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)明特別適合于鋪設(shè)地下管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)難點作了分析研究，將濰河特大橋水中墩基礎(chǔ)和墩身作為重點工程，并將水下砂層的基坑開挖及雙線墩施工技術(shù)作為技術(shù)攻關(guān)的重點項目。
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.
盾構(gòu)擴挖法建造地鐵車站能夠很好地解決地鐵建設(shè)中盾構(gòu)過站的問題。