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The Research about Some Questions of the Old Bridges’ Being Entirely Broadened

Author: YeSheng
Tutor: YangChengBin
School: Hefei University of Technology
Course: Municipal Engineering
Keywords: Old Bridge Overall widening Shrink Creep Settlement
CLC: U445.6
Type: Master's thesis
Year: 2006
Downloads: 239
Quote: 15
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Abstract


With the development of the transport undertakings in China , the highway traffic is growing , some highways original level can not meet the requirements , therefore widening transformation . At the same time, there is a need to re- design of structures such as bridges and culverts on the highway , take full advantage of the existing bridge widening , need to go through the old bridge can not meet the requirements of the new load standards for checking technology , the economy is relatively standard , and then the new load to evaluate the identification of the old bridge , repair , reinforcement and transformation . This article in-depth analysis of the constraints of the overall widening of Old Bridge , the use of shrinkage , creep and basic theory of differential settlement , programs than election and systems analysis , processing new overall widening of Old Bridge , Old Bridge longitudinal seam connecting shear deformation problem , choose the connection process and methods to solve a number of issues in the overall widening of the old bridge , the old bridge to better coordinate work to meet the traffic demand . In this paper, Kaiping Expressway T - beam bridge overall widening design engineering examples to validate , to good effect , and the overall widening accumulated experience for the future of the old bridge .

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge Construction > Bridge reconstruction,demolition and repair
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