| 李家峡水电站坝肩开挖爆破网络的设计与施工 |
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| 引用本文： | 何义. 李家峡水电站坝肩开挖爆破网络的设计与施工[J]. 水力发电, 1997, 0(6): 37-39,47 |
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| 作者姓名： | 何义 |
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| 作者单位： | 黄河上游水电工程建设局 |
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| 摘 要： | 李家峡水电站坝开挖采用预裂爆破和梯段爆破方法施工，在设计与施工中，优化爆破参数，控制单响药量，采用孔内外延时起爆网络和多段微差起爆方式，因而保证了开挖质量，按期完成了工程任务。
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| 关 键 词： | 水电站 预裂爆破 爆破网络 坝肩开挖 |
Design and construction of blasting network for excavation in the dam abutments of Lijiaxia Hydropower Station |
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| He Yi. Design and construction of blasting network for excavation in the dam abutments of Lijiaxia Hydropower Station[J]. Water Power, 1997, 0(6): 37-39,47 |
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| Authors: | He Yi |
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| Affiliation: | Yellow River Upstream Hydropower Construction Bureau |
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| Abstract: | The presplit blasting and bench blasting have been adopted in the excavation in the dam abutments of Lijiaxia Hydropower Station.In the design and construction,the optimal blasting parameters,controlled single blast charge,external,time delayed ignition network in the hole and multi section differential blasting have been adopted.Therefore,the quality and progress of excavation hava heen guaranteed. |
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| Keywords: | Lijiaxia Hydropower Station presplit blasting bench blasting construction |
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