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Prestress conversion system for main beam of fish-bellied pedestrian landscape bridge and construction method
The invention discloses a fish belly type pedestrian landscape bridge girder prestress conversion system which comprises a V-leg mechanism and a stress conversion mechanism, the V-leg mechanism comprises a V-leg frame and a hinged support, the hinged support is installed on a foundation platform through an embedded part, the lower end of the V-leg frame is hinged to the hinged support through a hinged shaft, and the axis of the hinged shaft is arranged in the width direction of a girder. The main beam frame is arranged at the upper end of the V-shaped leg frame; the stress conversion mechanism is arranged on the side, facing the land, of the V-leg frame and comprises a tensioning driving part and a steel strand, the tensioning driving part is used for tightening and releasing the steel strand, one end of the steel strand is connected with the tensioning driving part, the other end of the steel strand is connected with the foundation platform through a pull rod, and the tensioning driving part is installed on the main beam. The method has the effect of improving the prestressed construction effect.
本发明公开了一种鱼腹式人行景观桥主梁预应力转换体系,包括V腿机构和应力转换机构,V腿机构包括V腿架和铰座,铰座通过预埋件安装于基础承台上,V腿架的下端通过铰轴铰接铰座,铰轴的轴线沿主梁的宽度方向设置,主梁架设于V腿架的上端;应力转换机构设于V腿架朝向陆地的一侧,应力转换机构包括张拉驱动件和钢绞线,张拉驱动件用于收紧和释放钢绞线,钢绞线的一端连接张拉驱动件,钢绞线的另一端通过拉杆连接基础承台,张拉驱动件安装于主梁上。本申请具有提高预应力施工效果的效果。
Prestress conversion system for main beam of fish-bellied pedestrian landscape bridge and construction method
The invention discloses a fish belly type pedestrian landscape bridge girder prestress conversion system which comprises a V-leg mechanism and a stress conversion mechanism, the V-leg mechanism comprises a V-leg frame and a hinged support, the hinged support is installed on a foundation platform through an embedded part, the lower end of the V-leg frame is hinged to the hinged support through a hinged shaft, and the axis of the hinged shaft is arranged in the width direction of a girder. The main beam frame is arranged at the upper end of the V-shaped leg frame; the stress conversion mechanism is arranged on the side, facing the land, of the V-leg frame and comprises a tensioning driving part and a steel strand, the tensioning driving part is used for tightening and releasing the steel strand, one end of the steel strand is connected with the tensioning driving part, the other end of the steel strand is connected with the foundation platform through a pull rod, and the tensioning driving part is installed on the main beam. The method has the effect of improving the prestressed construction effect.
本发明公开了一种鱼腹式人行景观桥主梁预应力转换体系,包括V腿机构和应力转换机构,V腿机构包括V腿架和铰座,铰座通过预埋件安装于基础承台上,V腿架的下端通过铰轴铰接铰座,铰轴的轴线沿主梁的宽度方向设置,主梁架设于V腿架的上端;应力转换机构设于V腿架朝向陆地的一侧,应力转换机构包括张拉驱动件和钢绞线,张拉驱动件用于收紧和释放钢绞线,钢绞线的一端连接张拉驱动件,钢绞线的另一端通过拉杆连接基础承台,张拉驱动件安装于主梁上。本申请具有提高预应力施工效果的效果。
Prestress conversion system for main beam of fish-bellied pedestrian landscape bridge and construction method
一种鱼腹式人行景观桥主梁预应力转换体系及施工方法
CAI PENG (author) / GUI JIANWEN (author) / LI CANLUN (author) / WANG WEI (author) / DENG XIAOFENG (author) / RONG MIN (author) / YANG WENJIE (author) / LI YANHUA (author) / QIN XIAOHUA (author)
2023-11-24
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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