TY - JOUR A2 - Riccio, Aniello AU - Hu, Xiaobin AU - Lu, Qinwang AU - Cheng, Shanshan PY - 2019 DA - 2019/03/10 TI - Uniaxial Damaged Plastic Constitutive Relation of Recycled Aggregate Concrete SP - 2982195 VL - 2019 AB - This paper presents a proposed uniaxial damaged plastic constitutive relation of recycled aggregate concrete (RAC) based on the experimental studies. A total of five groups of RAC specimens with different recycled coarse aggregate (RCA) replacement percentages of 0, 25%, 50%, 75%, and 100%, respectively, are tested under both monotonic loading and cyclic loading. The effect of the RCA replacement percentage is thoroughly investigated on a variety of mechanical properties, including the compressive strength, the peak strain, and the elastic modulus. Based on the test results, a uniaxial damage plastic constitutive relation of the RAC is proposed within the continuous thermodynamics framework. After validated by the experimental results, the proposed damaged plastic constitutive relation of the RAC is applied to perform nonlinear analysis of the RAC columns under cyclic loading, which provides close predictions of the hysteresis behavior of the RAC columns. SN - 1687-8434 UR - https://doi.org/10.1155/2019/2982195 DO - 10.1155/2019/2982195 JF - Advances in Materials Science and Engineering PB - Hindawi KW - ER -