| 高埋深软硬岩互层地质条件下敞开式TBM岩爆段施工方法研究 |
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| 引用本文： | 张照太,游胜,丰光亮,陈竹,陈炳瑞.高埋深软硬岩互层地质条件下敞开式TBM岩爆段施工方法研究[J].隧道建设,2019,39(5):843-850. |
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| 作者姓名： | 张照太 游胜 丰光亮 陈竹 陈炳瑞 |
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| 作者单位： | (1. 北京住总集团有限责任公司， 北京 100029； 2. 北京振冲工程股份有限公司， 北京 100102； 3. 中国科学院武汉岩土力学研究所 岩土力学与工程国家重点实验室， 湖北 武汉 430071) |
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| 基金项目： | 国家自然科学基金资助项目（51709256,51539002） |
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| 摘 要： | 基于喜马拉雅山区域某软硬岩性互层地质条件下的深埋隧洞工程，为解决该区域TBM施工过程中的岩爆问题，统计分析了TBM施工过程中的岩爆特征；在施工过程中开展了多种岩爆规避试验，形成了一套较完整的有针对性的施工方法： 1）岩爆风险巡查常态化； 2）超前地质预报和超前处理措施相结合； 3）支护材料和支护方式合理化； 4）掘进参数动态调整。在后续的施工中加以应用，取得了较好的效果，可以为类似地质条件下的安全施工提供参考。
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| 关 键 词： | 深埋隧洞 软硬互层 敞开式TBM 岩爆 风险巡查 超前地质预报 超前处理 初期支护 |
| 收稿时间： | 2018-12-29 |
| 修稿时间： | 2019-04-10 |
Construction Technologies of Open TBM in Deep buried Rockburst Section with Soft and Hard Alternant Strata |
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| ZHANG Zhaotai,YOU Sheng,FENG Guangliang,CHEN Zhu,CHEN Bingrui.Construction Technologies of Open TBM in Deep buried Rockburst Section with Soft and Hard Alternant Strata[J].Tunnel Construction,2019,39(5):843-850. |
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| Authors: | ZHANG Zhaotai YOU Sheng FENG Guangliang CHEN Zhu CHEN Bingrui |
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| Affiliation: | (1. Beijing Uni Construction Group Co., Ltd., Beijing 100029, China; 2. Beijing Vibroflotation Engineering Co., Ltd., Beijing 100102, China; 3. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, Hubei, China) |
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| Abstract: | In order to solve the problem of rockburst in TBM construction process, the characteristics of rockburst during TBM boring in soft and hard alternant strata of Himalayan region are studied and analyzed. Some rockburst avoidance tests have been carried out during construction, and a complete set of targeted construction method for rockburst mitigation is summarized. The methods include: (1) normalization of rockburst inspection, (2) combination of advance geological prediction and advanced treatment, (3) rationalization of supporting materials and supporting methods, and (4) dynamic adjustment of tunneling parameters. The methods applied to the following construction have achieved good effect. The results can provide reference for safe construction of TBM in similar strata in the future. |
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| Keywords: | deep tunnel soft and hard alternant strata open TBM rockburst risk inspection advance geological prediction advanced treatment primary support |
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