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Research on Durability Assessment of Bridge Based on the Fuzzy Theory

Author: YangGuangQiang
Tutor: PuQianHui
School: Southwest Jiaotong University
Course: Bridge and Tunnel Engineering
Keywords: Arch Bridge AHP Durability evaluation of fuzzy
CLC: U441
Type: Master's thesis
Year: 2005
Downloads: 413
Quote: 14
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Abstract


The bridge is to ensure the smooth flow of traffic lines throat, its carrying capacity and traffic capacity is to communicate the key across the board . As time goes by, more and more of the bridge will be at or near its design reference period , or because of structural damage occurs for various reasons . Old Bridge capacity shortage , aging, damage has caused a worldwide range of concerns. Maintenance and repair of existing bridges , appraisal and evaluation and Retrofitting engineering has become a hot issue . This paper summarizes current research at home and abroad on the bridge durability assessment based on the results of the durability of concrete filled steel tube arch bridge assessment methods carried out further research, the main contents are as follows : 1 , describes the meaning of bridge assessment and basic characteristics , the durability of the bridge assessment methods are summarized in the status quo and comment . 2, according to the basic principle of analytic hierarchy process to establish the durability assessment of concrete filled steel tubular arch bridge and the main structure of the overall model of the detail model . 3 , describes the basic principles of fuzzy durability judge pointed out that the use of the product , bounded and fuzzy synthetic arithmetic operator is applied to an effective way to bridge condition assessment . 4 , the principle was established based on analytic hierarchy process (AHP) multistage fuzzy evaluation method durability basic framework , discusses the use of this method to assess concrete arch bridge work status of the specific process . Combined with existing data and related specifications proposed indicators to assess the underlying method for determining the level of vectors .

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