Influence of towing speed on effectiveness of rolling dynamic compaction

dc.contributor.authorScott, B.T.
dc.contributor.authorJaksa, M.B.
dc.contributor.authorMitchell, P.W.
dc.date.issued2020
dc.description.abstractThe influence of towing speed on the effectiveness of the 4-sided impact roller using earth pressure cells (EPCs) is investigated. Two field trials were undertaken; the first trial used three EPCs placed at varying depths between 0.5 m and 1.5 mwith towing speeds of 9e12 km/h. The second used three EPCs placed at a uniform depth of 0.8 m, with towing speeds of 5e15 km/h. The findings from the two trials confirmed that towing speed influences the pressure imparted to the ground and hence compactive effort. This paper proposes that the energy imparted to the ground is best described in terms of work done, which is the sum of the change in both potential and kinetic energies. Current practice of using either kinetic energy or gravitational potential energy should be avoided as neither can accurately quantify rolling dynamic compaction (RDC) when towing speed is varied.
dc.description.statementofresponsibilityBrendan T. Scott, Mark B. Jaksa, Peter W. Mitchell
dc.identifier.citationJournal of Rock Mechanics and Geotechnical Engineering, 2020; 12(1):126-134
dc.identifier.doi10.1016/j.jrmge.2019.10.003
dc.identifier.issn1674-7755
dc.identifier.issn1674-7755
dc.identifier.orcidScott, B.T. [0000-0001-5409-7678]
dc.identifier.orcidJaksa, M.B. [0000-0003-3756-2915]
dc.identifier.urihttps://hdl.handle.net/2440/146328
dc.language.isoen
dc.publisherElsevier
dc.rights© 2019 Institute of Rock and Soil Mechanics, Chinese Academy of Sciences. Production and hosting by Elsevier B.V. This is an open access article under the CC BYNC- ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
dc.source.urihttps://doi.org/10.1016/j.jrmge.2019.10.003
dc.subjectRolling dynamic compaction (RDC); Optimum towing speed; Ground improvement
dc.titleInfluence of towing speed on effectiveness of rolling dynamic compaction
dc.typeJournal article
pubs.publication-statusPublished

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