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Discrete element model study into effects of particle shape on backfill response to cyclic loading behind an integral bridge abutment

Ravjee, Sachin, Jacobsz, Schalk Willem, Wilke, Daniel Nicolas and Govender, Nicolin (2018) Discrete element model study into effects of particle shape on backfill response to cyclic loading behind an integral bridge abutment Granular Matter, 20 (68). pp. 1-14.

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Abstract

The discrete element method, implemented in a modular GPU based framework that supports polyhedral shaped particles (Blaze-DEM), was used to investigate effects of particle shape on backfill response behind integral bridge abutments during temperature-induced displacement cycles. The rate and magnitude of horizontal stress build-up were found to be strongly related to particle sphericity. The stress build-up in particles of high sphericity was gradual and related to densification extending relatively far from the abutment. With increasing angularities, densification was localised near the abutment, but larger and more rapid stress build-up occurred, supported by particle reorientation and interlock developing further away.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
NameEmailORCID
Ravjee, Sachin
Jacobsz, Schalk Willem
Wilke, Daniel Nicolas
Govender, Nicolinn.govender@surrey.ac.uk
Date : 2018
DOI : 10.1007/s10035-018-0840-z
Copyright Disclaimer : © Springer-Verlag GmbH Germany, part of Springer Nature 2018
Uncontrolled Keywords : Discrete element method (DEM); Integral bridge abutments; Particle shape; Sphericity
Depositing User : Clive Harris
Date Deposited : 14 Sep 2018 12:49
Last Modified : 14 Sep 2018 12:49
URI: http://epubs.surrey.ac.uk/id/eprint/849295

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