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The Bridge Reliability Assessment Based on Bridge Load Test

Author: QiChengTao
Tutor: LuoNa
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: Reliability Assessment Assessment methods Dynamic load test Static load test
CLC: U446
Type: Master's thesis
Year: 2009
Downloads: 189
Quote: 2
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Abstract


Since the founding of our country to build a large number of roads and bridges . As long-serving wear and overload damage and other reasons, some of these bridges have been built reliability problems , the need to assess its reliability . This paper first introduces the basic concepts of the bridge reliability , reliability assessment characteristics. Bridge reliability assessment is mainly based on the theoretical basis of multiple failure modes , structural system reliability limits range method. Reliability of the bridge structure common assessment methods are mainly based on the appearance of the survey method, based on the design specification method, based on load test of the bridge reliability assessment method, based on the methods and expertise based on structural reliability theory approach. At present, the most widely used method is based on load test of the bridge reliability assessment methods . Compared with other methods , this method has a small man-made factors , in order to load test data to speak, finally come to conclusion that the assessment of the stress and strain of quantitative figures to convince strong advantages. This paper compares systematic exposition of the bridge static load test method and dynamic load test methods, static and dynamic load testing agency analysis and evaluation methods . Combined with practical projects , based on load test method to assess the reliability of concrete bridges specific application , using the finite element method for accurate analysis of the test bridges calculated with the measured data to be analyzed and verified. Finally, based on assessment of concrete bridge load test method reliability problems and further research directions were analyzed.

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