Geology and geotechnical characteristics of sediments in east bay area, Mississippi delta

Helwick, Sterling J.; Bryant, William R.

doi:10.1080/10641197709379777

Cited by 3 publications

(3 citation statements)

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“…A comparison with conventional theory [32] has shown that conventional theory will seriously underestimate the effective stress profile at any given time, and thus the shear strength of the deposit. Furthermore, it is shown that nonlinear finite strain theory is a vehicle by which the geology of the submarine deposit can be reconstructed.…”

Section: Discussionmentioning

confidence: 98%

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The consolidation of soft marine sediments

Schiffman

1982

Geo-Marine Letters

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This paper outlines the governing relationships of nonlinear finite strain consolidation. A short review of current literature is presented. Nonlinear finite strain consolidation theory is applied to the analysis of the slow deposition of Gulf of Mexico Holocene sediments. It is shown that the conventional means of calculating rates of sediment accumulation are highly inaccurate. It is further shown that the state of effective stress and excess pore-water pressure, as calculated by nonlinear finite strain theory, is substantially different than when calculated by conventional Terzaghi-Frohtich theory.

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Section: Discussionmentioning

confidence: 98%

“…The data chosen for this analysis is compiled for the recent sediments deposited on the Outer Continental Shelf in the Mississippi Delta complex of the Gulf of Mexico [31,32]. These Holocene sediments are highly plastic silty clays with moderate compressibility.…”

Section: Sediment Accumulation By Slow Depositionmentioning

confidence: 99%

The consolidation of soft marine sediments

Schiffman

1982

Geo-Marine Letters

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“…Most values are greater than 35% and vary by as much as 69% at shallow depths. Separation of these data into groups shows that the liquid of sediments from boreholes in the lowshear-strength group are generally higher than is that of the other group at comparable depths (Helwick and Bryant, 1977). Plastic limits range from 18 to 34% (Figure 9).…”

Section: Distribution Of Geotechnical Propertiesmentioning

confidence: 97%