A simplified mechanical model of pillar_hang wall was established in asymmetric mining and instability of the system was discussed by means of potential energy principle and cusp catastrophe theory.

　
英 美
  • 基于勢能原理,應用尖點(diǎn)突變理論對礦柱成為非穩定系統進(jìn)行了探討,導出了失穩的充要條件、礦柱變形突跳量和能量釋放表達式,為定量研究其失穩問(wèn)題奠定了基礎。
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