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Tensile Mechanical Properties of Basalt Fabric Reinforced Cementitious Matrix Composite
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    Abstract:

    Tensile mechanical properties of two and three layers basalt fabric reinforced cementitious matrix composite(BFRCM) with different volume fractions (0,0.5%, 1.0% and 1.5%) short carbon,alkali-resistant glass and steel fiber, were tested utilizing a MTS loads frame . The experimental results show that an obvious increase in crack stress is observed in all case when short carbon, glass, steel fibers had been added, and volume fraction exists an optimal value. Within the range of 0~1.5% content, the crack stress increases, reaching a maximum at 1.5%, with increasing volume fraction for 2 layers BFRCM. For 3 layers BFRCM with short carbon or steel fibers, the crack stress firstly increases and then decreases with increasing volume fraction, but the crack stress increases, peaking at 1.5%, with increasing volume fraction for 3 layers BFRCM with short glass fibers. Short carbon and glass fibers cannot increase load-bearing capacity of BFRCM, but a pronounced increase in load-bearing capacity is observed with short steel fibers,reaching a maximum at 1.5% for 2 layers BFRCM and 0.5% for 3 layers.

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  • Online: September 20,2018
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