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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2011, Vol. 12 Issue (5): 335-344    DOI: 10.1631/jzus.A1000223
Civil Engeering     
Discrete element modelling approach to assessment of granular properties in concrete
Piet Stroeven, Huan He, Martijn Stroeven
Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN Delft, the Netherlands; Faculty of Applied Sciences, University of Liege, Chemin des Chevreuils, 1, 4000 Liège, Belgium
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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.

Key words： Cementitious materials      Granular properties      Concurrent algorithm      Discrete element modelling (DEM)      Shape      Particles     
Received: 11 May 2010      Published: 09 May 2011
CLC:  TU528  
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Piet Stroeven
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Piet Stroeven, Huan He, Martijn Stroeven. Discrete element modelling approach to assessment of granular properties in concrete. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2011, 12(5): 335-344.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1000223     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2011/V12/I5/335

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