flat-to-flat survey 中文意思是什麼
flat-to-flat survey
解釋
逐戶勘測-
Flat - to - flat survey
逐戶勘測 -
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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