Prefabricated segment assembled pier body structure and construction method thereof: Fid-Bau Portal

Prefabricated segment assembled pier body structure and construction method thereof

TU WENMENG / ZHU SEN / CHEN LUWEI

The invention provides a prefabricated segment assembled pier body structure and a construction method thereof, the prefabricated segment assembled pier body structure comprises a bearing platform (1) and a cover beam (3), and is characterized in that a plurality of prefabricated segment hollow pier columns (2) are sequentially connected above the bearing platform (1), and the cover beam (3) is connected above a prefabricated segment hollow pier column (15) at the top; prestressed steel strands (4) are connected to the interiors of the bearing platform (1), the multiple prefabricated segment hollow pier columns (2) and the cover beam (3) in the vertical direction, a strand body of each prestressed steel strand (4) is arranged in a U shape, the two ends of each prestressed steel strand (4) are fixedly connected with the cover beam (3), and concrete is poured between a first prefabricated segment hollow pier column (13) at the bottom and the bearing platform (1). And concrete is poured into a first prefabricated segment hollow pier column (13) at the bottom. The integrity of the pier column is guaranteed, the strength of the pier column is improved, and the working efficiency is improved.

本发明提供了一种预制节段拼装墩身结构及其施工方法，包括承台(1)和盖梁(3)，其特征在于：所述承台(1)上方依次连接多节预制节段空心墩柱(2)，顶部的预制节段空心墩柱(15)的上方连接所述盖梁(3)，所述承台(1)、多节预制节段空心墩柱(2)和盖梁(3)的内部在竖向方向上连接有预应力钢绞线(4)，预应力钢绞线(4)的线身呈U型设置，两端与盖梁(3)固定连接，底部第一节预制节段空心墩柱(13)与承台(1)之间浇筑有混凝土。底部第一节预制节段空心墩柱(13)内灌注有混凝土。本发明保证了墩柱整体性，提高了墩柱的强度，提高了工作效率。

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