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通过激光散斑法在模拟滑坡土体变形破坏过程研究中的应用,表明在滑坡体失稳之前,土体表面各点位移大小和方向随所处部位而异,且滑坡体最终失稳就是由于土体滑动带附近各种微细破裂累计作用的结果。而这种微观变形及破裂过程是常规试验无法测得的。
The application of laser speckle in simulating the deformation and failure process of landslide shows that the magnitude and direction of displacement of each point on the soil surface vary with the site before the landslide is destabilized, and the final instability of the landslide is due to the soil Results of cumulative effects of various fine fractures near the body slip band. This microscopic deformation and rupture process can not be measured by conventional tests.