| 基岩保护层一次性爆破开挖技术分析研究 |
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| 引用本文： | 程康,翁建良. 基岩保护层一次性爆破开挖技术分析研究[J]. 武汉理工大学学报, 2000, 22(4): 88-90 |
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| 作者姓名： | 程康 翁建良 |
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| 作者单位： | 1. 武汉理工大学
2. 长江水利委员会设计院 |
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| 摘 要： | 根据气体等熵膨胀理论、应力波传播理论和格里菲斯强度准则 ,推导了孔底压力和基岩破裂深度的计算公式 ,提出了孔底设柔性垫层对延缓爆轰作用的理论分析方法 ,并进行了工程实际验证 ,其计算结果与现场实测比较吻合
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| 关 键 词： | 保护层 柔性垫层 等熵膨胀 破裂深度 |
| 修稿时间： | 2000-02-28 |
The Study of Excavation Technology of Protective Coverage for Foundation Rock |
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| Cheng Kang,Weng Jianliang. The Study of Excavation Technology of Protective Coverage for Foundation Rock[J]. Journal of Wuhan University of Technology, 2000, 22(4): 88-90 |
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| Authors: | Cheng Kang Weng Jianliang |
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| Abstract: | In terms of equal esentropy expanding theory and Griffins strength criteria, the computation formula of hole base pressure and rock cracking depth has been deduced. The theory analysis way of Which the soft cushion added for the hole base can delay detonating action has been presented. At the same time, the practical engineering inspection is carried out, the computation result comes close to the practical one. |
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| Keywords: | protective coverage soft cushion equal esentropy expanding cracking depth |
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