ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2021, Vol. 41 ›› Issue (9): 1555-1564.DOI: 10.3973/j.issn.2096-4498.2021.09.015
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QI Mengxue, YANG Guoqing, ZENG Shaoyi
Online:
Published:
Abstract: An increasing number of complex geological conditions are encountered during tunnel boring machine (TBM) construction; thus, advanced treatment is required to reduce or avoid frequent TMB jamming under complex geological conditions. In this study, 10 existing treatment techniques are reviewed to analyze geological problems such as broken, weak, waterrich, complete, and hard rocks, as well as rockburst. Advanced treatment techniques include (1) the advanced treatment of and ahead of tunnel face, including cutterhead cleaning, advanced grouting of tunnel face, surface grouting, and artificial joints; (2) postpositioned advanced treatment techniques applied to the tail or behind shields, including advanced grouting, advanced smallduct grouting reinforcement, and advanced pipe shed reinforcement; and (3) advanced treatment techniques of pilot tunnel methods applied to proper positions, including the smallpilot tunnel method, pilot tunnel method, and stress release method of pilot tunnels in advance. Advanced treatment of TBM construction can be achieved by (1) reducing the construction proportion of TBM in unfavorable geological tunnel sections; (2) improving the geological adaptability of TBM construction methods; (3) improving the accuracy and timeliness of advanced geological prediction; (4) creating dynamic designs and performing rational decision making; and (5) improving management systems, such as norms, standards, and quotas, and promoting the scientific application and popularization of TBM.
Key words: fullface tunnel boring machine, advanced treatment of tunnel face, postpositioned advanced treatment, frontmounted advanced treatment, pilot tunnel method
CLC Number:
U 45
QI Mengxue, YANG Guoqing, ZENG Shaoyi. Review and Analysis of Advanced Treatment Techniques for FullFace Tunnel Boring Machine Construction[J]. Tunnel Construction, 2021, 41(9): 1555-1564.
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URL: http://www.suidaojs.com/EN/10.3973/j.issn.2096-4498.2021.09.015
http://www.suidaojs.com/EN/Y2021/V41/I9/1555