对40目(0.45mm)、级配连续的1~3mm以及2~4mm 3种粒径,10%、20%及30%3种掺量的橡胶颗粒进行Na OH改性处理,通过橡胶颗粒等体积替代细骨料的方式设计了10组配合比的橡胶混凝土,并对橡胶混凝土的包括抗拉强度、抗压强度在内的基本力学性质进行了试验,研究橡胶颗粒的粒径、掺量对橡胶混凝土抗压强度、抗折强度及折压比的影响情况,确定了橡胶颗粒的最佳粒径及掺量。 Na OH modification was performed on rubber particles of 40 mesh (0.45 mm), 1 to 3 mm of continuous graded 1 to 3 mm, and 2 to 4 mm of 3 types of particles, and 10%, 20% and 30% Volume instead of fine aggregate 10 sets of rubber concrete designed and tested the basic mechanical properties including the tensile strength and compressive strength of rubber concrete to study the rubber particle size, Rubber concrete compressive strength, flexural strength and pressure ratio of the impact of the situation to determine the best rubber particle size and dosage.