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《Engineering Blasting》 2007-04
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CLOSE-RANGE PHOTOGRAMMETRY ANALYSIS OF THE COURSE OF BUILDING COLLAPSE IN BLASTING DEMOLITION(Ⅱ)——BACKLASH AND ENERGY TRANSFORM

CUI Xiao-rong1,2,WEI Xiao-lin2,FU Jian-qiu2,ZHENG Bing-xu2,SHEN Zhao-wu1(1.University of Science & Technology of China,Hefei 230026,China;2.Guangdong Handar Blasting Engineering Co.,Ltd.,Guangzhou 510623,China)  
Through using the built close-range photogrammetry system in the previous paper,namely"Close-range Photogrammetry Analysis of Building-collapse(Ⅰ)-Movement of Building during Blasting Demolition",and based on the principle of image processing and the characteristics of the pictures taken by nonmetric camera,the paper discussed the measurement of the movement track in the course of building collapse in blasting demolition by the use of the resulted image programming.According to the resulted collapsing stance and dynamic parameters obtained from Photogrammetry system in the course of the building collapse,the paper analyzed the movement track of building-collapse and the parameters of mechanics,the formation process and mechanism of backlash in blasting demolition.And meanwhile,the paper also discussed the change and transformation process among kinetic energy,potential energy mechanical energy during blasting demolition.
【Fund】: 广东省科技计划资助(2006B37301005)
【CateGory Index】: TU746.5;TU198
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