supported by the National Natural Science Foundation of China (No.41271072and 51378057);Science and Technology Project of Qinghai Province(No.2013-J-770);Science and Technology Project of Shenshuo Railway Branch(No.2015-10)
supported by the National Natural Science Foundation of China (No. 51378057)
In order to study the shear behavior of coarse-grained fillings taken from the subgrade bottom layer of a cold region high-speed railway,large scale direct shear tests were conducted with different normal pressures,wa...
funded by the National Natural Science Foundation of China (No. 51378057)
Regarding the freezing damage of high-grade highway subgrade in seasonally frozen area,the thesis explores the effect on the dynamic behavior of subgrade soil under freeze–thaw cycles and draws the change law of para...