| 单护盾TBM在突泥涌砂地质段施工探讨 |
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| 引用本文： | 高琨.单护盾TBM在突泥涌砂地质段施工探讨[J].隧道建设,2012,32(1):94-98. |
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| 作者姓名： | 高琨 |
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| 作者单位： | 中铁隧道股份有限公司,郑州,450001 |
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| 摘 要： | 以甘肃省引洮供水一期工程7#隧洞为例，针对国内首台单护盾TBM在通过含水疏松砂岩地质地段发生突泥涌水、突泥涌砂等施工问题进行研究。通过在突泥涌砂地质段采用超前地质预报，管片背部注浆作业，超前固结灌浆，稀释后排水、排砂等处理措施，成功治理了突泥涌砂现象，为确保TBM正常施工创造了条件。
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| 关 键 词： | 单护盾TBM 突泥涌砂 隧道工程 |
| 收稿时间： | 2011-11-15 |
| 修稿时间： | 2011-12-30 |
Tunneling in Mud/Sand Bursting Geology by Single-shield TBM |
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| GAO Kun.Tunneling in Mud/Sand Bursting Geology by Single-shield TBM[J].Tunnel Construction,2012,32(1):94-98. |
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| Authors: | GAO Kun |
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| Institution: | (China Railway Tunnel Stock Co., Ltd., Zhengzhou 450001, China) |
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| Abstract: | No. 7 tunnel of the first shield TBM. During the construction vance geology prediction, bac sand releasing after diluting, kfilling phase of Tao River Diversion Project in Gansu Province is excavated by a single- of the tunnel, water/mud/sand bursting occurs. Countermeasures, including adgrouting for gaps behind the segment, advance consolidation grouting and water/ are taken to cope with the situation. |
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| Keywords: | single-shield TBM mud/sand bursting tunnel |
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