THE URBAN GEOLOGICAL PROBLEMS OF THE PEARL RIVER DELTA AND THEIR COUNTERMEASURES

Urban geological problems have principally ground subsidence,ground cleft,mud-rock flow,landslide,avalanche and mollisoil. That formative reason otherwise than immediate natural factor,people activity of production & livelihood foment and aggravate development of urban geological question. According to existing state of the urban geological question in Pearl River Delta,it have expounded preventive countermeasures.