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《Chinese Journal of Underground Space and Engineering》 2017-03
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Effect Study of Cement-soil Strength on Steel Cement-soil Composite Beam

Ding Yong;Yu She;Wang Ping;He Ning;School of Science,Nanjing University of Science and Technology;China First Metallurgical Construction Co.Ltd.;Nanjing Hydraulic Research Institute;  
Soil mixing wall has been widely used in foundation pit engineering.There is no full understanding of soil cement in the role of soil mixing wall and the stiffness of soil cement is only taken as a safety reserve,which will undoubtedly cause some waste.To study the effects of soil cement strength on the soil mixing wall,this paper designs a series of double-steel cement soil composite beam tests taking cement soil strength as a variable.It used the strain data of distributed fiber optic acquisition test beams loading process and put forward treatment method for H-beam distributed fiber optic strain data.Through processing and analysis of the experimental data,it got the law on effect of cement soil strength to the composite beam deflection and stiffness as well as the sharing conditions of steel and cement soil of the composite beams external load.This paper has a certain reference value to soil mixing wall theory and practical application.
【Fund】: 中央高校基本科研业务费专项资金(30920130112008);; 海洋公益性行业科研专项经费项目(201005006)
【CateGory Index】: TU476
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Chinese Journal Full-text Database 8 Hits
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