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|Title:||Discrete element modelling of the mechanical behaviour of a highly porous foamed concrete|
|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|
|Conference Name:||6th Biot Conference on Poromechanics (09 Jul 2017 - 13 Jul 2017 : Paris, FRANCE)|
|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.|
|Appears in Collections:||Civil and Environmental Engineering publications|
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