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《Journal of Changsha Communications University》 2006-01
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Current Situation and Development of Geogrid Pullout Tests

YANG He-ping,WAN Liang,TAN Bo(Key Laboratory of Road Structure and Material Ministry of Communications,Changsha University of Science and Technology,Changsha 410076,China)  
As a reinforcing material,the geogrid is widely used in civil engineering practice.However,the study on the reinforcement mechanism and the relevant design theory are much backward relative to the(engineering) application.Therefore,a variety of testing devices are developed to carry out the research of(reinforcement) mechanism and design parameters.The main devices developed,testing methods and analysis of test results for geogrid pullout test are cited.The effective factors,existing problems and the trends on pullout test are also discussed in this paper.At last,a large digital control pullout system developed for(conducting) expansive soil testing study has been introduced.
【CateGory Index】: U416.03
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