Concrete use in construction sector getting demand due to its availability, cheap rate handling malleability, flexibility and the process of development country. As the concrete is widely used in the construction practice, the time for the construction to competition was also a crucial argument. Thus, with the addition of calcium nitrate (Hardening Accelerator), this study attempts to explore the effect of silica fumes on early concrete stage. This research assessed multiple tests which are slump test, compressive strength test, flexural strength test and ultrasonic pulse velocity. The concrete mix proportioning of silica fumes in the percentage of 0%, 5%, 10%, and 15% of replacement with cement. Each specimen was being cured in water and tested according to its testing age (3 hours, 6 hours, 1 days, 7 days and 14 days). The synergistic interaction between silica fumes and calcium nitrate (hardening accelerator) was analysed to be used in the concrete. Thus, with the enhanced silica fumes content, the compressive strength and the flexural strength of the concrete was improved.
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26 December 2017
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Technology, smart cities, digital construction, industrial revolution 4.0, wellbeing & social resilience, economic resilience, environmental resilience
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Abas*, N. F., Hui, K. T. C., & Frederick, J. (2017). Analysis Of Strength Characteristics Of Concrete With Silica Fumes And Calcium Nitrate. In P. A. J. Wahid, P. I. D. A. Aziz Abdul Samad, P. D. S. Sheikh Ahmad, & A. P. D. P. Pujinda (Eds.), Carving The Future Built Environment: Environmental, Economic And Social Resilience, vol 2. European Proceedings of Multidisciplinary Sciences (pp. 623-630). Future Academy. https://doi.org/10.15405/epms.2019.12.62