%0 Journal Article
%A LI You-hong
%A GU Xiao-qiang
%A LIANG Fa-yun
%T Shear Modulus of Sand at Small Strain under <em>K</em><sub>0</sub> Stress State
%D 2018
%R 10.11988/ckyyb.20180924
%J Journal of Yangtze River Scientific Research Institute
%P 154-158
%V 35
%N 11
%X One-dimensional consolidation tests were carried out in a stress path triaxial to investigate the coefficient of lateral earth pressure <em>K</em><sub>0</sub> of saturated Toyoura sand with different densities. Bender elements for shear wave measurement were installed in the triaxial device. The shear wave velocity of sand specimens can be measured under the <em>K</em><sub>0</sub> stress state and then the small strain shear stiffness <em>G</em><sub>0</sub> of Toyoura sand can be calculated. Results demonstrated that the value of <em>K</em><sub>0</sub> decreases as the density of sand increases. Furthermore, the effects of effective mean confining pressure and density on shear modulus <em>G</em><sub>0</sub> at small strain were also investigated. Parameters <em>A</em> and <em>n</em> in the empirical equation for predicting the <em>G</em><sub>0</sub> of sand sample during the <em>K</em><sub>0</sub> stress rate were determined. Moreover, the relationship between <em>K</em><sub>0</sub> and <em>G</em><sub>0</sub> was analyzed and it was found that <em>K</em><sub>0</sub> decreases almost linearly as <em>G</em><sub>0</sub> increases.
%U http://ckyyb.crsri.cn/EN/10.11988/ckyyb.20180924