Abstract
Back-pressured, constant-rate-of-deformation consolidation, and permeability tests were conducted on 21 “undisturbed” samples from Eckernförde Bay in the Baltic Sea. The soft fine-grained sediments have very high in-situ void ratios and are highly compressible. The compression index decreases slightly in the upper 40 cm but remains essentially unchanged below 40 cm at an average value of 3.5 to a depth of 260 cm. Recompression indices range from 5 to 19% of the virgin indices. The preconsolidation stress is consistently higher than the overburden stress, particularly near the surface. Permeabilities at in situ void ratios vary between 3 × 10−4 and 10−6 cm s−1, with the relationship between void ratio and the logarithm of permeability being linear.
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References
Ag A (1994) Consolidation and permeability behavior of high porosity Baltic seabed sediments. MS thesis. University of Rhode Island, Narragansett, Rhode Island. 131 pp
Anderson AL, Abegg F, and Weitz RA (1995) Gas concentration and bubble distribution in the floor of Eckernförde Bay: Ground truth from core sample measurements. In: Wever TF (Ed.), Proceedings of the Workshop Modelling Methane-Rich Sediments of Eckernförde Bay. pp 70–72
ASTM (1994) Annual Book of ASTM Standards, Soil and Rock (I), American Society for Testing and Materials, 04.08:275–277
Bentley SJ, Nittrouer CA, and Sommerfield CK (1996) Development of sedimentary strata in Eckernförde Bay, southwestern Baltic Sea. Geo-Marine Letters 16:148–154
Casagrande A (1936) The determination of preconsolidation load and its practical significance. Discussion D-34, Proceedings First International Conference on Soil Mechanics and Foundation Engineering, Cambridge 3:17–39
D'Andrea AF, Lopez GR, and Craig NI (1996) Benthic macrofauna and bioturbation in Eckernförde Bay, southwestern Baltic Sea. Geo-Marine Letters 16:155–159
Faas RW (1994) CBBLSRP FY93 year-end report. In: Coastal Benthic Boundary Layer Special Research Program: A Review of the First Year 1:84–94
Keller GH (1982) Organic matter and the geotechnical properties of submarine sediments. Geo-Marine Letters 2:191–198
Lavoie D, Lavoie D, Pittenger A, and Bennett R (1996) Bulk sediment properties interpreted in light of qualitative and quantitative microfabric analysis. Geo-Marine Letters 16:226–231
Martens CS and Albert D (1994) CBBLSRP FY93 year-end report. In: Coastal Benthic Boundary Layer Special Research Program: A Review of the First Year 1:119–124
Mitchell JK (1976) Fundamentals of Soil Behavior. New York: John Wiley & Sons. 422 pp
Orsi TH, Werner F, Milkert D, Anderson AL, and Bryant WR (1996) Environmental overview of Eckernförde Bay, northern Germany. Geo-Marine Letters 16:140–147
Richardson MD (1994) Investigating the coastal benthic boundary layer. EOS, Transactions of the American Geophysical Union 75(17):201, 205, 206
Silva AJ and Jordan SA (1984) Consolidation properties and stress history of some deep sea sediments. In: Denness B. (Ed.), Seabed Mechanics, Proceedings IUTAM and IUGG symposium. pp 25–40
Silva AJ, Brandes HG, and Veyera GE (1996) Geotechnical characterization of sediments in Eckernförde Bay. Geo-Marine Letters 16:167–174
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Brandes, H.G., Silva, A.J., Ag, A. et al. Consolidation and permeability characteristics of high-porosity surficial sediments in Eckernförde Bay. Geo-Marine Letters 16, 175–181 (1996). https://doi.org/10.1007/BF01204506
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DOI: https://doi.org/10.1007/BF01204506