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Acoustic compressional wave velocity as a predictor of glacio-marine sediment grain size
Responsible organisation
2007 (English)In: ASTM geotechnical testing journal, ISSN 0149-6115, E-ISSN 1945-7545, Vol. 30, no 4, 267-273 p.Article in journal (Refereed) Published
Abstract [en]

We present relationships between the nondestructive measurement of acoustic compressional wave velocity and grain size and show that velocity can be used to assess some physical properties of glacio-marine sediments. For coarse-grained sediments, an increase in velocity is associated with an increase in the percentage of this size range. Within the fine-grained sediment size range, velocity is not an accurate predictor of grain-size. A median grain size of 4 mu m and a sand content of 15 % are the limiting factors that distinguish this fine-grained behavior from coarsegrained behavior. However, in fine-grained glacio-marine sediment, the percent of sand (grain size > 63 mu m), can be predicted by compressional wave velocity. Therefore, with further refinement, acoustic velocity shows some potential as a predictor of grain size for marine sediments.

Place, publisher, year, edition, pages
2007. Vol. 30, no 4, 267-273 p.
Keyword [en]
grain size; marine sediment; acoustic compressional wave velocity; nondestructive testing; porosity; bulk density
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:polar:diva-3175OAI: oai:DiVA.org:polar-3175DiVA: diva2:1048344
Available from: 2016-11-21 Created: 2016-11-21 Last updated: 2016-11-21

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  • apa
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