This paper introduces boring method of bored and bottom-enlarging mudjack pile in dry operation.
本文简单介绍了干作业钻孔扩底桩的成孔处理方法。
Analysis on construction method of boring and expanding bottom pile in permafrost region in Qinghai-Tibet plateau;
青藏高原多年冻土区钻孔扩底桩施工方法浅析
Construction technology of boring and expanding bottom pile in Qinghai-Tibet Plateau;
青藏高原上钻孔扩底桩的施工技术
Propagation of water wave over a periodically perforated bottom and the band structure
水波在周期性钻孔底部结构中的传播及其能带
tap(ping) drill
螺丝孔钻，螺丝底孔钻
counterbore with guide
有导柱的平底扩充孔钻
The first choice is to dig our heads and oil drills deeper into the ground.
第1种选择就是用石油钻孔机钻至更深的地底。
Drill three holes in the floor/base plate for anchoring the leg.
在地面/底板上为锚固支柱打钻三个孔。
Post pressure grouting of borehole cast-in-situ pile bottom and its quality control
钻孔灌注桩孔底后压浆施工工艺及质量控制
Analysis and treatment on pile bore checking collapse accidents of large diameter bored perfusion pile
大口径钻孔扩底灌注桩在孔形检测时的塌孔分析及处理
The Application Effect Analysis of Post grouting Under Bored Piles with Different Bearing Strata
不同持力层钻孔桩桩底后注浆应用效果分析
DEVELOPMENT AND APPLICATION OF UNDER-REAMED BORE PILE DRILLIED BY MECHNICAL ROTATING CUTTER
钻孔机械旋转刀扩底灌注桩的开发与应用
Latter Cenent-inject Technique Reseach and Application for Underlying of a Big Diameter Drill-affusing Pile in Nerilic Pool Region;
滩涂区钻孔灌注桩桩底注浆技术的研究和应用
Engineering Application in the Technology of Grouting after Pile Driving at Bottom of Pile;
钻孔灌注桩桩底后压浆技术的工程应用
Application of Under-reamed Bored Pile in a Bridge;
钻孔扩底灌注桩在桥梁基础工程中的应用
Numerical Simulation Optimization for Release Pressure Bore Hole of Roadway Floor in Three Soft Coal Seam
三软煤层巷道底板钻孔卸压的数值模拟优化
The application of boring and expanding bottom pile in treating high rise building foundation
钻孔扩底灌注桩在处理高层建筑地基中的应用
Construction Technology of Under-reamed Bored Pile in Guangzhou New TV Tower
广州新电视塔扩底钻孔灌注桩施工技术
Bored Pile after Pile Grouting Technology and Construction Quality Control
钻孔灌注桩桩底后注浆技术及施工质量控制
Influence of Pile Bottom Sediment on the Bearing Property of Rock-socket Filling Pile
桩底沉渣对嵌岩钻孔灌注桩承载性状影响研究
Cranial Drilling and Catheter Drainage in Treatment of Hypertensive Cerebral Hemorrhage in Basal Ganglia
颅骨钻孔置管引流治疗基底节区高血压脑出血