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河口村水库位于河南省济源市克井镇的黄河一级支流沁河最后一段峡谷出口处,是一座以防洪、供水为主,兼顾灌溉、发电、改善河道基流等综合利用的大型(2)水利枢纽工程。主要建筑物有混凝土面板堆石坝,溢洪道,引水发电洞。本文通过对河口村水库大坝工程坝肩开挖的认真研究,对高边坡岸坡石方开挖、建基面保护层开挖的爆破设计及参数选择进行了总结,爆破施工中应采取的安全措施进行了归纳,取得了良好效果。
Hekou Village Reservoir is located at the exit of the last section of Qinhe River, the first tributary of the Yellow River in Kejing Town, Jiyuan City, Henan Province. It is a large-scale (2) reservoir that mainly uses flood control, water supply and irrigation, power generation, Water Conservancy Project. The main buildings are concrete faced rockfill dam, spillway, water diversion tunnel. In this paper, through careful study of dam abutment excavation in Hekoucun reservoir dam project, the blasting design and parameter selection of rock excavation on the bank slope of high slope and the excavation of the foundation protective layer are summarized. Blasting construction should be taken The security measures were summarized, and achieved good results.