Properties of Fibre-Reinforced High-Strength Concrete with Nano-Silica and Silica Fume

Properties of Fibre-Reinforced High-Strength Concrete with Nano-Silica and Silica Fume

Blog Article

This study intends to assess the influence of steel fibres (SF) and polypropylene fibres (PPF) on the hardened and fresh Ice Crusher state properties of high-strength concrete (HSC).For this purpose, 99 concrete mixes were designed and applied.SF and PPF were used at six-volume replacement contents of 0%, 0.1%, 0.

2%, 0.3%, 0.4% and 0.5%.

Moreover, nano-silica (NS) was used at three contents, 0%, 1% and 2%, and silica fume powder (SP) was also used at three weight ratios (0%, 5% and 10%).The slump, compressive and tensile strength, elasticity modulus, water absorption and the electric resistivity of concrete specimens were examined.The results showed that using 1% NS and 10% SP together with 0.5% PPF improved the compressive strength of HSC by about 123%; however, the effect of SF on Me Accessories tensile strength is more significant and adding 0.

5% SF with both 2% NS and 10% SP increased the tensile strength by 104%.Moreover, increasing the SF content reduces the electric resistivity while using PPF improves this property especially when 1% NS was employed, and it was enhanced by about 68% when 0.5% SF and 1% NS were utilized with 10% SP.