0引言板桥水库位于驻马店市区西45 km的驿城区板桥镇,淮河支流汝河上游。板桥水库工程始建于1951年3月,1952年5月建成并投入使用,是新中国最早兴建的大型水库之一。1956年扩建加固,1975年8遭遇了历史罕见的特大暴雨洪水垮坝失事。1987年2月开始复建,1993年6月通过国家竣工验收并交付使用。复建后的板桥水库防洪标准按百年设计,可能最大洪 0 Introduction Banqiao Reservoir is located 45 kilometers west of Zhumadian City Station City Bridge Banqiao, the upper reaches of the Ruhe Huaihe River. Banqiao Reservoir Project was established in March 1951 and completed in May 1952 and put into use. It is one of the earliest large reservoirs to be built in new China. Expansion and reinforcement in 1956, in 1975 8 suffered a rare historical storm flood collapse collapse. February 1987 began reconstruction, in June 1993 through the completion of the national acceptance and delivery. After the reconstruction of Banqiao Reservoir flood control design according to a hundred years, may be the largest flood