期刊
ADVANCED COMPOSITE MATERIALS
卷 21, 期 4, 页码 283-298出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09243046.2012.736345
关键词
fiber reinforced cementitious composites (FRCC); steel fiber; carbon fiber; hybrid FRCC; crack model; tensile strength
资金
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2012R1A1A2A04667943]
An experimental study to investigate nonlinear material behavior in tension of steel-carbon hybrid fiber reinforced cementitious composites (FRCC) was performed. In the tests, tensile strength, toughness index, and fracture properties, including fracture energy and crack opening or elongation, were measured. Based on the test results, a fictitious crack model for steel-carbon hybrid FRCC was developed. The proposed crack model was verified by comparing its predictions with the test results. Acceptable accuracy in simulating the tensile behavior of steel-carbon hybrid FRCC was obtained. For convenience in design and structure analysis, simplified equations to predict tensile strength and fracture energy in hybrid FRCC were developed.
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