Abstract
Recycled glass fiber reinforced concrete column (RGFRCC) can not only realize the green recycling of glass fiber plastics wastes, but also compensate for the inadequate tensile properties of concrete. To investigate the mechanical properties of the RGFRCC, 16 prismatic specimens are subjected to uniaxial compression test. The influences of unit water consumption, sand rate, recycled glass fiber content and water-cement ratio on the mechanical properties of the RGFRCC are analyzed. The results indicate that with an increase in recycled glass fiber content, the peak strain of RGFRCCs increases, while the elastic modulus and Poisson’s ratio gradually decrease. Moreover, the peak stress of the specimens is enhanced as the sand rate increases or the water-cement ratio decreases. Finally, based on the experimental study, the influences of unit water consumption, sand rate, recycled glass fiber content and water-cement ratio on the compressive behavior of the RGFRCC are considered, the formulas for calculating the mechanical properties of the RGFRCC are suggested, then the stress-strain relationship model is constructed.
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