Practice and research on seismic safety evaluation of hydropower dams during operation period
The seismic safety evaluation of dams must run through the whole life cycle of a dam,includ-ing design,construction and operation periods,etc.During the operation period,due to the changes in the internal and external conditions of the dam,it is necessary to timely review and evaluate the earth-quake resistance standards and capacity of the dam to ensure the dam operation safety.Based on the sta-tistical analysis of the seismic safety review of hydropower dams during the operation period,the practi-cal experience of seismic safety evaluation in the regular dam safety inspections is analyzed.Based on the quantitative analysis of the calculation results of seismic safety review of hydropower dams during the operation period,the method for rapid estimation of dam seismic capacity with the variation of seis-mic parameters is studied.The above-mentioned research results are of reference significance for the continuous seismic safety evaluation of dam structures in the whole life cycle.
万方数据
维普
