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Characteristics Comparison on Mechanical Properties of Mortars using Agriculture Waste as a Cement Replacement Materials
Fadillawaty Saleh (a*), Hakas Prayuda (a), Fanny Monika (a), and Martyana Dwi Cahyati (a,b)

(a) Department of Civil Engineering, Faculty of Engineering, Universitas Muhammadiyah Yogyakarta.
Jl. Lingkar Selatan, Tamantirto, Kasihan, Bantul, Yogyakarta, Indonesia, 55183
Email: dilla_vu[at]yahoo.com

(b) Ph.D Student in Department of Civil Engineering, National Central University.
Jongli City, Taoyuan County, Taiwan, 32001.


Abstract

Excessive use of cement makes the price of construction projects expensive. Mortar making using high amounts of cement also has the potential to increase the price of the construction. This study discusses the use of agricultural waste as a substitute for cement in mortar production. The waste used in this study was bagasse ash, fuel ash palm oil, and rice husk ash. Each waste is added as much as 25%, 50% and 75% which are then tested for mechanical properties such as water content, unit weight, absorption, and IRS. Compressive strength was tested when the mortar was 28 days old with a cube-shaped specimen with a size of 50 mm x 50 mm x 50 mm. From the test results, it was found that all of this waste can be used as a substitute for cement. To produce a compressive strength of 100 kg/cm2 can add each waste with a percentage range of 12-18% of the weight of cement.

Keywords: Mortar, Baggase Ash, Fuel Palm Oil Ash, Rice Husk Ash

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

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

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

Plain Format | Corresponding Author (Hakas Prayuda)

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