| 圆型隧洞超硬岩爆破进尺与掏槽方式探讨 |
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| 引用本文： | 曾德成. 圆型隧洞超硬岩爆破进尺与掏槽方式探讨[J]. 煤炭技术, 2009, 28(9) |
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| 作者姓名： | 曾德成 |
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| 作者单位： | 中铁十三局集团,第五工程有限公司,西安,710065 |
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| 摘 要： | 本文介绍了圆型隧洞施工中,在超硬围岩条件下通过不同的钻爆试验,采用不同的掏槽方式,产生不同的爆破进尺效果,从而确定选择合理的掏槽方式和爆破参数,以达到最佳进尺确保进度的要求。
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| 关 键 词： | 圆型隧洞 超硬岩 爆破进尺 掏槽方式 炮眼利用率 |
Discussion About Blasting Footage and Cutting Patterns of Circular Tunnel in Supper Hard Rock |
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| ZENG De-cheng. Discussion About Blasting Footage and Cutting Patterns of Circular Tunnel in Supper Hard Rock[J]. Coal Technology, 2009, 28(9) |
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| Authors: | ZENG De-cheng |
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| Affiliation: | The 5th Construction Co.;Ltd.of the 13th Bureau Group of China Railway;Xian 710065;China |
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| Abstract: | This paper introduces that several blasting experiments with different cutting patterns while driving circular tunnel in supper hard rock,and they brought different blasting footage.Thus,we can get the best cutting pattern and explosion parameters,and the best footage too. |
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| Keywords: | circular tunnel supper hard rock blasting footage cutting patterns the utilization rate of blast hole |
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