| 深水条件下岩塞钻孔爆破关键技术及应用 |
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| 引用本文： | 赵根,吴新霞,周先平,黎卫超,胡英国,吴从清.深水条件下岩塞钻孔爆破关键技术及应用[J].工程爆破,2016(5):13-17. |
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| 作者姓名： | 赵根 吴新霞 周先平 黎卫超 胡英国 吴从清 |
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| 作者单位： | 长江水利委员会长江科学院,武汉,430010 |
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| 基金项目： | 国家青年自然科学基金资助项目(51609017 |
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| 摘 要： | 为实现深水条件下的岩塞钻孔爆破贯通与成型,系统研究深水条件下岩塞钻孔爆破的贯通机理。提出结合隧洞开挖的岩塞爆破试验方法,对岩塞钻孔爆破参数的合理性、爆破器材的防水抗压性能以及起爆网路的可靠性、施工工艺等进行现场试验;对岩塞在库区与隧洞内外不同水压差下的爆破石渣运动形态进行水工模型试验,解决了高水压条件下的岩塞钻孔爆破贯通成型、石渣运动控制等技术难题,并成功应用于长甸水电站扩机工程的岩塞爆破中。可为类似岩塞爆破工程提供参考与借鉴。
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| 关 键 词： | 岩塞爆破 电子雷管 模型试验 爆破效应 |
Key technology and application of rock plug drilling blasting under deep water condition |
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| Affiliation: | ,Changjiang River Scientific Research Institute,CWRC |
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| Abstract: | In order to realize the plug through,contour formation and controlling the adverse effects of blasting,the site experiment was implemented to test the rationality of the rock plug blasting parameters,the waterproof compression performance and the reliability of detonating network.The movement form of the blasting debris under different water pressure difference was investigated by using the hydraulic model test.Research results worked out the technical problems such as the contour formation and movement control of rock debris,which were used in the rock plug blasting of expansion project of Changdian hydropower station successfully.It also can provide a good reference for similar engineerings of rock plug blasting. |
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| Keywords: | Rock plug blasting Electronic delay detonators Model test Blasting response |
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