| 象山隧道挡水墙爆破拆除 |
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| 引用本文： | 赵东波,李红军.象山隧道挡水墙爆破拆除[J].隧道建设,2012,32(5):705-708. |
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| 作者姓名： | 赵东波 李红军 |
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| 作者单位： | （中铁隧道集团有限公司，河南洛阳 471009） |
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| 摘 要： | 象山隧道的混凝土挡水墙和抗剪斜墙与隧道衬砌连成整体，厚度分别为7 m和5 m。为了拆除挡水墙和抗剪斜墙并保证衬砌安全，采用了预留保护层、预钻减震孔、非爆开挖超前导洞、严格控制单段爆破用药量、合理设计爆破参数等技术措施，成功拆除了挡水墙和抗剪斜墙，取得了很好的效果。
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| 关 键 词： | 隧道 挡水墙 爆破拆除 减震孔 超前导洞 非爆开挖 |
| 收稿时间： | 2012-04-09 |
| 修稿时间： | 2012-04-23 |
Case Study on Blasting Demolition of Water-stopping Wall of Xiangshan Tunnel |
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| ZHAO Dongbo,LI Hongjun.Case Study on Blasting Demolition of Water-stopping Wall of Xiangshan Tunnel[J].Tunnel Construction,2012,32(5):705-708. |
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| Authors: | ZHAO Dongbo LI Hongjun |
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| Institution: | (China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China) |
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| Abstract: | The thicknesses of the concrete water-stopping wall and anti-shearing wall of Xiangshan tunnel are 7 m and 5 m respectively. Countermeasures, including reserving protection layer, drilling vibration-reducing hole, non-blasting pi- lot heading, strict control of the charging quantity of each interval and rational blasting parameter design, are taken in order to demolish the water-stopping wall and the anti-shearing wall and to ensure the safety of the lining. In the end, good result has been achieved. |
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| Keywords: | tunnel water-stopping wall blasting demolition vibration-reducing hole pilot heading non-blasting ex- cavation |
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