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由于缺乏重力作用,平原地震滑坡与山区滑坡有明显的不同。和地表震陷、地裂及砂土液化相似,平原地震滑坡这一与地震引起的大面积的液化层、大量地裂有关的地震中的显著灾害现象,造成了建筑物、道路、农田及水利设施的强烈破坏。本文介绍了1976年唐山地震中平原地震滑坡的产生及危害,并以实例表征这种滑坡的主要特点,进而探讨了其形成机制。
Due to the lack of gravity, plain earthquake landslides and mountain landslides are significantly different. Similar to the earthquake subsidence, ground fissure and sand liquefaction, the significant earthquake disasters in the plain earthquake landslide, which is related to the large-scale liquefaction layer and large-scale fissures caused by the earthquake, caused buildings, roads, farmland, and water conservancy. Strong destruction of facilities. This paper describes the occurrence and damage of landslides in the plain during the Tangshan earthquake in 1976. The main features of this landslide are illustrated by examples, and the formation mechanism is discussed.