Discrete element modelling approach to assessment of granular properties in concrete

作者：Stroeven Piet; He Huan^*; Stroeven Martijn

来源：Journal of Zhejiang University-Science A(Applied Physics & Engineering), 2011, 12(5): 335-344.

DOI：10.1631/jzus.A1000223

• Cementitious materials
• Granular properties
• Concurrent algorithm
• Discrete element modelling (DEM)
• Shape
• Particles

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.

• 出版日期2011-5