| 联络通道坍塌后地层加固方案探讨 |
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| 引用本文： | 魏玉省.联络通道坍塌后地层加固方案探讨[J].隧道建设,2011,31(4):510-514. |
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| 作者姓名： | 魏玉省 |
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| 作者单位： | 中铁隧道勘测设计院有限公司,天津,300133 |
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| 摘 要： | 广州地铁某盾构区间联络通道在开挖过程中发生塌方,为尽快把塌方后回填的松散地层及开挖轮廓线外一定范围内的地层进行加固止水,先后选择了地面深孔袖阀管注浆、地面三重管高压旋喷桩、洞内WSS工法注浆3种地层加固方案,并采取了左线盾构隧道两端封堵及向隧道内灌水的措施,最终使加固后的地层强度和渗透系数达到了设计要求,为联络通道开挖提供了条件。
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| 关 键 词： | 联络通道 坍塌 袖阀管注浆 三重管高压旋喷桩 WSS工法注浆 |
| 收稿时间： | 2011-05-03 |
Discussion on Ground Consolidation Technology：Case Study on a Collapsed Connection Gallery of a Metro Tunnel |
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| WEI Yusheng.Discussion on Ground Consolidation Technology：Case Study on a Collapsed Connection Gallery of a Metro Tunnel[J].Tunnel Construction,2011,31(4):510-514. |
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| Authors: | WEI Yusheng |
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| Institution: | WEI Yusheng(China Railway Tunnel Survey ＆ Design Institute Co.,Ltd.,Tianjin 300133,China) |
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| Abstract: | Collapse occurred during the excavation of a connection gallery of a shield-bored tunnel of Guangzhou Metro.Programs such as deep-hole Soletanche grouting executed from the ground surface,triple-fluid high-pressure jet grouting columns executed from the g |
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| Keywords: | connection gallery collapse soletanche grouting triple-fluid high-pressure jet grouting WSS grouting |
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