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The Loading Process Research of the Prefabricated Structural Element Continuous Rigid Frame Bridge

Author: YangShouMei
Tutor: JiJing；LiaoHongYan
School: South China University of Technology
Course: Architecture and Civil Engineering
Keywords: Precast segmental Continuous Rigid Frame Bridge BRIDGES force
CLC: U441
Type: Master's thesis
Year: 2010
Downloads: 69
Quote: 0
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Abstract


Bridge segments PREFAB technology in Europe, America and Hong Kong has been widely used [ 1 ] , the Guangzhou Metro Line first large-scale application of segmental precast assembly technology, but the bridge structure system as a simple beam forms a bridge alignment control is relatively simple . As for the bridge precast segments in rigid frame bridge system in the application , at home and abroad than rare . Guangzhou Metro Line Xun Feng Gang ~ River Chassi interval elevated system for dual- walled pier rigid frame bridge, the system piers cast the beam portion using the short method segmental precast technology, field erecting machine suspension assembly . During the construction process has simply supported , consecutive , and then rigid frame system conversion issues , the structural deformation control than the average continuous rigid frame bridge complicated. So carry precast segmental continuous rigid frame bridge system into a bridge with research is particularly important . In this paper, line six elevated structure in the form of design and construction difficulties , focusing on research work . First, in the theoretical analysis by the design parameters of the correction and the actual parameters of the theoretical value affects the sensitivity of the analysis can be derived design parameters and actual parameters of the difference between the theoretical calculated value of not sensitive , which can be obtained the design phase of the parameters used are reasonable ; adopted after the design theory and construction of phase II trial data comparing the results obtained experimental field data and design of the deviation can be controlled within the allowable range , which can be drawn from the design stage using calculation method is reasonable , the results meet the design requirements ; into a bridge after the standard overhead through the precast segments assembled after linear basically meet the design requirements, proved short- matching precast method in the sixth line application is successful. This article by mastering the construction process bridge system by the force acts , from the experimental point of examination of the design and construction program for the real bridge smooth construction of accumulated experience for future similar structure provides a design basis .

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CLC: > Transportation > Road transport > Bridges and Culverts > Structural principles, structural mechanics
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