Behavior of compacted clay-concrete interface  

作　　者：R.R.SHAKIR Jungao ZHU 

机构地区：[1]Geotechnical Research Institute,Hohai University,Nanjing 210098,China

出　　处：《Frontiers of Structural and Civil Engineering》2009年第1期85-92,共8页结构与土木工程前沿（英文版）

基　　金：supported by the China Scholarship Council(No.2006368T15);the National Nature Science Foundation of China(Grant No.50639050)。

摘　　要：Tests of interface between compacted clay and concrete were conducted systematically using interface simple shear test apparatus.The samples,having same dry density with different water content ratio,were prepared.Two types of concrete with different surface roughness,i.e.,relatively smooth and relatively rough surface roughness,were also prepared.The main objectives of this paper are to show the effect of water content,normal stress and rough surface on the shear stress-shear displacement relationship of clay-concrete interface.The following were concluded in this study:1)the interface shear sliding dominates the interface shear displacement behavior for both cases of relatively rough and smooth concrete surface except when the clay water content is greater than 16%for the case of rough concrete surface where the shear failure occurs in the body of the clay sample;2)the results of interface shear strength obtained by direct shear test were different from that of simple shear test for the case of rough concrete surface;3)two types of interface failure mechanism may change each other with different water content ratio;4)the interface shear strength increases with increasing water content ratio especially for the case of clay-rough concrete surface interface.

关 键 词：soil structure interaction simple shear test INTERFACE FRICTION compacted clay interface modeling 

分 类 号：TU5[建筑科学—建筑技术科学]