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The Moon Island Bridge detect and safety assessment studies

Author: WuTao
Tutor: HuangFangLin；LiangXiaoDong
School: Central South University
Course: Architecture and Civil Engineering
Keywords: Comprehensive testing Safety assessment The variable weight the Analytic Hierarchy Process Finite Element Analysis Cracking
CLC: U446
Type: Master's thesis
Year: 2010
Downloads: 27
Quote: 0
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Abstract


China has built a lot of bridges . Due to the low level of technology and design load rating of the bridge construction period , while in recent years the amount of road transport is rapidly increasing , many bridges to enter the state of \Combined in recent years, the climate anomalies , frequent natural disasters and deterioration of the external environment in which the bridge , the existing bridge damage and destruction of the growing operators there is a big security risk . Therefore, at this stage bridges comprehensive testing and safety assessment studies have positive theoretical significance and value of engineering applications . Changsha Moon Island Bridge bridge as the research object , comprehensive testing and safety assessment on the Bridge , the forces of Bridge operational phase and 30 # pier analysis based on the test results . The main work and research contents are as follows : brief bridges comprehensive detection and background , meaning and purpose of the safety assessment , introduce the bridges comprehensive detection status and main content of bridge safety assessment of progress and main method . Changsha Moon Island Bridge comprehensive testing , testing include : the appearance of disease detection , detection of the strength of concrete , concrete protective layer thickness detection , the steel corrosion detection, and the detection of the deck system and static and dynamic load test to obtain a complete detection information for the safety assessment of moon Island Bridge and the theory of finite element analysis to test reference . 3 , based results of bridges comprehensive detection , consider the various parts of the bridge weight comprehensive evaluation method and variable weight level analysis of the full-bridge safety assessment . Assess the results of the two evaluation methods put forward reasonable proposals , maintenance and management of the Bridge . 4 , combined with the test results , finite element analysis of the forces of the Bridge operational phase , the most serious cracking 30 # , 31 # of Pier bottom normal stress theory , the use of large finite element software ANSYS11.0 of the 30 # pier Body space finite element analysis on a comprehensive analysis of the 30 # pier cracking reason .

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge test observations with the test
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