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Research on Structural Performance and Experimental of Extradosed Cable-stayed Bridge

Author: WangPing
Tutor: ChenZuoMin
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: Extradossed bridges Limit state Carrying capacity Load test
CLC: U448.27
Type: Master's thesis
Year: 2011
Downloads: 49
Quote: 0
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Abstract


The paper first summarizes the review of domestic and international development of the low tower cable-stayed bridge , the structural features of its latest developments . Secondly , the introduction of the calculation method and characteristics of the general cable-stayed bridge with low tower cable-stayed bridge , the state of the internal force calculation of dead load and live load bridge cable-stayed reasonably cable forces and construction phase , the determination of the initial tension , and a description of the two limit state principles of calculation . Then the papers Beijing Huairou valley river dwarf tower cable-stayed design engineering background, construction design, scale finite element calculation software MIDAS establish detailed calculation and analysis based on the the beam element combination of full-bridge finite element model , bridge construction of 46 stage of stress and deformation; calculated analysis of the construction phase of the main beam , the lower edge of the stress ; the use of computational analysis stage lasting condition ultimate limit state and the normal use of the main beam limit state stress and stay cables of cable force and stress . Then on the stage of bridge live load test , describes the purpose, content and basis of the load test ; detailed static and dynamic load test solutions and implementation methods . Finally, the full text of the summary and outlook , summarized compared with the general cable-stayed bridge , low tower cable-stayed bridge on the structure and mechanical properties of a number of opinions and features ; Finally, proposed to be further studied several problems. Thus, the authors compared the comprehensive understanding of the static and dynamic performance , low tower cable-stayed bridge in the different general cable-stayed bridge , to provide some reference value for future similar studies .

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CLC: > Transportation > Road transport > Bridges and Culverts > All kinds of bridges > Bridge: Structure > Cable-stayed bridge
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