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一、工程概况燕山水库在沙颍河主要支流澧河上游干江河上,总库容9．25亿m~3,属大(2)型工程。燕山水库的开发任务是以防洪为主,结合供水、灌溉,兼顾发电等综合利用。燕山水库大坝全长约4070m,南起小燕山,北至牛庄北,坝顶高程117．8m,防浪墙顶高程119m,最大坝高34．7m,坝顶宽8m。本标段为大坝Ⅱ标工程,大坝桩号为2+700～4+1150,长1450m,位于左岸二级阶地。大坝防渗体为粘土斜墙,工程量约为67．3m~3。
I. Project Overview Yanshan Reservoir is a large (2) type project with a total storage capacity of 925 million m ~ 3 on the upper reaches of the Han River, the main tributary of the Shaying River. Yanshan Reservoir development task is to flood control, combined with water supply, irrigation, taking into account the comprehensive utilization of power generation. The dam of Yanshan Reservoir is about 4070m in total length. It runs from Xiaoyan Mountain in the south to Niuzhuangbei in the north. The crest elevation is 117.8m, the crest elevation is 119m, the maximum dam height is 34.7m and the crest width is 8m. The project is the second phase of the dam project, the dam station number is 2 + 700 ~ 4 + 1150, length 1450m, located on the left bank of the second terrace. Anti-seepage dam for clay inclined wall, the project volume is about 67.3m ~ 3.