The non-linear stability problem occurred in the interior steel sheet of a steel-concrete composite bored shaft lining in coal mines is discussed.
本文研究用煤矿钻井法钻凿竖井时钢板-混凝土复合井壁内钢板的非线性失稳问题。
Through model experiments, the characteristics of stress and strength of the steel fiber reinforced high strength concrete shaft lining are studied.
通过模型试验，对这种井壁结构的力学特性和破坏特征进行了深入研究。
Through model experiments, the characteristics of stress and strength of the steel fiber reinforced high strength concrete shaft lining are studied.
通过模型试验，对这种井壁结构的力学特性和破坏特征进行了深入研究。
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