英语语法分析

The undrained cyclic shear strength of the silt is about 50% of the static undrained shear strength.

该淤泥在波浪作用下的固结不排水剪切动强度约为静固结不排水强度的50%。

The steady state strength concepts, the consolidated-undrained triaxial shear test method and the test results are introduced.

介绍了稳态强度理论的基本概念、稳态强度的固结不排水剪切试验方法及试验结果；

It was found that the undrained shear behavior of loose sands was considerably dependent on the orientation of the principal stress.

研究表明，主应力方向对在不排水条件下饱和松砂的单调剪切特性具有显著影响。