Cracks form in the regions, where shear deformation is larger, after the plastic deformation accumulates to some degree.
裂纹于塑性变形积累到一定程度之后，在切变变形较大的区域表面形成。
When the deformation caused by the inhomogeneous subsidence accumulates to the critical state of the soil, ground fissures will occur in the stress concentration positions.
当这种不均匀变形程度足以使土体连续性破坏时，则地裂缝便在沉降区应力集中的部位发生。
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