Based on the research results (Mehikawati, 2010) Bayat land, Klaten has a value of w = 87.5%, Gs = 2.625, LL = 77.25%, PL = 50%, SL = 16.026%, PI = 27.25% distribution of granules are: gravel = 0%, sand = 26.67%, clay = 73.33%. is a clay soil (MH or OH) and belongs to groups A-7-5 (25) which means including clay soil with medium to high plasticity, it is necessary to refine. In this study, the …