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一、概况雁田水库兴建于一九五九年,一九六四年由东深工程在原有土坝基础上加高墙厚,(坝顶加高1.5米,坝脚加宽十多米)水库正常蓄水位48.6米、库容968万立方,由一条主坝和六条付坝组成,主坝长270米最大坝高15.6米,坝顶宽4.2米,坝顶海拔高程51.6米,内外均1:2.5坡,迎水坡全铺干砌石插浆护面,坝身土质基本是匀一的山岗土,沙粘土成份较多。水库全年大部份时间都在高水位,即48.6—47.5米高程的幅度运行。
I. Overview The Yantian Reservoir was built in 1959. In 1964, the Dongshen Project increased the thickness of the wall on the basis of the original earth dam (1.5 m high at the crest and more than 10 meters wider at the foot of the dam) Normal water level 48.6 meters, storage capacity of 9.68 million cubic meters, composed of a main dam and six pay dams, the main dam 270 meters maximum dam height of 15.6 meters, 4.2 meters wide crest, crest elevation of 51.6 meters, both inside and outside the 1: 2.5 slope, facing the whole slope of the water slope plug mortar cover, dam body is basically homogeneous soil, sandy clay more. Most of the reservoir throughout the year in the high water level, which is 48.6-47.5 meters range of elevation operation.