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《Journal of Dalian University of Technology》 2009-05
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Earthquake damage of masonry buildings and anchorage-tie strengthening method for rural houses

LIU Xiao-feng,CAI Xian-hui,CHENG Geng-dongState Key Laboratory of Structural Analysis for Industrial Equipment,Dalian University of Technology, Dalian 116024,China  
Severe damage was caused by Wenchuan earthquake.Based on analyzing the damage conditions of masonry buildings in this earthquake,an anchorage-tie strengthening method is proposed to increase the structural integrity.The interaction mechanism of this method is explained and compared with other strengthening ones which can also increase the structural integrity.It is found that the anchorage-tie strengthening method performs better in increasing the structural integrity and has good effect when it is used to strengthen not enough sticking structures.However,in the aspect of improving structural ductility,the ring beams and constructional columns method is better than the anchorage-tie method.In the end,from the natural frequency,mode,maximum accelerator and displacement point of view,the improvement of structural seismic capacity,after using the strengthening method,is researched by an example.The results indicate that the anchorage-tie strengthening method can decrease the structural seismic response and improve the structural seismic capacity by effectively increasing the structural integrity.
【CateGory Index】: TU364;TU746.3
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