Chapter 12Horizontal Directional Drilling421Chapter 12Horizontal Directional DrillingIntroductionThe Horizontal Directional Drilling (HDD) Industry has experienced so much growth in the past two decades that HDD has become commonplace as a method of installation. One source reported that the number of ...
directional— 定向 · 方向形 · 向阀形 · 指向形 · 方向性形 drilling名— 钻孔名 · 演练名 drilling— 钻眼 查看更多用例•查看其他译文 查看其他译文 © Linguee 词典, 2025 使用DeepL翻译器,即刻翻译文本和文档 随打随译 世界领先的质量
1.To apply horizontal directional drilling horizontal directional drilling technology to conduct pipe renewing;运用水平定向钻进技术实施管道更换的新方法 英文短句/例句 1.Non- excavating horizontal directional drilling technique is a kind of newly developed construction technique.非开挖水平定向钻进技术是一项高...
20-110/98SECTION20HORIZONTALDIRECTIONALDRILLING(HDD)/HDPEPIPE20.01SCOPE:A.General:Itistheintentofthisspecific..
PURPOSE: A horizontal directional drilling is provided to prevent the settlement formed by the space between a drilled hole and a pipe while the space is filled with bentonite as a back-filler. CONSTITUTION: A drilling method comprises five steps. In the first step, holes(14,15) for work ...
1. Research on trenchless horizontal directional drilling software design; 非开挖水平定向钻进软件设计研究2. The development of Horizontal Directional Drilling in coal mines; 煤矿井下水平定向钻进技术的发展3. Research of Horizontal Directional Drilling Trace Optimization and Software Design in No-dig ...
Horizontal directional drilling (HDD) is a steerable trenchless method of installing underground pipelines in a shallow arc along a prescribed bore path by using a surface-launched drilling rig, with minimal impact on the surrounding area. Directional boring is used when trenching or excavating is no...
Horizontal Directional Drilling (HDD) Toolbox - 水平定向钻井工具箱 HDD工具箱是一套全面的软件工具,与我们的工具箱系列一致,用在由HDD设计和安装的管道和公用设施。由于HDD技术的综合性,以及其多样化的技术学科,其中包括土力学,钻井和流变学,结构力学和管道/管道敷设技术,通过HDD安装是对HDD相关专业人士的挑战。
1)horizontal directional drilling水平定向钻 1.Reasearch of measurement while drilling and azimuth correction for horizontal directional drilling;水平定向钻进随钻测量及方位校正研究 2.The effect of horizontal directional drilling in soft soil on the near environment during installing pipes;软土地区水平定向钻...
Fig. Free body diagram for pulling of curved pipe section For any curved section, the pulling force (F2) is calculated from static force balance as follows: F2 = F1 + 2 | FFr | + Fdrag± FP Where, F1 = Force resisting the movement of the remaining pipe at Point 1 (Sum...