The technology of finishing float resisting anchor rod construction in deep sand layer with geologicaldrillingrig slurry retaining wall technology is analyzed briefly.
现简要分析利用地质钻机泥浆护壁成孔工艺完成深厚砂层中抗浮锚杆的施工工艺。
2
Consequently, a geological survey of the under-ground, rock structure must be carried out. If it is thought that the rocks in a certain area contain oil, a "drillingrig" is assembled.