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C50混凝土广泛运用于桥梁的上部结构中,如果混凝土配合比设计不合理,往往引起混凝土强度不合格、收缩裂缝等问题发生。某立交桥连续梁所需C50混凝土要求非常高,根据大量的试验以及成功的生产经验阐述了C50混凝土的原材料选择以及配合比设计。
C50 concrete is widely used in the superstructure of bridges. If the mix design of concrete is not reasonable, it often causes problems such as unqualified concrete strength and shrinkage cracks. C50 concrete required for a continuous beam of an overpass is very demanding. Based on a large number of tests and successful production experiences, the raw material selection and mix design of C50 concrete are elaborated.