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Horizontal stress increase induced by deep vibratory compaction
Geo Risk & Vibrat Scandinavia AB, Stockholm, Sweden..
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics. KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group.ORCID iD: 0000-0002-7361-0729
2020 (English)In: Proceedings of the Institution of Civil Engeneers: Geotechnical Engineering, ISSN 1353-2618, E-ISSN 1751-8563, Vol. 173, no 3, p. 228-253Article in journal (Refereed) Published
Abstract [en]

Compaction by vertically or horizontal oscillating probes increases not only the soil stiffness but also the horizontal effective stress. An important, but often neglected, consequence is that compaction also causes preloading of the soil. The change in horizontal stress following vibratory compaction can be measured independently by two in situ methods - a cone penetration test (CPT) and a flat dilatometer test (DMT). Values of sleeve resistance (CPT) and horizontal stress index (DMT) can be determined prior and after compaction. In this work, five case histories reported in the literature where different vibratory compaction methods were used (dynamic compaction, vibroflotation, VibroWing, TriStar and resonance compaction) were re-analysed. For each test site, the change in CPT cone resistance and sleeve resistance was determined and compared with the increase in horizontal stress index from DMTs. The preloading effect due to vibratory compaction was estimated using empirical correlations.

Place, publisher, year, edition, pages
Thomas Telford Ltd. , 2020. Vol. 173, no 3, p. 228-253
Keywords [en]
field testing & monitoring, landfills, stress analysis
National Category
Soil Science
Identifiers
URN: urn:nbn:se:kth:diva-273877DOI: 10.1680/jgeen.19.00040ISI: 000532801900005Scopus ID: 2-s2.0-85084931676OAI: oai:DiVA.org:kth-273877DiVA, id: diva2:1434389
Note

QC 20200603

Available from: 2020-06-03 Created: 2020-06-03 Last updated: 2022-06-26Bibliographically approved

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Wersäll, Carl

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Soil and Rock MechanicsThe KTH Railway Group
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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf