Discrete element modelling approach to assessment of granular properties in concrete |
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Authors: | Piet Stroeven Huan He and Martijn Stroeven |
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Institution: | (1) Department of Civil Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, Hong Kong SAR, China |
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Abstract: | This paper presents the technological relevance of a concurrent algorithm-based discrete element modelling (DEM) system, HADES.
This new system is the successor of SPACE that is limited to spherical grains only. It can realistically simulate the packing
of arbitrary-shaped particles up to the fully compacted state. Generation of families of such particles, i.e., generally representing
aggregate of fluvial origin and crushed rock, respectively, and the forming way of particulate structure are described. Similarly
shaped particles are proposed for simulation of cement paste because of conformity with experimental results obtained by the
X-ray tomography method. Technologically relevant territories inside and outside concrete technology are presently explored
in this efficient, reliable, and economic way. Some results obtained by this DEM approach are presented. |
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