Using the theory of Terzaghi s relation soil pressure,the limited support pressure formula with tunnel face in stratified sandy soil is .

 
  • 采用太沙基松動(dòng)土壓力理論,根據滑動(dòng)塊的整體受力平衡,推導出砂性土中考慮成層土的開(kāi)挖面最小支護壓力計算公式。
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