Study of the influence of particle breakage on compression properties for carbonate sand

A series of one-dimensional compression tests up to 60 MPa were conducted to study the compression behavior and particle breakage for carbonate sand and quartz sand in different locations. The results show that at high stress, particle breakage is the main factor of compression, and the carbonate sa...

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Bibliographic Details
Published in:Bulletin of engineering geology and the environment 2022-03, Vol.81 (3), Article 89
Main Authors: Zhu, XinYue, Li, Sa, Li, YanBin, Li, TingTing, Yin, JiangSong
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Foundations
Geoecology/Natural Processes
Geoengineering
Geotechnical Engineering & Applied Earth Sciences
Hydraulics
Nature Conservation
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Summary:A series of one-dimensional compression tests up to 60 MPa were conducted to study the compression behavior and particle breakage for carbonate sand and quartz sand in different locations. The results show that at high stress, particle breakage is the main factor of compression, and the carbonate sand from South China Sea is the most compressible and easily crushed for its angular particle shape, smaller single particle strength, and higher calcium carbonate content. A relationship between applied stress and plastic work considering particle breakage was established by taking Hardin’s relative breakage index B r as an intermediate variable, and a compression model is developed which could describe the compression deformation caused by crushing. At the same time, the proposed model is also applicable to the whole compression process, and it could well describe the results of test in this paper and in previous studies.
ISSN:1435-9529
1435-9537
DOI:10.1007/s10064-022-02579-1