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The Simulation Analyisis and Control Research of the Hu Lu Shan Wan Crossing Sea Bridge Construction

Author: YingMing
Tutor: ZhengYiFeng
School: Jilin University
Course: Bridge and Tunnel Engineering
Keywords: Arch bridge Construction Control Finite Element Analysis Construction force of Cable force measurement
CLC: U445.4
Type: Master's thesis
Year: 2011
Downloads: 40
Quote: 0
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Abstract


The birds - Deck Arch Bridge complex construction technology , construction simulation and construction control study days increasingly important . More about the birds of Concrete Filled Steel Tube Arch Bridge in single arch steel box as a load-bearing member , in-depth study on the issues of the arch rib stability , construction Suspenders Tension identify and parameter identification and prediction and promote the application of relatively small. In this paper, Dr. bridges plane finite element model of the bridge structure , analysis of the entire construction process . Structure in each construction stage under stress , deformation for review. MIDAS structure space finite element model of synchronous review . Determined by comparing a variety into the theories and methods of bridge suspender force , and ultimately rigid support continuous beam method to determine the boom into the bridge cable force ; combined with the actual construction of the bridge site , optimize the boom installation , tensioning program , election, the impact matrix method to determine the boom construction and installation of cable force ; review measurement frequency method for the determination of the the suspender force at the same time at a specified the installed boom the feedthrough pressure sensor , based on the principle of vibrating string , Hanger Force ; based on the principle of the method of least squares parameter identification, parameter sensitivity analysis and parameter deviation correction . Comprehensive plane finite element model and space finite element model calculation results and actual site construction conditions , to determine the boom installation , tensioning program ; strict accordance with the boom construction instructions , the entire boom installation, cable force tensioning process monitoring , and the main girder and arch rib strain and displacement of the control section to be monitored. Main girder and arch rib bridge alignment meet the design requirements , to achieve a comprehensive and effective construction monitoring , in order to ensure the safety of the Arch Bridge , and a large number of valuable theoretical data and measured data , provided favorable conditions for the depth of analysis and research , similar bridge construction control study has reference value.

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge Construction > Construction Technology
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