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一、导言为了满足防洪、城市供水及发电的需要,建坝的必要性日益增加.建设省所属坝工建设发展情况,1950年以前完工的坝,平均每年为一座多,而现在,每年达10几座.截至1982年为止,修建了很多的坝,政府修建的坝89座,地方修建的综合利用坝141座,地方修建用于防洪的坝61座,共计291座.近年来,由于坝址地质条件等方面的原因,填筑坝有增加的趋势,但是混凝土坝仍占已建坝总数的90%.1982年正在施工的坝,混凝土坝也占70%.且从坝高
I. INTRODUCTION In order to meet the needs of flood control, urban water supply and power generation, the necessity of dam construction is increasing. The construction and development of dam construction in the province is on the rise, with an average of more than one dam completed before 1950. Nowadays, up to 10 As of 1982, a lot of dams were constructed, 89 were constructed by the government, 141 were built by local governments, and 61 were built for flood control, a total of 291. In recent years, Geological conditions and other reasons, filling dams have an increasing trend, but the concrete dams still account for 90% of the total number of dams that are under construction in 1982. Concrete dams also account for 70%