The stability of single cavern roof is studied with cusp catastrophe model of large deformation circular plate with fixed supports.

　
英 美
  • 采用固支大變形圓板突變模型研究了單井溶腔頂板的穩定性,得出了溶腔頂板巖層失穩的必要條件;
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan