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Aspects on the modelling of smear zones around vertical drains
Tyréns AB.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.ORCID iD: 0000-0001-9615-4861
2013 (English)In: Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013, 2013, 2965-2968 p.Conference paper, Published paper (Refereed)
Abstract [en]

The analytical design of vertical drains in soft clay requires knowledge of the coefficient of consolidation and also of the disturbance effects induced during the installation of the drains. Several analytical models describing the disturbance effects in different ways are proposed in the literature. The earliest and simplest models describe the disturbance effect in terms of concentric cylinders around a drain where a reduced and constant permeability is assumed, while more recent models attempt to describe the disturbance more realistically via more complex mathematical formulations. Although these new models describe the real in situ behaviour more realistically than the early ones, they may not always be suitable for practical use as many of the required variables are difficult to assess by standard investigation methods. This study investigates and discusses the difference between some of the available models and evaluates the influences on the results of the variables incorporated in the models.

Place, publisher, year, edition, pages
2013. 2965-2968 p.
Keyword [en]
Vertical Drains, Design, Modelling
National Category
Geotechnical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-122889OAI: oai:DiVA.org:kth-122889DiVA: diva2:623881
Conference
International Conference on Soil Mechanics and Geotechnical Engineering, Paris, 2-6 September 2013
Note

QC 20140626

Available from: 2013-05-29 Created: 2013-05-29 Last updated: 2014-06-26Bibliographically approved
In thesis
1. Probabilistic stability analysis of embankments founded on clay
Open this publication in new window or tab >>Probabilistic stability analysis of embankments founded on clay
2013 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2013. xviii, 74 p.
Series
Trita-JOB PHD, ISSN 1650-9501 ; 1018
National Category
Earth and Related Environmental Sciences
Identifiers
urn:nbn:se:kth:diva-122886 (URN)
Public defence
2013-06-04, Sal B1, Brinellvägen 23, Brinellvägen 23, KTH, Stockholm, 13:00 (English)
Opponent
Supervisors
Note

QC 20130529

Available from: 2013-05-29 Created: 2013-05-29 Last updated: 2013-05-29Bibliographically approved

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Larsson, Stefan

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