典型文献
Shear Strength and Dilatancy of Calcareous Sand in the South China Sea
文献摘要：
The shear strength and dilatancy of typical uncemented calcareous sand from the South China Sea are investigated by soil lab tests.According to drained triaxial tests at various relative densities and confining stresses,it is found that the constant volume friction angle is approximated as 39° and the traditional Bolton's equations can be modified to estimate the peak friction angle and dilation angle.The reliability of the equation proposed for the peak friction angle is verified in terms of calcareous sands from more onshore and offshore sites worldwide,while the errors of the predicted dilation angles scatter in a relatively large range.Totally,the dilation angles of sands in the South China Sea are estimated by the equation presented with an error of±30％.The peak friction angle measured by the undrained is similar to that by the drained tests as the relative density smaller than 60％,while the former is slightly lower for denser samples.
文献关键词：
中图分类号：
作者姓名：
PEI Hui-min;WANG Dong
作者机构：
Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering,Ocean University of China,Qingdao 266100,China;Qingdao National Laboratory for Marine Science and Technology,Qingdao 266100,China
文献出处：
引用格式：
[1]PEI Hui-min;WANG Dong-.Shear Strength and Dilatancy of Calcareous Sand in the South China Sea)[J].中国海洋工程（英文版）,2022(05):781-790
A类：
Dilatancy,Calcareous,uncemented
B类：
Shear,Strength,Sand,South,China,Sea,shear,strength,dilatancy,typical,calcareous,from,investigated,by,soil,lab,tests,According,triaxial,various,densities,confining,stresses,is,found,that,constant,volume,friction,approximated,traditional,Bolton,equations,can,be,modified,peak,dilation,reliability,proposed,verified,terms,sands,more,onshore,offshore,sites,worldwide,while,errors,predicted,angles,scatter,relatively,large,range,Totally,estimated,presented,measured,undrained,similar,density,smaller,than,former,slightly,lower,denser,samples
AB值：
0.50843
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