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- Directional_boring abstract "Directional boring, commonly called horizontal directional drilling or HDD, is a steerable trenchless method of installing underground pipes, conduits and cables 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 not practical. It is suitable for a variety of soil conditions and jobs including road, landscape and river crossings. Installation lengths up to 2000 m have been completed, and diameters up to 1200 mm have been installed in shorter runs. Pipes can be made of materials such as PVC, polyethylene, polypropylene, Ductile iron, and steel if the pipes can be pulled through the drilled hole. Directional boring is not practical if there are voids in the rock or incomplete layers of rock. The best material is solid rock or sedimentary material. Soils with cobble stone are not recommended. There are different types of heads used in the pilot-hole process, and they depend on the geological material.".
- Directional_boring thumbnail Ditch_Witch_All_Terrain_JT100_at_Sunset.jpg?width=300.
- Directional_boring wikiPageExternalLink dbapamphlet.htm.
- Directional_boring wikiPageID "7921791".
- Directional_boring wikiPageRevisionID "593424809".
- Directional_boring hasPhotoCollection Directional_boring.
- Directional_boring subject Category:Drilling_technology.
- Directional_boring subject Category:Subterranea_(geography).
- Directional_boring subject Category:Trenchless_technology.
- Directional_boring comment "Directional boring, commonly called horizontal directional drilling or HDD, is a steerable trenchless method of installing underground pipes, conduits and cables 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 not practical. It is suitable for a variety of soil conditions and jobs including road, landscape and river crossings.".
- Directional_boring label "Directional boring".
- Directional_boring label "Directional drilling".
- Directional_boring label "Horizontaal gestuurd boren".
- Directional_boring label "Horizontalspülbohrverfahren".
- Directional_boring label "Horyzontalne przewierty kierunkowe".
- Directional_boring label "Poço horizontal".
- Directional_boring label "Горизонтальное бурение".
- Directional_boring sameAs Horizontalspülbohrverfahren.
- Directional_boring sameAs Directional_drilling.
- Directional_boring sameAs Horizontaal_gestuurd_boren.
- Directional_boring sameAs Horyzontalne_przewierty_kierunkowe.
- Directional_boring sameAs Poço_horizontal.
- Directional_boring sameAs m.026k5yp.
- Directional_boring sameAs Q1628173.
- Directional_boring sameAs Q1628173.
- Directional_boring wasDerivedFrom Directional_boring?oldid=593424809.
- Directional_boring depiction Ditch_Witch_All_Terrain_JT100_at_Sunset.jpg.
- Directional_boring isPrimaryTopicOf Directional_boring.