Biaxial flexural strength of concrete by two different methods
- Authors
- Kim, Jihwan; Yi, Chongku; Zi, Goangseup
- Issue Date
- 12월-2012
- Publisher
- ICE PUBLISHING
- Citation
- MAGAZINE OF CONCRETE RESEARCH, v.64, no.12, pp.1057 - 1065
- Indexed
- SCIE
SCOPUS
- Journal Title
- MAGAZINE OF CONCRETE RESEARCH
- Volume
- 64
- Number
- 12
- Start Page
- 1057
- End Page
- 1065
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/106895
- DOI
- 10.1680/macr.11.00178
- ISSN
- 0024-9831
- Abstract
- The biaxial flexural strength of a concrete panel can be evaluated by two different methods: the centrally loaded round panel test (ASTM C 1150) and the recently proposed biaxial flexure test (BFT). Twenty-six tests, with 13 specimens for each test method, were performed to verify the effect of the different test methods on the biaxial flexural strength of concrete. A finite-element analysis of the specimens of two test methods showed that the biaxial flexure test set-up allows a larger area with a uniform biaxial stress on the bottom surface around the centre of the specimen than the ASTM C 1550 set-up, indicating that the difference in the test results is attributable to the volume effects. The test results showed that the biaxial flexure test method gives a more reliable biaxial flexural strength with a 25% lower coefficient of variation than that from the ASTM C 1550.
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Collections - College of Engineering > School of Civil, Environmental and Architectural Engineering > 1. Journal Articles
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