桥梁混凝土配合比设计中几个问题的研究

Study of the Problems in mixing ratio Design of Bridge Concrete

本文通过对混凝土配合比设计中几个问题的研究，指出现行混凝土配合比设计的几点不足，并提出改进方案和设计例题。

The paper put forward a few deficiencies in design of the existing Concrete mixing ratio,and improvenent plan and design example,through study of concrete mixing rate design.