ArticleMaterials (Basel, Switzerland)2022
Failure Criteria and Constitutive Relationship of Lightweight Aggregate Concrete under Triaxial Compression.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Study on the Axial Compressive Behavior and Constitutive Relationship of Lightweight Mixed Ceramic Concrete.Materials (Basel, Switzerland) · 2025Article
- Determination of Shear Strength Parameters of Concrete Materials Based on the Rectangular Section Splitting Method.Materials (Basel, Switzerland) · 2024Article
- Experimental Study on Triaxial Compressive Mechanical Properties of Polypropylene Fiber Coral Seawater Concrete.Materials (Basel, Switzerland) · 2022Article
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Authors and funding
5 authors.
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Abstract
This paper investigates the compression behavior and failure criteria of lightweight aggregate concrete (LAC) under triaxial loading. A total of 156 specimens were tested for three parameters: concrete strength, lateral confining pressure and aggregate immersion time, and their effects on the failure mode of LAC and the triaxial stress-strain relationship of LAC is studied. The research indicated that, as the lateral constraint of the specimen increases, the failure patterns change from vertical splitting failure to oblique shearing failure and then to indistinct traces of damage. The stress-strain curve of LAC specimens has an obvious stress plateau, and the curve no longer appears downward when the confining pressure exceeds 12 MPa. According to the experimental phenomenon and test data, the failure criterion was examined on the Mohr-Coulomb theory, octahedral shear stress theory and Rendulic plane stress theory, which well reflects the behavior of LAC under triaxial compression. For the convenience of analysis and application, the stress-strain constitutive models of LAC under triaxial compression are recommended, and these models correlate well with the test results.
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