Double-Layer structure in subsoils is caused by water level and the settlements of subsoils are several dozen 'times smaller than those of quartz sands for 3rd band buildings.
2
引入有效粘土密度和有效含水率的概念,描述石英砂颗粒之间的粘土基质的物理状态。
The concept of effective density and water content were introduced to describe the physical state of the clay matrix filling between sand particles.