Due to the stress of backfilled soil, the asphalt coating at 3:00-9:00 (clock position) is easily disbonding and the CP is shielded, which results in the pipe body corrosion.
在回填土壤的应力作用下，管道在3∶00 ~ 9∶00时钟位置的石油沥青防腐层容易出现剥离并屏蔽阴极保护，导致管体腐蚀。
There are three factors in the control of fitting remolded soil model: composition of soil body, stress history and consolidation.
土体材料的成分、应力历史及固化联结是重塑模型土拟合控制的三个方面。
The plastic deformation of expansive clay can be reflected on the height, area and volume changes of soil body, but more significantly on height change due to the confining stress.
在侧限作用下，膨胀土体的范性变形在高度、面积及体积上均有所体现，但在高度方向上的发育最为充分；
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