| 小孔径深孔预裂爆破在高边坡开挖中的应用 |
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| 引用本文： | 徐成光.小孔径深孔预裂爆破在高边坡开挖中的应用[J].爆破,1999,16(4):35-37. |
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| 作者姓名： | 徐成光 |
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| 作者单位： | 中国水电七局勘测设计院!成都郫县，611730 |
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| 摘 要： | 根据天生桥一级电站进水塔高边坡具体开挖特点进行分析，采系用小孔径超深孔预裂爆破，使２０ｍ高垂直边坡一次预裂成型，取得了理想的效果，为今后类似爆破工程提供了实践经验。
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| 关 键 词： | 小孔径超深孔 预裂爆破 高边坡开挖 爆破参数 |
Application of Slim-hole Blasthole Presplitting Blasting in the High-Slope Excavation |
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| Xu Chengguang.Application of Slim-hole Blasthole Presplitting Blasting in the High-Slope Excavation[J].Blasting,1999,16(4):35-37. |
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| Authors: | Xu Chengguang |
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| Affiliation: | Survey and Design Institute of China No. 7 Hydroelectric Board. Chengdu 611730 |
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| Abstract: | Based on the characteristics of practically excavating the intake tower highslope of Tianshengqiao first - order hydropower station, the slim blasthole presplittingblasting was adopted. The explosive effectiveness that a 20 m vertical slope was moulded by once - through presplitting was satisfactory. The experience provides the reference for the similar blasting engineering. |
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| Keywords: | high slope slim blasthole presplitting blasting |
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