Research on Tensile Property and Manufacture of SHCC

Abstract:

Based on the previous test, SHCC (Strain Hardening Cementitious Composite) with the best fluidity was got through flow test, the different stress-strain full curves of SHCC were obtained by uniaxial tensile test on three dumbbell-shape specimens of SHCC with each group according to different diameter sand and different ages; and crack development was observed during test. The experimental results show that: The finer the sand sizes, the better the strain-hardening performance and more microcrack of SHCC that can be obtained; obvious strain-hardening characteristics of the specimens at different ages are all occured and the ultimate tensile strain can reach or even more than 3%. The crack spacing of various specimens are different, that is to say, there is difference in cracking characteristics among specimens at different ages. The experimental and analytical conclusion can provide a lot of theoretical bases for the research on performances of SHCC.

• Periodical: Applied Mechanics and Materials (Volumes 256-259)
• Pages: 796-800
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.256-259.796
• Online since: December 2012
• Authors: Chun Hong Hu, Yan E Gao, Wan Cong Ding
• Keywords: Age, Manufacture, Microcracking, SHCC, Stress-Strain Curve

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