Therefore, the author realized the static, dynamic and stable behaviors of hybrid girder cable-stayed bridge, and comprehensively understood the analysing method of the large span cable-stayed bridge.
由此，作者比较全面地认识了混合梁斜拉桥的各种静力、动力和稳定性能，掌握了运用有限元软件计算分析大跨度桥梁的方法。
Aiming at the main damage and its causes of a large-span continuous rigid framework bridge, the strengthening measure of adding the external cable to prestressed concrete box girder was introduced.
针对某大跨度连续刚构桥出现的主要病害及其原因，介绍了采取增设预应力混凝土箱梁体外索的加固措施。
The invention provides a method for repairing large-span post-tensioning cast-in-situ box girder cracks, relating to road engineering, in particular to the bridge construction technical field.
大跨度后张法现浇箱梁面板裂缝的修补方法，涉及道路工程， 特别是桥梁施工技术领域。
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