Experimental Test of Compressive Strength of Concrete by Using Wastewater Tofu

  • Muh. Sayfullah. S Universitas Muhammadiyah Buton
Keywords: Concrete, Compressive Strength, Tofu Water, Waste

Abstract

Tofu waste is one type of waste produced by many people in Indonesia because the type of tofu food is the easiest to get.  This study used tofu wastewater as a substitute for water and as a concrete treatment with certain changes in cement water components. Tofu water waste is waste that comes from wasted soybean treatment residues that cannot be consumed and the result of this tofu water waste is usually only disposed of.  The purpose in this  study is to determine the compressive strength value of concrete using tofu waste water and treatment using tofu wastewater.  In the implementation using laboratory experimental methods. From the results of  the compressive strength test showing the lower compressive strength  value  of concrete using wastewater tofu obtained a higher  compressive strength value compared to using normal water PDAM. The compressive strength  value  using tofu water  is  71.80 kg / cm² at the age of  7 days, 92.30 kg / cm² at the age of 7 days, 119.10 kg / cm² at the age of 7 days  28 days and  the  compressive strength value of  concrete using normal water PDAM Baubau City is  46.30 kg/cm² at  the age of  3 days, 59.20 kg/cm² at the age of 7 days and 88.00 kg/cm² at the age of 28  days.

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Published
2022-06-20
How to Cite
Sayfullah. S, M. (2022). Experimental Test of Compressive Strength of Concrete by Using Wastewater Tofu. SCEJ (Shell Civil Engineering Journal), 7(1), 22-28. https://doi.org/10.35326/scej.v7i1.2555