Journal
APPLIED SCIENCES-BASEL
Volume 8, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/app8020151
Keywords
composite; ductility; fiber; limestone powder; micromechanical analysis
Categories
Funding
- National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2016R1A2B4011810]
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This paper presents the results of an experimental study on the effect of limestone powder on the compressive strength, tensile behavior, and micromechanical parameters of a highly ductile cement composite incorporating limestone powder. Four mixtures were determined according to the replacement ratio of cement with limestone powder. A series of experiments including compressive strength, uniaxial tension, single fiber pullout, and matrix toughness tests were performed. Test results showed that the strength (compressive, initial cracking, and tensile strength) decreased, and that the tensile strain capacity increased, with an increase of the replacement ratio of cement with limestone powder. Micromechanical tests and analysis supported the uniaxial tension test result.
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