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Tire production in Indonesia, the number of which continues to increase from year to year with a large amount causes the availability of abundant rubber tire waste, this waste has not been widely used and has unravelable properties that can cause environmental pollution. Therefore in this study we will develop concrete innovations that are environmentally friendly. The purpose of this study was to determine the optimal value of concrete with aggregate of rubber tire waste from compressive strength, tensile strength, elastic modulus and density of rubber concrete. The research method is quantitative research with a true experimental approach in the laboratory. The results of the study included: Maximum compressive strength of rubber concrete was found in a variation of 5% with a strength of 19.42 MPa. Maximum split tensile strength of rubber concrete was found in a variation of 5% with a strength of 1.70 MPa, The weight of the minimum content of rubber concrete is found in a variation of 5% with a strength of 2418.02 kg / m3.