Results 51 to 60 of about 2,873 (95)

Experimental research on the performances of water jet devices and proposing the parameters of borehole hydraulic mining for oil shale. [PDF]

PLoS One, 2018
Wen J, Chen C, Campos U.
europepmc   +1 more source

Experimental research on the structural optimization of grouting holes in circular and rectangular pipe sections for trenchless pipe jacking. [PDF]

Sci Rep
Wen J, Ma Y, Xiang T, Gan M, Qiao H, Zhang W, Li D, Wu J, Lu Z.   +8 more
europepmc   +1 more source

Proceedings of the 15th International Congress on Circumpolar Health. [PDF]

Int J Circumpolar Health, 2013
europepmc   +1 more source

Fluid rheology and its implications for flow and cuttings transport in horizontal directional drilling (HDD) bores

S.P.C. Che, C.O. Menkiti, S.A. Jefferis
openaire   +1 more source

Some of the next articles are maybe not open access.

Related searches:

Data acquisition and factors impacting productivity of Horizontal Directional Drilling (HDD)

Tunnelling and Underground Space Technology, 2013
Abstract Contractors, consultants, and decision makers are challenged to estimate time and cost of new pipe installations using Horizontal Directional Drilling (HDD). This is because productivity prediction and cost estimation of HDD involves a large number of objective and subjective factors that need to be considered.
Tarek Zayed
exaly   +3 more sources

Development of a bore-head GPR for Horizontal Directional Drilling (HDD) equipment

Proceedings of the XIII Internarional Conference on Ground Penetrating Radar, 2010
ORFEUS is a Specific Targeted Research Project (STREP), partly funded by the EC, that started in November 2006. One of the objectives of the project was to design and develop a radar mounted on the drill head of Horizontal Directional Drilling (HDD) machines to provide a real-time indication, to the operator, of obstacles in the drill path.
Devis Dei, Guido Manacorda
exaly   +3 more sources

Methods for Estimating Pipe Pullback Loads for Horizontal Directional Drilling (HDD) Crossings

Journal of Infrastructure Systems, 2002
This paper reviews and evaluates three current design practices for calculating tensile loading during the installation of steel and polyethylene pipe using horizontal directional drilling (HDD).
Erez N Allouche
exaly   +3 more sources

Modeling of an obstacle detection sensor for horizontal directional drilling (HDD) operations

Automation in Construction, 2011
Abstract Horizontal Directional Drilling (HDD) is a commonly used construction method for the installation of underground pipelines, conduits and cables in urban areas and across obstacles such as rivers, railways and highways. A key concern in using the HDD method is the risk of hitting existing buried utilities during the pilot boring operation ...
A.P. Jaganathan, J.N. Shah, E.N. Allouche, M. Kieba, C.J. Ziolkowski   +4 more
exaly   +3 more sources