土工织物抗拔试验分析研究  

Studies For Pull-out Test of Geotextile

作　　者：王俊林[1] 郑培成[1] 盛崇文[1] 

机构地区：[1]南京水利科学研究院

出　　处：《郑州工学院学报》1991年第3期156-160,共5页

摘　　要：本文首先从土粒的微观结构入手,分析了填土中埋入土工织物后,土工织物抗拔力的形成机理。进而通过土工织物的拉拔试验,分析了决定抗拔力的拟摩擦系数f~*的主要影响因素。得出f~*随正应力δ增大而减小,抗拔力T与土工织物拉应变ε的关系可用T=k(ε—ε_o)^+b来拟合等几点有意义的结论。In this paper, the mierostructure of soil grain was considered at first. The forming mechanism of pullout resistance of geotextile was analysed after geotextilc was buried in earth-fill. In order to determine the coefficient of guasi-friction f~* of pullout resistance, the main affecting factors were analyed, depending on the pull-out test of geotextile. And some conclusions were obtained: the f~* decreased with normal stress increasing, the relationship between pullout resistance T and tensile strain ε of geotextile can be described by the following equation: T=k(ε-ε_o)3+b. etc.

关 键 词：土工织物 抗拔力 拉拔试验 加筋土 

分 类 号：TV339[水利工程—水工结构工程]