| 朝东岩隧道爆破掘进中围岩振动测试与分析 |
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| 引用本文： | 赵明阶,许锡宾,刘绪华,敖建华,王彪.朝东岩隧道爆破掘进中围岩振动测试与分析[J].重庆交通大学学报(自然科学版),2002,21(2):21-24，32. |
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| 作者姓名： | 赵明阶 许锡宾 刘绪华 敖建华 王彪 |
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| 作者单位： | 1. 重庆交通学院河海建筑工程系,重庆400074
2. 湖北省恩施州交通规划设计院,湖北恩施445000 |
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| 基金项目： | 重庆市科技攻关项目，湖北省恩施州318国道资助项目，2001-25-3，，， |
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| 摘 要： | 通过对朝东岩公路隧道爆破掘进过程中围岩振动的测试和数据分析 ,结果表明在隧道爆破掘进过程中 ,采用分段控制爆破在围岩中产生振动效应并不随同时起爆的装药量成正比增长 ,振动最大的是掏槽爆破 .不同围岩类别的应力波衰减规律有明显的差异 ,且均可用萨道夫斯基经验公式较好地模拟 .同时在围岩内应力波的频率有明显的变化规律 .实际施工爆破方案优越于理论爆破方案
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| 关 键 词： | 朝东岩隧道 围岩 振动测试 |
| 文章编号： | 1001-716X(2002)02-0021-04 |
| 修稿时间： | 2001年9月27日 |
Measurement and analysis of the surrounding rock vibration during blasting excavation of the Chaodongyan tunnel |
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| Abstract: | Based on the measurement and analysis of explosion vibration in the surrounding rock at the Chaodongyan tunnel,the propagation of blasting seismic wave was researched during tunnel excavations.The research results show that the magnitude of explosion vibration has a maximum in the first time excavations explosion.The propagation of blasting seismic wave is very distinctly different in the varied grade surrounding rock at tunnel,and it cal be interpreted by the experience relationship between the vibration velocity and distance.The main frequency of the blasting seismic waves varied with distance shows clearly a good orderliness. |
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| Keywords: | Chaodongyan tunnel the surrounding rock the measurement of explosion vibration |
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