stability of coal pillar 煤柱稳定性
Applying the numerical simulation program ANSYS to analyze the stability of pillar, it proved pillar is stable.
运用ANSYS程序对煤柱的稳定性进行了数值模拟，验证了煤柱的稳定性。
And the methods saving concrete masonry quantity and strengthening the stability of pillar foundation are given in the paper.
提出了节约混凝土圬工数量的方法和增加基础稳定性所要采取的措施。
From the point view of system theory, a new concept for improving the stability of the whole pillar system is put forward, and the indices of pillar stability assessment are introduced.
从系统论的角度提出改善煤柱稳定性的新思路，即从提高稳定性最差的煤柱来改善整个煤柱系统的稳定性，并从材料和结构两个方面给出评价煤柱稳定性的指标。
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