| 引水隧洞双护盾TBM卡机分析及脱困技术 |
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| 引用本文： | 王江.引水隧洞双护盾TBM卡机分析及脱困技术[J].隧道建设,2011,31(3):364-368. |
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| 作者姓名： | 王江 |
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| 作者单位： | 中铁第一勘察设计院集团有限公司， 西安 710043 |
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| 摘 要： | 在不良地质条件下，引水隧洞采用双护盾TBM施工时易发生卡机事故，严重制约工程进度。结合引水隧洞双护盾TBM施工实践，对不良地质条件下双护盾TBM施工中3种常见的卡机类型进行原因归纳与分析，总结出5种卡机脱困技术，并提出双护盾TBM卡机预防措施。实践证明，相应的脱困技术成功地解决了卡机现象。
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| 关 键 词： | 引水隧洞 双护盾TBM 卡机 脱困 引水隧洞 不良地质 |
| 收稿时间： | 2011-02-28 |
| 修稿时间： | 2011-03-12 |
Analysis on Jamming of Double-shield TBM in Construction of Water Diversion Tunnel and Jamming Releasing Technology |
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| WANG Jiang.Analysis on Jamming of Double-shield TBM in Construction of Water Diversion Tunnel and Jamming Releasing Technology[J].Tunnel Construction,2011,31(3):364-368. |
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| Authors: | WANG Jiang |
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| Institution: | China Railway First Survey and Design Institute Group Co., Ltd., Xi’an 710043, China |
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| Abstract: | The construction schedule is greatly affected due to the jamming of the double-shield TBM in the construction of the water diversion tunnel in unfavorable geology conditions.The causes for 3 common types of jamming of double-shield TBM in the construction of the water diversion tunnel of Datonghe-Huangshuihe Water Transfer Project in unfavorable geology conditions are summarized and analyzed,5 types of jam releasing technologies are proposed and countermeasures are adviced to prevent jamming of double-shield TBMs.In the end,the jamming has been successfully released,due to the application of these technologies. |
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| Keywords: | water diversion tunnel double-shield TBM jamming jam releasing water diversion tunnel unfavorable geology condition |
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