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Analysis of Reasonable Finished Dead State and Simulation of Construction Control of a Cable-stayed Bridge with Single Inclined Tower and Hybrid Girder

Author: ZhangFuJian
Tutor: LiZhongXian
School: Tianjin University
Course: Bridge and Tunnel Engineering
Keywords: Cable-stayed bridge Single tower Hybrid girder Bridge state Construction state Error Analysis Construction Control
CLC: U448.27
Type: Master's thesis
Year: 2007
Downloads: 169
Quote: 7
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Abstract


Cable-stayed bridge with its superior spanning capabilities , of reasonable force system , as well as innovative structure , has become one of the fastest growing modern bridge engineering , most competitive bridge . With a span of increasing diversification and structural complexity , and brought many new issues to the design and construction . In this paper, Tianjin, Hebei Street cable-stayed bridge as the background, reasonable cable-stayed bridge the determine with construction of the Bridge control study . Reasonable finished dead state of existing cable-stayed bridge cable force calculation method described and summarized to determine the bridge reasonable to bridge the state 's standards . To establish an integrated approach to structural analysis and cable force optimization model , the minimum bending energy the stress balance method and impact matrix combined to determine the state of reasonable cost bridge cable force , under the force of the rope , the stress state of the structure , the tower top side bit smaller . This integrated approach is clear thinking , clear objectives to avoid the limitations of the single use of certain methods . Cable-stayed bridge to achieve the final bridge construction need to go through a series of steps , the process and the application of different construction methods , and discusses the method of calculation of the reasonable construction of state . Hebei Street cable-stayed structure characteristics , site conditions , determine the construction program , the construction process steps according to the situation of construction . Dress iterative method to determine the state of the cable-stayed bridge reasonable construction , and to consider the requirements Tower Beams and construction of the actual situation in the calculation process , the analysis showed that the application of this method is simple , to good effect . Impact matrix method to adjust the bridge after the cable force error , prestress and alignment are more reasonable to ensure the safety and durability of the bridge state . The cable-stayed bridge construction error analysis focuses on the bracket stiffness beam tower weight error , the impact of temperature on the static behavior of the cable-stayed bridge , and welding deformation of its control methods are discussed . Structural system characteristics, combined with Hebei Street cable-stayed bridge to determine construction control content , develop control processes .

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