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Fresh Properties and Compressive Strength of Self Compacting Concrete with Fines Aggregate Replacement using Red Brick Powder and Rice Husk Ash
Hakas Prayuda (a), Taufiq Ilham Maulana (a), Fadillawaty Saleh (a), and Fanny Monika (a)

(a) Department of Civil Engineering, Faculty of Engineering, Universitas Muhammadiyah Yogyakarta.
Tamantirto, Kasihan, Bantul, Yogyakarta, Indonesia, 55183.
Email: hakasprayuda[at]umy.ac.id


Abstract

This study discusses the results of fresh properties and compressive strength of self-compacting concrete using ingredients added Red Brick powder as a fine aggregate substitute. The results of the study were compared with the properties of fresh properties and compressive strength with ingredients added by rice husk ash which is also a fine aggregate substitute. In addition, it was also examined the initial compressive strength of each of these variations in order to accelerate the completion time of construction projects using self-compacting concrete. Fresh properties testing is carried out in the form of V-Funnel, Flow Table, J-Ring and L-Box where all specimens produce quite varied flow rates. Compressive strength was carried out at ages 3, 7 14 and 28 days with cylindrical specimens with a diameter of 150 mm and a height of 300 mm. the variation of fine aggregate substitutes used is 20%, 40%, and 60%. From the results of the compressive strength, it can be concluded that the added material is categorized as self-compacting concrete with high initial compressive strength, while at 28 days the compressive strength test results are categorized as high strength self-compacting concrete.

Keywords: Self Compacting Concrete, Fresh Properties, Rice Husk Ash, Red Brick

Topic: International Symposium of Civil, Environmental, and Infrastructure Engineering

Link: https://ifory.id/abstract/ygae7Vn9bWwG

Conference: The 3rd International Conference on Sustainability and Innovation (ICoSI 2019)

Plain Format | Corresponding Author (Hakas Prayuda)

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