杭州湾跨海大桥北通航孔斜拉桥施工控制

以杭州湾跨海大桥北通航孔斜拉桥为背景,根据斜拉桥的结构特点,对全桥进行了仿真计算和施工控制研究.利用最小弯曲能量法和影响矩阵法进行合理成桥状态分析和合理施工状态的分析,按照自适应与反馈理论结合的施工控制方法进行施工过程控制,北通航孔斜拉桥的施工控制取得了良好的效果.实践证明,文中介绍的理论分析和施工监控方法是合理的,对同类型桥梁的施工监控有一定参考价值.

Construction Control of North Channel Cable-Stayed Bridge of Hangzhou Bay Sea-Crossing Bridge

On the basis of the project of North Channel Cable-Stayed Bridge of Hangzhou Bay Seacrossing Bridge,the simulation calculation and construction control are studied according to its structure characteristics.The reasonable finished dead state is determined by the minimum bending energy method,then the rational construction state is analyzed by influence matrix method.During the bridge construction,the construction monitoring is proceeded by the method of combining adaptive control theory and feeding back theory.The theoretic analysis and the construction control method in this paper are proved reasonable by the project,which is of practical significance for construction control of this kind bridge.