Research on Water Level Control Scheme of Reservoir Flood Resources Utilization Considering Dam Safety and Risk Benefit

The method of using reservoir flood resource based on adjusting flood control level will inevitably bring a risk while generating some economic benefits.How to use the flood resources safely and reasonably needs to carry out risk decision.In this paper, reservoir flood resources utilizations is the target, considering reservoir dam safety and risk-benefit, and building multi-objective risk decision model of the reservoir limited water level adjustment.Comprehensive risk-benefit considerate the benefit of reservoir flood resource utilization and risk loss.The benefit of reservoir flood resource utilization includes three kinds of supply benefits in industry, agriculture and domestic water supply.Risk loss is the damage caused by the dam safety risk.The establishment of decision model should be able to calculate the comprehensive benefit of reservoir flood resources utilization in a dynamic change between the economic benefit and risk loss, to weigh the risk and comprehensive benefit, to determine the best equilibrium value of limited water level.Selecting Shilianghe reservoir as the study case, determining its limited water level of flood resources utilization, the research results provide some references for our country's water level control scheme in the use of reservoir flood resources.