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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
收稿日期: 2018-12-29
修回日期: 2019-04-10
网络出版日期: 2020-03-11
基金资助
国家自然科学基金资助项目(51709256,51539002)
Construction Technologies of Open TBM in Deepburied Rockburst Section with Soft and Hard Alternant Strata
Received date: 2018-12-29
Revised date: 2019-04-10
Online published: 2020-03-11
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 . DOI: 10.3973/j.issn.2096-4498.2019.05.016
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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