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《Sichuan Building Science》 2010-01
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Ultrasound detected on the quality of concrete-filled steel tube

CAO Guohui,ZHU Xin,LIU Hui(School of Civil Engineering,Hunan City University,Yiyang 413000,China)  
Combination large-scale arch bridge model of concrete-filled steel tube(CFST),waveform identification law,the first wave's frequency law and the first wave's time law were used to detect the quality of two CFST arch which have or no defects.Two groups of test data were compared,a convenient and accurate nondestructive testing technologies were summed,it would provide the basis for detecting the quality of CFST.Practice has proven that the conclusion integrated in all three methods would be scientific and representative.
【Fund】: 湖南省自然科学基金项目(07JJ3100);; 湖南省高等学校科学研究项目(08A008)
【CateGory Index】: U455.57
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