Risk assessment and management of land subsidence in Beijing Plain

Based on the deep understanding of the basic connotation and character of land subsidence,this paper introduces three elements in the risk assessment system:susceptibility、hazard and vulnerability,and then analyzes the system and method of risk assessment of land subsidence in Beijing Plain.Based on the results of the risk assessment,combines both the risk management and the main body of control land subsidence,giving the control schemes of land subsidence.