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Title: Characterization of sand convective motions at a vertical wall subjected to long-term cyclic loading
Authors: Guan, Dawei
Li, Jialong
Chiew, Yee-Meng
Zhang, Jisheng
Keywords: Engineering::Civil engineering
Issue Date: 2022
Source: Guan, D., Li, J., Chiew, Y. & Zhang, J. (2022). Characterization of sand convective motions at a vertical wall subjected to long-term cyclic loading. Fundamental Research.
Journal: Fundamental Research
Abstract: By conducting a two-dimensional experimental study, this paper aims to enhance the understanding of the mechanism of sand convective motions in the vicinity of a wall subjected to long-term cyclic lateral loadings. The experimental tests were conducted in a rectangular sandbox with a transparent front-wall, through which the process of sand particle motions could be recorded by using a high-resolution digital camera. The images were processed with a high time-resolved PIV (Particle Image Velocimetry) system. Based on the experimental data, this work (1) presents the sand flow field in the convective zones; (2) provides means to describe the convection mechanism; (3) proposes the relationships between the loading conditions and dimensions of the region with intense sand movement; and (4) elaborates the similarity of the sand flow velocity structure within the sand convective zones.
ISSN: 2096-9457
DOI: 10.1016/j.fmre.2022.04.015
Schools: School of Civil and Environmental Engineering 
Rights: © 2022 The Authors. Publishing Services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY-NC-ND license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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