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《Sichuan Building Science》 2010-01
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Damage identification based on improved modal curvature index

LIU Lingyu1,XIONG Feng2,LI Bo3(1.Civil Air Defence Architecture Designing & Researching Institute,Chengdu 610015,China;2.College of Architecture & Environment,Sichuan University,Chengdu 610065,China;3.Chengdu Design & Research Institute of Building Materials Industry Co.,LTD.,Chengdu 610021,China)  
A damage identification approach applied to simple beams and continuous beams,named improved modal curvature index was studied.Improved modal curvature index and modal curvature index were compared.The damage of various position and degree in simple beams and continuous beams was computed.A simulated experiment illustrated that this method would detect crack location preferably and give a qualitative description for the damage degree.
【CateGory Index】: U441.4
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