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《Geotechnical Investigation & Surveying》 2009-04
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Full-bridge alignment measuring for Caiyuanba Yangtze river bridge loading test

Zhang Liang1,Chen Weimin1,Zhang Peng1,Liu Gang2,Qi Renjun3(1.Key Laboratory of Optoelectronic Technology and System of the Education Ministry of China,Chongqing University,Chongqing 400030,China;2.College of Civil Engineering,Chongqing University,Chongqing 400030,China;3.Chongqing Jiangbei City Develop and Construction Company,Chongqing 400020,China)  
It is very important to acquire deflection of full-bridge alignment in large span bridge load test.In order to overcome the defect that Total Station can not obtain the deflection of full-bridge alignment,the connecting pipe principle deflection measurement system is adopted to implement multi-point synchronous measurements.As a result,bridge alignment is gained.Caiyuanba Yangtze River Bridge load test results have been demonstrated the effectiveness of the proposed method.
【Fund】: 国家863计划资助项目(2006AA04Z433);; 重庆市建委科技计划项目资助(GYB-DQ-H-00004)
【CateGory Index】: U442.4
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