Particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression

Quasi-static and dynamic compression tests are conducted on carbonate sand using a Material Testing System and a modified split Hopkinson pressure bar, respectively. The particle size distributions (PSDs) of carbonate sand before and after loading are measured via laser diffractometry. The stress–st...

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Main Authors: Xiao, Yang, Yuan, Zhengxin, Chu, Jian, Liu, Hanlong, Huang, Junyu, Luo, Shengnian, Wang, Shun, Lin, Jia
Other Authors: School of Civil and Environmental Engineering
Format: Article
Language:English
Published: 2021
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Online Access:https://hdl.handle.net/10356/151120
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1511202021-06-11T07:29:45Z Particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression Xiao, Yang Yuan, Zhengxin Chu, Jian Liu, Hanlong Huang, Junyu Luo, Shengnian Wang, Shun Lin, Jia School of Civil and Environmental Engineering Engineering::Civil engineering Carbonate Sand Dynamic Response Quasi-static and dynamic compression tests are conducted on carbonate sand using a Material Testing System and a modified split Hopkinson pressure bar, respectively. The particle size distributions (PSDs) of carbonate sand before and after loading are measured via laser diffractometry. The stress–strain curves demonstrate that the carbonate sand investigated in this study exhibits strain rate effects. The stress–strain curves show slightly different features for quasi-static and dynamic loading conditions. The particle breakage extent, which is quantified from the PSDs of the samples before and after loading, is investigated at different stress levels and input energy values. The breakage efficiency under the quasi-static loading condition is higher than that under the dynamic loading condition. As a result, the particle breakage extent is higher under the quasi-static loading condition than under the dynamic loading condition at the same stress level. Furthermore, the particle breakage modes are highly dependent on stress. The breakage modes under the dynamic loading condition change from attrition and abrasion at low stress levels, resulting in the appearance of plateaus in the grading curves, to fracture at high stress levels, resulting in the disappearance of plateaus in the grading curves. The authors would like to acknowledge the financial support from the 111 Project (Grant No. B13024), the National Natural Science Foundation of China (Grant Nos. 51678094, 51509024, 51578096), the Special Financial Grant from the China Postdoctoral Science Foundation (Grant No. 2017T100681), and the project funded by the China Postdoctoral Science Foundation (Grant No. 2016M590864) 2021-06-11T07:29:45Z 2021-06-11T07:29:45Z 2019 Journal Article Xiao, Y., Yuan, Z., Chu, J., Liu, H., Huang, J., Luo, S., Wang, S. & Lin, J. (2019). Particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression. Acta Geotechnica, 14(6), 1741-1755. https://dx.doi.org/10.1007/s11440-019-00790-1 1861-1125 https://hdl.handle.net/10356/151120 10.1007/s11440-019-00790-1 2-s2.0-85064241537 6 14 1741 1755 en Acta Geotechnica © 2019 Springer-Verlag GmbH Germany, part of Springer Nature. All rights reserved.
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering::Civil engineering
Carbonate Sand
Dynamic Response
spellingShingle Engineering::Civil engineering
Carbonate Sand
Dynamic Response
Xiao, Yang
Yuan, Zhengxin
Chu, Jian
Liu, Hanlong
Huang, Junyu
Luo, Shengnian
Wang, Shun
Lin, Jia
Particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression
description Quasi-static and dynamic compression tests are conducted on carbonate sand using a Material Testing System and a modified split Hopkinson pressure bar, respectively. The particle size distributions (PSDs) of carbonate sand before and after loading are measured via laser diffractometry. The stress–strain curves demonstrate that the carbonate sand investigated in this study exhibits strain rate effects. The stress–strain curves show slightly different features for quasi-static and dynamic loading conditions. The particle breakage extent, which is quantified from the PSDs of the samples before and after loading, is investigated at different stress levels and input energy values. The breakage efficiency under the quasi-static loading condition is higher than that under the dynamic loading condition. As a result, the particle breakage extent is higher under the quasi-static loading condition than under the dynamic loading condition at the same stress level. Furthermore, the particle breakage modes are highly dependent on stress. The breakage modes under the dynamic loading condition change from attrition and abrasion at low stress levels, resulting in the appearance of plateaus in the grading curves, to fracture at high stress levels, resulting in the disappearance of plateaus in the grading curves.
author2 School of Civil and Environmental Engineering
author_facet School of Civil and Environmental Engineering
Xiao, Yang
Yuan, Zhengxin
Chu, Jian
Liu, Hanlong
Huang, Junyu
Luo, Shengnian
Wang, Shun
Lin, Jia
format Article
author Xiao, Yang
Yuan, Zhengxin
Chu, Jian
Liu, Hanlong
Huang, Junyu
Luo, Shengnian
Wang, Shun
Lin, Jia
author_sort Xiao, Yang
title Particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression
title_short Particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression
title_full Particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression
title_fullStr Particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression
title_full_unstemmed Particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression
title_sort particle breakage and energy dissipation of carbonate sands under quasi-static and dynamic compression
publishDate 2021
url https://hdl.handle.net/10356/151120
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