极限荷载 (破坏荷载 ,极限压力 ,极限承载力 ) ultimate load 极限平衡区 zone of limit equilibrium 极限平衡状态 (极限应力状态 ) state of limit equilibrium ..
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The paper describes results of research on stresses in roadway sides and limit equilibrium zone conducted by researchers both at home and abroad, and points out the existing problems.
本文介绍了国内外学者对煤层巷道两帮煤体应力及极限平衡区的研究成果，指出了研究中存在的问题。
The assumed presupposition of limit equilibrium theory is recounted. Based on this, the expressive formula of radius of the non-elastic zone and rock displacement of tunnel outline was given.
叙述了极限平衡理论的假设条件，在此基础上给出了隧道围岩变形公式及非线性区半径表达式。
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