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An Overview on Measurement-While-Drilling Technique and its Scope in Excavation Industry
Department of Mining Engineering, Indian Institute of Technology (BHU), Varanasi.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
2015 (English)In: Journal of The Institution of Engineers (India): Series D, ISSN 2250-2122, Vol. 96, no 1, p. 57-66Article in journal (Refereed) Published
Abstract [en]

Measurement-while-drilling (MWD) aims at collecting accurate, speedy and high resolution information from the production blast hole drills with a target of characterization of highly variable rock masses encountered in sub-surface excavations. The essence of the technique rests on combining the physical drill variables in a manner to yield a fairly accurate description of the sub-surface rock mass much ahead of following downstream operations. In this light, the current paper presents an overview of the MWD by explaining the technique and its set-up, the existing drill–rock mass relationships and numerous on-going researches highlighting the real-time applications. Although the paper acknowledges the importance of concepts of specific energy, rock quality index and a couple of other indices and techniques for rock mass characterization, it must be distinctly borne in mind that the technique of MWD is highly site-specific, which entails derivation of site-specific calibration with utmost care.

Place, publisher, year, edition, pages
2015. Vol. 96, no 1, p. 57-66
National Category
Other Civil Engineering
Research subject
Mining and Rock Engineering; Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-4315DOI: 10.1007/s40033-014-0054-4Scopus ID: 2-s2.0-84952928229Local ID: 23e841fe-da5c-483f-adc5-21cc3efb725fOAI: oai:DiVA.org:ltu-4315DiVA, id: diva2:977179
Note
Godkänd; 2015; 20141113 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Schunnesson, HåkanLindqvist, Per-ArneKumar, Uday

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