body and the jacking structure, a plurality of groups of reset springs are uniformly arranged in the transition cavity, the butt strap is reset by utilizing elasticity, the anti-sedimentation effect is enhanced, and the pavement evenness is improved; the right side of the roadbed structure arranged on one side of the bridge abutment body is provided with a mud box, the mud box is communicated with the transition cavity, when sedimentation is serious, grouting is carried out to the transition cavity through a conveying pump, the recess is filled and leveled, accumulated water is prevented from penetrating into the base layer, and the bridge abutment is s