盾构/TBM渣土改良与盾尾密封技术研究进展

Hazard Control in Tunnelling and Underground Engineering

2019, Vol. 1

Issue (4): 33-48 DOI:

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Research progress of shield/TBM soil conditioning and tail sealing technology

LI Shuchen¹, WAN Zeen¹, SHANG Jinhua², ZHAO Shisen¹, YANG Xiaodong², LI Yang¹

1. School of Qilu Transportation, Shandong University, Jinan 250002, Shandong, China;
2. Jinan Rail Transit Group Co., Ltd., Jinan 250000, Shandong, China

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Abstract There are many problems during shield/TBM construction, such as the difficulty of muck removal, tool wear, shield tail failure, ground settlement, which seriously affected the safety and efficiency of tunnel construction and become important issues for shield construction at present. The key to solve these problems is to carry out the research on shield/TBM soil conditioning and tail sealing technology. This study described the causes of the above problems. Based on the common construction technology of shield tunnel, this study focused on the current research status of soil conditioning and shield tail sealing technology at home and abroad, and summarized the shortcomings of current common construction methods and construction technology. Relying on the combination of laboratory test and field test, new shield materials and supporting construction technologies were developed, such as high-efficiency soil conditioning agent, anti-dust and wear-resistant agent, high-performance shield tail sealing grease, synchronous grouting filling agent. The theoretical analysis and effect comparison test were carried out to solve the technical problems related to the shield/TBM tunneling process, ensuring the safe and rapid construction of the tunnel, and providing the theoretical basis and technical support for soil conditioning and shield tail sealing in the complex environment with high water pressure in the future.

Key words： shield/TBM soil conditioning tool wear shield tail sealing synchronous grouting

Received: 01 July 2019 Published: 09 March 2020

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	LI Shuchen
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	SHANG Jinhua
	ZHAO Shisen
	YANG Xiaodong
	LI Yang

Cite this article:

LI Shuchen,WAN Zeen,SHANG Jinhua, et al. Research progress of shield/TBM soil conditioning and tail sealing technology[J]. Hazard Control in Tunnelling and Underground Engineering, 2019, 1(4): 33-48.

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http://tunnel.sdujournals.com/EN/ OR http://tunnel.sdujournals.com/EN/Y2019/V1/I4/33

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