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Type: Conference paper
Title: Discrete element modelling of the mechanical behaviour of a highly porous foamed concrete
Author: Nguyen, T.
Bui, H.
Ngo, T.
Nguyen, G.
Citation: Poromechanics 2017 - Proceedings of the 6th Biot Conference on Poromechanics, 2017 / Vandamme, M., Dangla, P., Pereira, J., Ghabezloo, S. (ed./s), pp.1380-1387
Publisher: American Society of Civil Engineers
Publisher Place: Online
Issue Date: 2017
ISBN: 9780784480779
Conference Name: 6th Biot Conference on Poromechanics (09 Jul 2017 - 13 Jul 2017 : Paris, FRANCE)
Statement of
Thang T. Nguyen, Ha H. Bui, Tuan D. Ngo, and Giang D. Nguyen
Abstract: The aim of this study is to numerically investigate the effect of air void structure on the mechanical behaviour of a highly porous foamed concrete using the discrete element method (DEM). In the DEM simulation, the foamed concrete, which features high porosity and a complicated internal structure, is represented by an assembly of spherical particles randomly generated in a given space predefined by a void matrix. To simulate the cementitious phase of the foamed concrete, a cohesive-frictional model with parameters calibrated from experiments is adopted. The numerical results obtained from the validated DEM model show that the air-void structure has a significant effect on the compressive strength and the fracture of the material.
Rights: Copyright © 2017 by the American Society of Civil Engineers. All Rights Reserved.
RMID: 0030074151
DOI: 10.1061/9780784480779.171
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Appears in Collections:Civil and Environmental Engineering publications

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