钢纤维混凝土中旗灰和粉煤灰的最佳掺量

Qingfang Zhang
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引用次数: 0

摘要

本试验研究采用强度等级为42.5的普通硅酸盐水泥,与矿渣、粉煤灰和减水剂混合配制C40钢纤维增强混凝土(SFRC)。通过观察不同钢纤维、矿渣和粉煤灰掺量对钢纤维增强混凝土抗压强度的影响,以混凝土的最大抗压强度确定合理的钢纤维掺量。因此,随着矿物浓度和砂比的变化,混凝土的抗压强度有规律地变化。此外,当强度达到最大值时,钢纤维的加入量基本不变,为1.4%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimal Amount of Flag and Fly Ash in Steel Fiber Reinforced Concrete
This experiment research adopts ordinary portland cement with the strength grade of 42.5, mixed it with slag, fly ash and water reducing agent to prepare C40 steel fiber reinforced concrete (SFRC). Via observing the compressive strength changes of steel fiber reinforced concrete when different amount of steel fiber, slag and fly ash were mixed, reasonable amount of steel fiber was determined with the maximum compressive strength of concrete. As a result, as concentrations of minerals and sand ratio changed, the compressive strength of concrete varied regularly. In addition, when the strength was maximum, the amount of steel fiber proved to be constant with the value of 1.4%.
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