本文主要从粗骨料的吸水率、空隙率、颗粒形状、表面特征、材质及强度等方面通过试验,研究其对混凝土性能的影响,并讨论了粗骨料的表面特征、材质对混凝土抗氯离子渗透性能的影响以及粗骨料材质对混凝土碳化深度的影响,以期提高建筑工程的耐久性和安全性。 This paper mainly from the water absorption, porosity, particle shape, surface characteristics, material and strength of the coarse aggregate to test its impact on the performance of concrete, and discusses the surface features of coarse aggregate, the material of concrete resistance to chlorine Ion permeability and the effect of coarse aggregate material on the carbonation depth of concrete, in order to improve the durability and safety of the construction.