Roadbed settlement test platform for road and bridge transition section

A technology of test platform and transition section, which is applied in roads, roads, infrastructure engineering, etc., to achieve the effect of increasing the force applied and facilitating experimental records

Inactive Publication Date: 2021-08-06
马延涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the shortcomings in the prior art, and propose a subgrade settlement test platform for the transition section of road and bridge, which can effectively solve the problems raised by the background technology

Method used

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  • Roadbed settlement test platform for road and bridge transition section
  • Roadbed settlement test platform for road and bridge transition section
  • Roadbed settlement test platform for road and bridge transition section

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] refer to Figure 1-7 , a subgrade settlement test platform for the transition section of road and bridge, comprising a transparent cover 3, the bottom outer wall of the transparent cover 3 is fixedly equipped with a moving mechanism 2, the bottom end of the moving mechanism 2 is provided with a temperature adjustment mechanism 1, and the top of the transparent cover 3 The inner wall is provided with a pressure-applying mechanism 8, and the pressure-applying mechanism 8 includes a guide rail 807 fixedly installed on the inner wall of the top of the transparent cover 3, the guide rail 807 is slidably connected with an electric slider 805, and the bottom outer wall of the electric slider 805 is fixedly installed with a pressure sensor 10 , the outer wall of the bottom of the pressure sensor 10 is fixedly installed with an installation cylinder 13, and one side of the installation cylinder 13 is fixedly installed with an inflation nozzle 12, and one side of the installation ...

Embodiment 2

[0045] refer to Figure 8 , a subgrade settlement test platform for road-bridge transition sections. Compared with Embodiment 1, the display mechanism of this embodiment includes a connecting air pipe 21 fixedly connected to the installation cylinder 13, and an air bag is fixedly installed at the end of the connecting air pipe 21. 18. A double-layer thermos 19 is fixedly installed on one side of the cylinder body 13, and the air bag 18 is arranged on the inner wall of the double-layer thermos 19. The top of the double-layer thermos 19 is fixedly connected with a liquid level end 20. The double-layer thermos The inside of 19 is filled with the water liquid of mixed pigment; By the double-layer thermos bottle 19 that is set, can play good heat preservation effect, thus avoids that external temperature affects water liquid; By filling the inside of double-layer thermos bottle 19 with mixing The water liquid of the pigment is beneficial to more intuitively reflect the change of th...

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Abstract

The invention discloses a roadbed settlement test platform for a road and bridge transition section. The roadbed settlement test platform comprises a transparent cover, a moving mechanism is fixedly arranged on an outer wall of a bottom part of the transparent cover, a temperature adjusting mechanism is arranged at a bottom end of the moving mechanism, a pressure applying mechanism is arranged on an inner wall of a top end of the transparent cover, the pressure applying mechanism comprises a guide rail fixedly arranged on the inner wall of the top end of the transparent cover, and the guide rail is slidably connected with an electric sliding block. The roadbed settlement test platform conducts reciprocating pressure on a structural roadbed and a bridge member, such that a stress condition of a real road bridge transition section is simulated. A charging connector is arranged, an interior of a mounting cylinder body can be charged into positive pressure, after the structural roadbed and the bridge member later settle, a piston block moves downwards, such that an air pressure in the mounting cylinder body is reduced, when a vehicle bumping phenomenon occurs at a bridge head, the piston block shakes up and down, such that the air pressure in the mounting cylinder body is changed in a reciprocating manner, an effect of a settlement phenomenon can be amplified, such that experimental recording is facilitated.

Description

technical field [0001] The invention relates to the technical field of road-bridge transition section testing, in particular to a subgrade settlement test platform for road-bridge transition section. Background technique [0002] The transition section is the section that needs special treatment when the roadbed is connected with structures, etc.; it is the key to the uneven settlement control of the roadbed. Generally speaking, the connection between the transition section and the bridge has a high degree of compaction. The road surface has different degrees of settlement and fracture at the backfill of the abutment, which causes jumps and impacts when the vehicle passes, thereby causing additional impact loads on the bridge and road surface, causing the driver and passengers to feel bumpy and uncomfortable, and even causing the vehicle to slow down significantly. May cause traffic accidents. Therefore, the problem of vehicle jumping at the bridge head has become an impor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D1/00E01C3/00
CPCE01C3/00E02D1/00
Inventor 马延涛樊棕影周河全节浩然白亚辉王增鑫王方杨漫玉赵静张琛
Owner 马延涛
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