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Experimental Study on Full Stress-Strain Curve of SFRC in Axial Tension
The tests were carried out to study the effects of the fraction of steel fiber by volume and the thickness of cement paste wrapping steel fibers on the axial tensile properties of steel fiber reinforced concrete (SFRC). The strength grade of SFRC was CF40 with the fraction of steel fiber by volume varying from 0.5% to 2.0%, and the thickness of cement paste wrapping steel fibers varying from 0.8 mm to 1.2 mm. The tests were conducted by WAW-600 electric-hydraulic servo-type test machine. The results show that the axial tensile properties such as the axial tensile strength, the fullness of stress-strain curve, the tensile energy and the axial tensile toughness ratio are all improved obviously by the adding of steel fiber in concrete. The reasonable thickness of cement paste wrapping steel fibers is 1.0 mm. The formulas for stress-strain relationship of SFRC in axial tension are proposed.
Experimental Study on Full Stress-Strain Curve of SFRC in Axial Tension
The tests were carried out to study the effects of the fraction of steel fiber by volume and the thickness of cement paste wrapping steel fibers on the axial tensile properties of steel fiber reinforced concrete (SFRC). The strength grade of SFRC was CF40 with the fraction of steel fiber by volume varying from 0.5% to 2.0%, and the thickness of cement paste wrapping steel fibers varying from 0.8 mm to 1.2 mm. The tests were conducted by WAW-600 electric-hydraulic servo-type test machine. The results show that the axial tensile properties such as the axial tensile strength, the fullness of stress-strain curve, the tensile energy and the axial tensile toughness ratio are all improved obviously by the adding of steel fiber in concrete. The reasonable thickness of cement paste wrapping steel fibers is 1.0 mm. The formulas for stress-strain relationship of SFRC in axial tension are proposed.
Experimental Study on Full Stress-Strain Curve of SFRC in Axial Tension
Huo, Hong-Yuan (author) / Cao, Chen-Jie (author) / Sun, Li (author) / Song, Li-Sha (author) / Xing, Tong (author)
2012
5 Seiten
Conference paper
English
Experimental Study on Full Stress-Strain Curve of SFRC in Axial Tension
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