杭州湾跨海大桥桥墩高性能混凝土裂纹成因及控制措施

Causes of Formation and Method of Prevention and Control for High Performance Concrete Cracks in the Piers of the Long Span Bridge Across Hangzhou Bay

本文结合杭州湾跨海大桥I合同段桥墩的施工情况,介绍了海工高性能混凝土的施工特点,对杭州湾跨海大桥中桥墩混凝土裂纹成因进行了分析,并介绍了其预防和处理措施。

This paper introduced the construction features of high performance concrete in the sea construction in accordance with construction situation of the long span bridge across Hangzhou Bay. We analyzed the cause of formation of the cracks for con- crete piers, and introduced methods to prevent and control cracks.