Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 197, Issue -, Pages 830-848Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2018.10.062
Keywords
Stone-based material; Stone inclusion; Stochastic model; Particle shape; Inverse discrete Fourier transform; Overlapping detection
Categories
Funding
- National Natural Science Foundation of China [51478481, 51809292]
- Postdoctoral Fund of Central South University [205455]
- Doctoral Fund of Central South University [1053320171269, 2017zzts200]
- Beijing Municipal Science and Technology Project: Research and Application of Design and Construction Technology of Railway Engineering Traveling the Rift Valley [Z181100003918005]
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This paper presents a systematic approach for generating a stochastic model with realistic stone-inclusion features for the numerical simulation of stone-based materials. Firstly, the inverse discrete Fourier transform method is employed to randomly generate realistic stones with predetermined particle shape features. Then, an overlapping detection algorithm is proposed to facilitate random and quick allocation of irregularly shaped stones, considering the stone contents, stone size distributions and stone orientations. Finally, several examples are provided to show that the proposed approach can generate stone-based materials with prescribed stone features in a rapid and precise manner. (C) 2018 Elsevier Ltd. All rights reserved.
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