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Log–Log Method of Pre-consolidation/Yield Stress Determination: An Appraisal

Prakash, K. / Sridharan, A.

Abstract Pre-consolidation stress is a maximum consolidation stress to which the soil mass has been subjected in the past. Many methods are available to determine the value of pre-consolidation stress of an over consolidated soil mass in the field from the laboratory one dimensional consolidation test data. These methods, except the log–log method, have their own in-built limitations and their results are not validated. In the present work, the results from the log–log method have been validated with the actual values of pre-consolidation stress of the soil mass. It has also been shown through a comparative study that the log–log method is user friendly and that it yields conservative values of pre-consolidation stress for undisturbed soils as well as for compacted soils.

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Log–Log Method of Pre-consolidation/Yield Stress Determination: An Appraisal

Prakash, K. / Sridharan, A.

Abstract Pre-consolidation stress is a maximum consolidation stress to which the soil mass has been subjected in the past. Many methods are available to determine the value of pre-consolidation stress of an over consolidated soil mass in the field from the laboratory one dimensional consolidation test data. These methods, except the log–log method, have their own in-built limitations and their results are not validated. In the present work, the results from the log–log method have been validated with the actual values of pre-consolidation stress of the soil mass. It has also been shown through a comparative study that the log–log method is user friendly and that it yields conservative values of pre-consolidation stress for undisturbed soils as well as for compacted soils.

Log–Log Method of Pre-consolidation/Yield Stress Determination: An Appraisal

Prakash, K. / Sridharan, A.

Abstract Pre-consolidation stress is a maximum consolidation stress to which the soil mass has been subjected in the past. Many methods are available to determine the value of pre-consolidation stress of an over consolidated soil mass in the field from the laboratory one dimensional consolidation test data. These methods, except the log–log method, have their own in-built limitations and their results are not validated. In the present work, the results from the log–log method have been validated with the actual values of pre-consolidation stress of the soil mass. It has also been shown through a comparative study that the log–log method is user friendly and that it yields conservative values of pre-consolidation stress for undisturbed soils as well as for compacted soils.

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Title:

Log–Log Method of Pre-consolidation/Yield Stress Determination: An Appraisal

Contributors:

Prakash, K. (author) / Sridharan, A. (author)

Published in:

Geotechnical and Geological Engineering ; 38

Publication date:

2019

ISSN:

DOI:

https://doi.org/10.1007/s10706-019-01030-9

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Consolidation characteristics , Pre-consolidation stress , Yield stress , Compacted soils , Settlement , Undisturbed soils

Classification:

BKL: 38.58 Geomechanik / 57.00 Bergbau: Allgemeines / 56.20 Ingenieurgeologie, Bodenmechanik
Local classification TIB: 275/3750

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