【摘要】 某海底嵌岩锚链灌注桩工程建设进度紧迫以及受海况、天气影响较大,工程要求钻孔施工作业必须快速,高效,可靠,为此采用新研制的FGC-15D型大直径潜孔锤气举反循环钻进工艺方法进行钻孔施工,该方法的成功应用表明其在港口工程建设中将有广阔的应用前景。更多还原

【Abstract】 Due to urgent building schedule and effect by sea condition and weather factor in a seabed rock-embedded anchor chain pile project,which requires quick,high efficient and reliable drilling construction,so we applied the drilling method of new generation of FGC-15D large-diameter DTH hammer air-lifting reverse circulation which applied successfully indicates that this method will be adopted more and more with a broad prospect in harbor construction.更多还原