Discrete element modelling of the mechanical behaviour of a highly porous foamed concrete
Date
2017
Authors
Nguyen, T.
Bui, H.
Ngo, T.
Nguyen, G.
Editors
Vandamme, M.
Dangla, P.
Pereira, J.
Ghabezloo, S.
Dangla, P.
Pereira, J.
Ghabezloo, S.
Advisors
Journal Title
Journal ISSN
Volume Title
Type:
Conference paper
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
Statement of Responsibility
Thang T. Nguyen, Ha H. Bui, Tuan D. Ngo, and Giang D. Nguyen
Conference Name
6th Biot Conference on Poromechanics (9 Jul 2017 - 13 Jul 2017 : Paris, FRANCE)
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.
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Dissertation Note
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Copyright © 2017 by the American Society of Civil Engineers. All Rights Reserved.