Through the field observation and comparative seism-geologic studies, many seism-genesis soil-layer structures such as vibration-liquefied sand vein, vibration-liquefied sand dyke, sandy cobble dyke by fissure filling, seismic fall mass, seismic intra-lay
Through the field observation and comparative seism-geologic studies, many seism-genesis soil-layer structures such as vibration-liquefied sand vein, vibration-liquefied sand dyke, sandy cobble dyke by fissure filling, seismic fall mass, seismic intra-lay
通过野外观测和比较地震地质学研究，识别出了振动液化砂脉、液化砂墙、裂隙充填砂质卵石墙、震塌落体、地震层内断裂及地震沉陷构造等地震成因土层构造。