浅谈大体积混凝土

Discussion on Big Volume Concrete

混凝土、钢筋混凝土是建筑结构物中广泛使用的主要材料，在现代工程建设中占有重要的地位。随着大规模经济建设的发展，桥梁中承受荷载大的结构，往往都是采用大体积混凝土建造的。本文主要介绍大体积混凝土的定义、裂缝及起因和防裂技术措施。

Concrete and reinforcement concrete are main materials widely used in building construction and have important position in modern engineering construction. In pace with large-scale development of economy, bridge structure with heavy load is commonly constructed with big volume concrete. This paper mainly introduces the definition,crack and crack cause,and crack prevention technical measures of big volume concrete.