| 西龙池抽水蓄能电站下水库库岸开挖爆破技术 |
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| 引用本文： | 李玉良.西龙池抽水蓄能电站下水库库岸开挖爆破技术[J].人民长江,2009,40(12):49-50. |
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| 作者姓名： | 李玉良 |
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| 作者单位： | 武警水电第二总队,第七支队,江西,鹰潭,335000 |
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| 摘 要： | 山西西龙池下水库库岸采用爆破方法开挖，要求开挖的边坡不能受到破坏，所开采的石料还要满足堆石区与下游排水棱体区填筑的要求。根据设计要求和地质条件，设计了爆破开挖施工方案，并在现场试验和施工中不断优化，获得了满意的施工效果。施工完成后，对边坡的检测发现：超欠挖控制在设计要求以内，相邻爆破孔间不平整度小于15 cm，半孔残留率90%，孔壁表层无明显爆破裂隙；5 cm以下细颗粒爆料偏少。
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| 关 键 词： | 边坡保护 光面爆破 深孔梯段爆破 合格坝料 西龙池抽水蓄能电站 |
Blast-excavation technology for the lower reservoir bank of Xilongchi Pumped-storage Power Station |
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| Li Yu-liang.Blast-excavation technology for the lower reservoir bank of Xilongchi Pumped-storage Power Station[J].Yangtze River,2009,40(12):49-50. |
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| Authors: | Li Yu-liang |
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| Affiliation: | No.7 Detachment of No.2 General Branch of Armed Police Hydropower Engineering Troops;Yingtan 335000;China |
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| Abstract: | The lower reservoir bank of Xilongchi Pumped-storage Power Station in Shanxi Province is excavated by blast method,it is required that the excavated side slope cannot be destructed and the excavated material can meet backfilling requirement in rock-filled area and pyramidal drainage area in downstream.According to design requirement and geological condition,the blast-excavation construction scheme was designed and successive optimization in in-site test and construction.The construction effect is satisfacto... |
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| Keywords: | side-slope protection smooth blast deep-hole bench cut blasting qualified dam material Xilongchi Pumped-storage Power Station |
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