advance under cover 中文意思是什麼

advance under cover 解釋
蔭蔽開進
  • advance : vt 1 進，推進；促進（生長），助長；撥進（時針），增進；提早，提前。2 使升級，提升。3 提高，抬高，...
  • under : adv 1 在下，從屬著，服從著。 bring under get under keep under 等〈參看各該動詞條〉。 The ship wen...
  • cover : vt 1 覆蓋，遮蔽，包裹；戴帽子；包庇，隱蔽，掩蓋；滅跡，（用紙）表（墻）。2 孵（小雞）；（種馬）交...
  1. Concerning the construction of the shallow cover and the special shallow cover in the tunnel under the special geology conditions, the principle of " to stabilize the slopes with protecting arch ; to strengthen the earth with the pipe - shield support grouting ; to dig a hole shallowly ; to blast slightly ; to use strong supporting structure. " has been adopted to enter the tunnel safely ; in terms of the broken belt, the effective actions such as the pipe - shield support grouting, strengthening the surrounding rock in advance with advanced bolt and steel grids, and so on, are taken to pass the poor conditioned part smoothly

    對于特殊地質中的淺理、特淺埋進洞的施工，堅持「護拱穩定邊仰坡，大管棚注漿加固土體，淺打眼、弱爆破、強支護」的原則，做到安全進洞；對于斷層破碎帶，則採取了管棚注漿，超前錨桿預先加固圍巖並結合鋼格柵支撐等有力措施，順利通過了不良地段。
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