A REVIEW OF DEM-BASED SIMULATION OF FRESH CONCRETE FLOW
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Title A REVIEW OF DEM-BASED SIMULATION OF FRESH CONCRETE FLOW
Creator Liwei Heng, Yan Zhuge, MD. Mizanur Rahman, Xing Ma
Contributor Jim Shiau, Vanissorn Vimonsatit, Siamak Yazdani, Amarjit Singh
Publisher ISEC PRESS
Publication Year 2561
Keyword District element method, Rheology, Single-Phase Element Model, Separate Single-Phase Element Mode
Abstract Recently, there has been growing research interest in simulation on the flow behaviors of fresh concrete, because these properties have significant effects on construction quality of casting and forming process, and also the properties of hardened concrete. The behaviors of fresh concrete are usually described by workability, consistency, flowability, mobility, pumpability, shootability, compactibility, and finishability. While various numerical simulations for concrete flow are available, District Element Method (DEM) has been applied widely due to its unique advantages of both macro and micro analysis i.e. the flow of the concrete mixture as a whole and particulate behavior of individual constituents in a mixture. This paper first presents a brief overview on the rheological models of fresh concrete, followed by a detailed review on simulating the fresh concrete flow using the DEM method. Moreover, recommendations for future work and directions will be provided.
ISBN 978-0-9960437-7-9
Language English
URL Website https://www.isec-society.org/
Website title ISEC Society
International Struct Eng and Constructn Society

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