line of principal stress 中文意思是什麼

line of principal stress 解釋
枝力軌跡
  • line : n 1 線;繩索;釣絲;測深度用繩,捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • of : OF =Old French 古法語。
  • principal : adj 1 主要的,首要的,最重要的;第一的。2 領頭的;負責人的,首長的。3 資本的,本金的,作為本錢的...
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  1. Obtain these chief research achievements. ( 1 ) the method of hydraulic fracturing, kaiser effect experiment and the finite element numerical simulation computation results, the direction of maximum horizontal principal stress intersect the small - angle of tunnel axial line, it is favorable to the stability of tunnel peripheral rock ; according to the test rust of field stress - relief method, at the present time, zhe gu mount tunnel have n ' t access to high crustal stress site, maximum principal stress magnitude is 17mpa ~ 20mpa

    主要獲得以下研究成果: ( 1 )綜合水壓致裂法、室內巖石kaiser效應試驗和有限元數值模擬計算研究成果,最大水平主應力方向與隧道洞軸線小角度相交,對隧道圍巖穩定性有利;根據現場應力解除法測試結果,目前鷓鴣山隧道尚未進入高地應力段,最大主應力量級為17mpa 20mpa 。
  2. Line of principal stress

    枝力軌跡
  3. By fitting reasonable external prestressing tendons to ensure ultimate bearing capacity of the bridge, to ensure stress reserve of the main beam, to reduce effectively principal tensile stress, to renew line state of bridge structure and gradient

    通過合理地設置體外預應力束,確保了該橋的極限承載能力;增大了主梁的應力儲備;有效地減少了主拉應力;恢復了橋面線形和坡度。
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