directional drillingとは 意味・読み方・使い方

A tooth-side flat part 21 substantially vertical to a drilling direction and a protruding mount part 22 to be inserted to an adaptor 10, which is formed in substantially the center of the tooth-side flat part 21, are provided on the drilling directional base end part of a tooth 20.例文帳に追加

ツース(20)の掘削方向の基端部に、掘削方向にほぼ垂直なツース側平面部(21)と、ツース側平面部(21)のほぼ中央部に形成され、アダプタ(10)に挿入する凸形状の取付部(22)とを設ける。 - 特許庁

To provide a wall pile capable of improving earthquake resistance more than a conventional wall pile by uniforming the directional property of horizontal support force and reducing the drilling earth quantity of a surface layer ground or the use quantity of a material for forming the wall pile in the construction of the wall pile.例文帳に追加

水平支持力の方向性を一様とすることで従来の壁杭より耐震性を向上できるとともに、壁杭を構築する際の表層地盤の掘削土量や壁杭を形成する材料の使用量を低減できる壁杭を提供する。 - 特許庁

A plural number of injection holes 3 are drilled in parallel with a tunnel axis by surrounding an outer peripheral part of an existing tunnel T with equal intervals by using a horizontal control drilling machine 1 and a directional control device from a ground surface or from a shaft, and a water stopping ground B to surround the tunnel outer peripheral part is constructed by injecting a filler from those injection holes 3 into the ground.例文帳に追加

地表または立坑から水平制御削孔機械（１）と方向制御装置とを用い、既設のトンネル（Ｔ）の外周部を等間隔に囲みトンネル軸に平行に複数の注入孔（３）を削孔し、それらの注入孔（３）から注入剤を地盤中に注入してトンネル外周部を囲む止水地盤（Ｂ）を造成する。 - 特許庁