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《Chinese Journal of Underground Space and Engineering》 2017-03
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Contrast Research on Laboratory Test and Photoelastic Test of Delivery Controlled Anchor

Meng Jinbao;Zheng Jing;Yang Yongpeng;Liang Longlong;An Mengkang;Northwest Research Institute Co.Ltd of C.R.E.C;  
At present,domestic and foreign experts and scholars have done a lot of research on the force transmission mechanism and the mechanical characteristics of anchor,but their research is mainly concentrated on the anchoring section,and for the free segment of anchor research is seldom,especially research on making full use of the free segment of anchor formation(with solid formation) is rarely.On the basis of previous studies,a new structure of delivery controlled anchor is researched and invented,which can take full advantage of the adhesive strength between mortar and soil or rock of reinforced ground.Through the contrast analysis of fully bonded anchor and delivery controlled anchor laboratory test and photoelastic test,so as to perform in-depth research on the mechanical characteristics and reinforcement effect of delivery controlled anchor and the bond strength distribution of hole wall.The relevant research results has significant theoretical and applied value on practical engineering,especially the rainstorm,earthquake and other disaster slope diseases rescue and reinforcement.
【Fund】: 科技部科研院所技术开发研究专项资金项目(2009EG123201)
【CateGory Index】: TU476
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