Survey And Studying For Prevention And Cure Of Geological Hazards In Cangnan County

Geological Hazards is the one of four disasters in Zhejiang Province. Cangnan County in Zhejiang Province is the place which easy to happen, and took much economic losses, so prevention and cure the geological hazards is the mission which no time to delay.By survey 36 villages and towns in Cangnan County, we found 111 geological hazards(hidden trouble), and 43 is big. Landslip(hidden trouble) is 68, collapse(hidden trouble) is 37, debris flow is 5, and has a hidden trouble of ground sink. In Cangnan County, the most geological hazards is minitype landslip, then is minitype soil collapse. Geological Hazards happing is bear on landform and stratum lithology, but the primary diathesis is cut slope and rainstorm.This paper gave relevant measures of prevention and cure on analyse of cause. For landslip and collapse, take cuting, drainage, shoring and anchor. For debris flow, take dredge the channel, planting on slope and build block project at jaws and common boundary of channel and round of watercourse, For ground sink, take filling and douche to father. And this paper introduced keystonely the Vetiver Technology. Adciced to set up the clamjamfry network of Prevention and Cure of geological hazards, and the beforehand network of clamjamfry and speciality.