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《Chinese Journal of Underground Space and Engineering》 2013-03
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Field Measurement and Analysis on Stress of Reinforced Belt in Reinforced Cushion

Li Longji1,Zhao Guangsi1,Liao Bo2(1.School of Mechanics and Civil Engineering,China University of Mining and Technology,Xuzhou,Jiangsu 221008,China; 2.State Key Laboratory for Geomechanics and Deep Underground Engineering,China University of Mining and Technology,Xuzhou,Jiangsu 221008,China)  
In recent years,reinforced soil as a new material is widely used in retaining walls,foundation treatment,slope support and other projects,but reinforced band is a kind of large deformation material,how to measure the stress of reinforced band is of great significance for the study of reinforcement effect and the mechanism of the reinforced cushion bearing capacity improvement,and it is currently a difficult problem to be solved in engineering.This dissertation introduced the reinforced band stress monitoring in one reinforcement cushion by the self-regulating large deformation flexible sensor,and the measured and Binqueit results were compared.The results showed that between the measured values and calculation results of reinforced tensile there was a big difference and the measured values were only 20%~30% of calculated ones.Therefore,the mechanism of reinforcement needs to be further studied and the engineering design of reinforcement should be optimized according to the measurement,in order to reduce the project cost.
【Fund】: 国家自然科学基金(51104149);; 中国博士后基金(2012T50532)
【CateGory Index】: TU472
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