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Tsinghua University
Coral aggregates can replace natural aggregates in marine construction, substantially reducing construction costs and shortening construction period. This paper investigates the compression behavior of coral aggregate concrete (CAC) under uniaxial and triaxial loading, wherein lightweight aggregate concrete (LAC) and normal aggregate concrete (NAC) are used for comparison. The investigated variables include concrete type, concrete strength, lateral pressure and principal stress ratios. The results indicated that the compression behaviors of CAC were different from those of NAC but similar to those of LAC because coral aggregates are more porous and have lower strength than normal aggregates. Based on the test results from this paper and literature studies, constitutive models were suggested for CAC under uniaxial and conventional triaxial compression. Moreover, a failure criterion for LAC proposed in the literature was deemed applicable to CAC under active or passive confinement. The suggested models correlated well with the test results.
Wen Zhou, Peng Feng, Hongwei Lin (2020). Constitutive relations of coral aggregate concrete under uniaxial and triaxial compression. Construction and Building Materials, 251, pp. 118957-118957, DOI: 10.1016/j.conbuildmat.2020.118957.
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Type
Article
Year
2020
Authors
3
Datasets
0
Total Files
0
Language
English
Journal
Construction and Building Materials
DOI
10.1016/j.conbuildmat.2020.118957
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