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Study on Local Stress Analysis of Concrete Filled Steel Tube Butterfly Arch Bridge

Author: ZhaoZhongYan
Tutor: YangYongQing
School: Southwest Jiaotong University
Course: Bridge and Tunnel Engineering
Keywords: South Africa and Central Bridge, the main bridge Local stress analysis Concrete Filled Steel Tubular Arch bridge
CLC: U448.22
Type: Master's thesis
Year: 2011
Downloads: 30
Quote: 0
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Abstract


The design of the bridge by the mere use of aptitude aesthetics , cultural development trend . The complex structure of the system and local force is increasingly prominent in the diversification of the attendant aesthetic process . Part of the bridge due to the local structure of uneven force reasonable or structural measures adversely damage the disease , thereby endangering the whole structure . Therefore necessary to finite element analysis of the local structure , to make the force more explicit , to provide a basis for the future design , operation and maintenance . In this paper, Taiyuan, Shanxi Province of South Africa and Central Bridge, the main bridge for research relying on the project , local stress analysis of the arch of the bridge one of the key parts of the seat , on the basis of the analysis of the overall characteristics of shaped arch bridge . First, a brief REVIEW arch bridge development course analysis of CFST Arch Bridge with the basic structure of the form and structure characteristics , expounded the CFST Arch Bridge calculation theory and finite element simulation method , on the basis of the establishment of full-bridge overall analysis of the MIDAS / CIVIL model , the extract every construction stage and a representative load combination under arch seat at the corresponding internal forces , these internal forces as external forces loaded into ANSYS model skewback local stress analysis . The local stress analysis data skewback results show that instance arches seat larger local stress must be given . Thesis results show that , during the structural design process , focusing on local stress analysis so that the force is necessary to clear the paper the results of certain similar bridges and other types of bridges .

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