flat-to-flat survey 中文意思是什麼

flat-to-flat survey 解釋
逐戶勘測
  • flat : n 1 〈英罕〉地板；（房屋的）一層。2 一套房間；〈pl 〉分宅公寓〈美國高級公寓叫 apartment house〉。...
  • to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
  • survey : vt 1 眺望，俯瞰，環顧。2 審視；通盤考慮[考察]，觀察（形勢）；概括，綜合評述。3 測量（土地），勘查...
  1. Flat - to - flat survey

    逐戶勘測
  2. Special attention should be paid to the flat tunnel with outsized span at shallow depth. apart from some common surveys, it is quite necessary to survey initial support stress, which is conducive to directly and accurately understanding changes of stress in surrounding rock and can provide helpful guidelines for governing tunnel construction in an importantly practical way

    施工中必須進行監控量測，淺埋特大跨隧道施工除需進行常規項目量測外，必須進行初期支護應力量測，這樣可準確、直觀了解圍巖應力變化情況，對指導隧道施工、預防險情有著非常重要的現實意義。
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