The complex hydrogeological characteristics is one of the important factors controlling the stability of landslide group in the Xiaosheng Town.The landslide group has a phenomenon where groundwater replenishes surface water,and the surfaceflow infiltrates and replenishes groundwater.The water-rich zone in network fissuresof weathering crust is mainly distributed in the strongly weathered granite in the northern mountain and landslide body.The water-rich zone of fracture structure is distributed in the north side of fault F10,speculated by drilling,and the contact zone between the intrusive rock and sandstone.It serves as both a water-rich zone and a water conducting zone.The water-rich zone of fracture structure has pressure resistance,which could generate water pressure,increase sliding pressure,and thus easily promote landslide sliding.
Complex Water-Rich ZoneHydrogeological CharacteristicsPrevention MeasuresLandslide Group in Xiaosheng TownFengshun,Guangdong
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