Connecting mode of pier joint zero cast-in-place double-column pier, bent cap and bearing platform: Fid-Bau Portal

Connecting mode of pier joint zero cast-in-place double-column pier, bent cap and bearing platform

YAN BIN

The invention provides a connecting mode of a pier joint zero cast-in-place double-column pier, a bent cap and a bearing platform, which is characterized in that a double-column pier structure sequentially comprises a cover beam, a bridge pier, a bearing platform and a pile foundation from top to bottom, the cover beam and the bridge pier are both constructed in a factory prefabrication and field assembly mode, and the bearing platform and the pile foundation are both constructed in a cast-in-place mode; the bent cap and the pier are connected through a pier top support, the pier and the bearing platform are connected through a pier bottom support, the structure is simple, force transmission is clear, construction is convenient and fast, double-column-pier on-site zero cast-in-place operation is achieved, and the connecting mode can be widely applied to bridges adopting double column piers.

本发明提供一种桥墩接缝零现浇双柱墩与盖梁及承台的连接方式，包括：双柱墩结构自上而下依次为盖梁、桥墩、承台、桩基，所述盖梁与桥墩均采用工厂预制、现场拼装的方式施工，承台与桩基均采用现浇施工，所述盖梁与桥墩之间采用墩顶支座连接，所述桥墩与承台之间采用墩底支座连接，本发明结构简单，传力明确，施工便捷，实现了双柱墩现场零现浇作业，可广泛应用于采用双柱墩的桥梁。

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