盾构隧道破损管片修补强度的理论与试验研究

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Abstract Due to the complexity of shield tunnel construction，some segments will be damaged during construction and need to be repaired，and the repair quality will directly influence the safety and durability of shield tunnel. The damage characteristics of a shield tunnel were summarized after investigating the segment damage，the mechanical characteristics of repair part while occurring longitudinal deformation was analyzed，and the longitudinal equivalent stiffness model was adopted to analyze the relationship between the stress on the repair part and longitudinal deformation，so that the controlled repair strength was obtained. Furthermore，according to mechanical characteristics of repair part and damage features，laboratory test model was designed to get the reasonable repair material. The research provides guidance for repair of damaged shield tunnel segment.

Key words： tunnelling engineering segment damage longitudinal deformation laboratory experiment

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	Articles by authors
	ZHOU Junhong
	ZHOU Shunhua
	WU Di
	ZHU Huanle

Cite this article:

ZHOU Junhong,ZHOU Shunhua,WU Di, et al. THEORY AND EXPERIMENT RESEARCH ON REPAIR STRENGTH OF DAMAGED SHIELD TUNNEL SEGMENT[J]. , 2013, 32(s2): 3643-3649.

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https://rockmech.whrsm.ac.cn/EN/Y2013/V32/Is2/3643

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