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Transitional device for eliminating vehicle bump at bridge head

A bridge head jumping and bridge abutment technology, applied in bridges, bridge parts, bridge construction and other directions, can solve problems such as bridge head jumping, achieve the effect of alleviating impact, solving bridge head jumping problem, and simple structure

Active Publication Date: 2018-12-18
CHANGAN UNIV
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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 overcome the above-mentioned shortcomings of the prior art, and provide a transition device for eliminating vehicle jumping at the bridge head, which can effectively solve the problem of vehicle jumping at the bridge head caused by uneven settlement of the rigid abutment and roadbed

Method used

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  • Transitional device for eliminating vehicle bump at bridge head
  • Transitional device for eliminating vehicle bump at bridge head
  • Transitional device for eliminating vehicle bump at bridge head

Examples

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Embodiment Construction

[0021] The present invention is described in further detail below in conjunction with accompanying drawing:

[0022] Such as figure 1 As shown, the transition device for eliminating bridge head jumping according to the present invention includes retaining platform 2, overlying lap 4, abutment 6, embankment end 1 and some viscoelastic height-adjustable bearings 3; each viscoelasticity is adjustable The high support 3 is located on the soil retaining platform 2, one side of the overlying board 4 is overlapped on the abutment 6, and the other side of the overlying board 4 is located on each viscoelastic height adjustable support 3 and the end is connected with the The embankment end 1 is in contact; the abutment support 5 is arranged between the overlying board 4 and the abutment 6; the number of viscoelastic adjustable height supports 3 is greater than or equal to 2, and each viscoelastic adjustable height support 3 Arranged symmetrically with respect to the road extension dire...

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Abstract

The invention discloses a transitional device for eliminating vehicle bump at bridge head, which comprises an earth retaining abutment, an overlying slab, an abutment, an end part of an embankment anda plurality of viscoelastic adjustable height supports. Each viscoelastic adjustable height bearing is arranged on the earth retaining abutment, one side of the upper overlapping slab is overlapped on the bridge abutment, the other side of the upper overlapping slab is arranged on each viscoelastic adjustable height bearing and the end part is in contact with the end part of the embankment, the device can effectively solve the vehicle bump problem caused by the uneven settlement of the rigid bridge abutment and the roadbed.

Description

technical field [0001] The invention belongs to the technical field of bridge engineering and relates to a transition device for eliminating vehicle jumping at the bridge head. Background technique [0002] The road-bridge transition section is a cancer that restricts the overall rapid development of road traffic, and vehicle jumping at the bridge head has become a worldwide problem. The main factors causing the vehicle jump at the bridge head are: uneven settlement, sudden change in stiffness, vehicle speed and the anti-vibration performance of the vehicle itself. As far as urban road conditions are concerned, it is mainly caused by uneven settlement at the junction between flexible roads and rigid structures due to different stiffnesses, resulting in staggered platforms. There are differences in the composition materials, stiffness, strength, and expansion and contraction of bridges and subgrade pavement, and concentrated stress is easy to form when the bridgehead connect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/04
CPCE01D19/041
Inventor 李蕊冯智斌邹道光裴建中郭福成
Owner CHANGAN UNIV
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