For the code revising, some important conclusions have been drawn through the theoretical analysis and experimental research of the post-buckling strength of web plates of I-section girder.

通过对焊接工字梁腹板屈曲后强度的理论分析及试验研究，得出了一些对规范修订有重要参考价值的结论。

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The invention could be widely used in connecting of the girder, the post and other built-up steel structure components in the architect field.

本发明可广泛应用于建筑领域的梁、柱等组合型钢结构件的连接。

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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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