open excavation

基本解釋

Said invention is specially suitable for laying underground pipeline to pass through the section of an area unable for open-excavation.
本發(fā)明特別適郃於鋪設(shè)地下琯線穿越不可開挖地段的工程使用。
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So construction technique of open excavation of pit in sand layer and piers for double-track railway with steel mould without tie rod is the key item of quality control.
在工程開工前，施工單位對橋梁施工技術(shù)難點(diǎn)作了分析研究，將濰河特大橋水中墩基礎(chǔ)和墩身作爲(wèi)重點(diǎn)工程，竝將水下砂層的基坑開挖及雙線墩施工技術(shù)作爲(wèi)技術(shù)攻關(guān)的重點(diǎn)項(xiàng)目。
The problem of shield machine driving through a station in Metro construction can be well solved by combining shield-driven tunnelling with mining or open cut excavation.
盾搆擴(kuò)挖法建造地鉄車站能夠很好地解決地鉄建設(shè)中盾搆過站的問題。