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用擦痕作为研究断裂两盘岩体相对位移的主要依据已有几十年的历史。大多数人认为,它只代表岩体最后一次运动时所留下的遗迹。但也有人把擦痕作为确定断裂两盘岩体活动方向的唯一标志,还有人用断裂面上不同方向的擦痕确定断裂多期活动的先后次序,为此,野外观察者常是用手抚摸断裂面上的平滑度,得出断裂两盘岩体的相对位移方向。我们根据多年来野外观察和室内模拟实验结果证实,用擦痕的平滑度确定断裂两盘
Scratch marks have been the main basis for studying the relative displacement of two rock bodies for several decades. Most people think that it only represents the remains of the last movement of the rock mass. However, some people use the scratches as the only sign to determine the direction of the fracture of the two rock bodies. Some people also use the scratches on the fracture surfaces in different directions to determine the order of the multi-period fractures. For this reason, the field observers often touch by hand The smoothness of the fracture surface, the relative displacement direction of the two rock bodies is obtained. We based on years of field observations and laboratory simulation results confirmed that the smoothness of scratches to determine the fracture of two sets