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An optimisation strategy for evaluating modified Cam clay parameters using self-boring pressuremeter test data

An optimisation strategy for evaluating modified Cam clay parameters using self-boring pressuremeter test data
An optimisation strategy for evaluating modified Cam clay parameters using self-boring pressuremeter test data
This paper presents an efficient, practical and automated strategy for deriving Modified Cam Clay parameters from undrained self-boring pressuremeter (SBPM) data. A mixed approach involving a parametric sweep and numerical optimisation is used, with a focus on parameter groups that dominate the Modified Cam Clay response in undrained cavity expansion. The proposed technique is illustrated using data from SBPM tests carried out in soft estuarine clay. The resulting parameters are used to back analyse large scale foundation load tests and are shown to provide an excellent match to the measured foundation response.
0008-3674
1668-1679
Gaone, F.M.
1e7ac06b-e536-4eb8-91b4-4cbbb132a082
Doherty, James
f4a028c7-1670-424f-bd5a-4dd659faf605
Gourvenec, Susan
6ff91ad8-1a91-42fe-a3f4-1b5d6f5ce0b8
Gaone, F.M.
1e7ac06b-e536-4eb8-91b4-4cbbb132a082
Doherty, James
f4a028c7-1670-424f-bd5a-4dd659faf605
Gourvenec, Susan
6ff91ad8-1a91-42fe-a3f4-1b5d6f5ce0b8

Gaone, F.M., Doherty, James and Gourvenec, Susan (2018) An optimisation strategy for evaluating modified Cam clay parameters using self-boring pressuremeter test data. Canadian Geotechnical Journal, 56 (11), 1668-1679. (doi:10.1139/cgj-2018-0385).

Record type: Article

Abstract

This paper presents an efficient, practical and automated strategy for deriving Modified Cam Clay parameters from undrained self-boring pressuremeter (SBPM) data. A mixed approach involving a parametric sweep and numerical optimisation is used, with a focus on parameter groups that dominate the Modified Cam Clay response in undrained cavity expansion. The proposed technique is illustrated using data from SBPM tests carried out in soft estuarine clay. The resulting parameters are used to back analyse large scale foundation load tests and are shown to provide an excellent match to the measured foundation response.

Text
2018_Canadian Geotechnical Journal_Gaone et al_Optimisation PM strategy - Accepted Manuscript
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More information

Accepted/In Press date: 4 October 2018
e-pub ahead of print date: 5 December 2018

Identifiers

Local EPrints ID: 425950
URI: http://eprints.soton.ac.uk/id/eprint/425950
ISSN: 0008-3674
PURE UUID: 344501d7-b2fb-4b2c-9eec-f33e55fb5179
ORCID for Susan Gourvenec: ORCID iD orcid.org/0000-0002-2628-7914

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Date deposited: 07 Nov 2018 17:30
Last modified: 07 Oct 2020 05:37

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