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Hollow plate beam replacement hinge joint connecting structure and construction method thereof
The invention discloses a hollow plate beam replacement hinge joint connecting structure and a construction method thereof. The hollow plate beam replacement hinge joint connecting structure comprises an old secondary side plate beam and a new side plate beam. A strip-shaped steel plate with a triangular cross section is arranged at the bottom of a hinge joint between the old secondary side plate beam and the new side plate beam and serves as a mold; and UHPC materials are poured into the hinge joint. The old transverse connection steel bars of the old secondary side plate beams and the new transverse connection steel bars of the new side plate beams are in lap joint above the hinge joint, the UHPC materials are poured, and the old secondary side plate beams and the new side plate beams are connected into a whole. During construction, a chain saw is adopted to cut an old side plate beam needing to be dismantled, and concrete in a hinge joint is removed; after the new side plate beam is in place, the new transverse connection steel bars and the old transverse connection steel bars are in lap joint, and a bottom die is arranged at the bottom of the hinge joint; then, a bridge floor above the hinge joint is locally slotted; and finally, the UHPC materials are poured into the hinge joints and the local open grooves of the bridge floor. According to the method, the transverse connection steel bars of the new boss beam are in lap joint, traditional steel bar planting and welding operation is avoided, and the construction efficiency is improved.
本发明公开了空心板梁换梁铰缝连接结构及其施工方法，包括旧次边板梁和新边板梁；旧次边板梁和新边板梁之间的铰缝的底部设置横截面为三角形的条状钢板作为模；铰缝内浇筑UHPC材料；旧次边板梁的老横向联系钢筋和新边板梁的新横向联系钢筋在铰缝上方搭接，并浇筑UHPC材料，将旧次边板梁和新边板梁连接为一体。施工时，先采用链锯切割需要拆除的旧边板梁，并清除铰缝内的混凝土；新边板梁就位后，将新横向联系钢筋与老横向联系钢筋搭接，并在在铰缝的底部设置底模；然后，在铰缝上方桥面局部开槽；最后，在铰缝和桥面局部开槽内浇筑UHPC材料。本发明中新老板梁横向联系钢筋采用搭接，避免了传统的植筋和焊接操作，提升了施工效率。
Hollow plate beam replacement hinge joint connecting structure and construction method thereof
The invention discloses a hollow plate beam replacement hinge joint connecting structure and a construction method thereof. The hollow plate beam replacement hinge joint connecting structure comprises an old secondary side plate beam and a new side plate beam. A strip-shaped steel plate with a triangular cross section is arranged at the bottom of a hinge joint between the old secondary side plate beam and the new side plate beam and serves as a mold; and UHPC materials are poured into the hinge joint. The old transverse connection steel bars of the old secondary side plate beams and the new transverse connection steel bars of the new side plate beams are in lap joint above the hinge joint, the UHPC materials are poured, and the old secondary side plate beams and the new side plate beams are connected into a whole. During construction, a chain saw is adopted to cut an old side plate beam needing to be dismantled, and concrete in a hinge joint is removed; after the new side plate beam is in place, the new transverse connection steel bars and the old transverse connection steel bars are in lap joint, and a bottom die is arranged at the bottom of the hinge joint; then, a bridge floor above the hinge joint is locally slotted; and finally, the UHPC materials are poured into the hinge joints and the local open grooves of the bridge floor. According to the method, the transverse connection steel bars of the new boss beam are in lap joint, traditional steel bar planting and welding operation is avoided, and the construction efficiency is improved.
本发明公开了空心板梁换梁铰缝连接结构及其施工方法，包括旧次边板梁和新边板梁；旧次边板梁和新边板梁之间的铰缝的底部设置横截面为三角形的条状钢板作为模；铰缝内浇筑UHPC材料；旧次边板梁的老横向联系钢筋和新边板梁的新横向联系钢筋在铰缝上方搭接，并浇筑UHPC材料，将旧次边板梁和新边板梁连接为一体。施工时，先采用链锯切割需要拆除的旧边板梁，并清除铰缝内的混凝土；新边板梁就位后，将新横向联系钢筋与老横向联系钢筋搭接，并在在铰缝的底部设置底模；然后，在铰缝上方桥面局部开槽；最后，在铰缝和桥面局部开槽内浇筑UHPC材料。本发明中新老板梁横向联系钢筋采用搭接，避免了传统的植筋和焊接操作，提升了施工效率。
Hollow plate beam replacement hinge joint connecting structure and construction method thereof
空心板梁换梁铰缝连接结构及其施工方法
YAN XINGFEI (author) / ZHOU XIAOYU (author) / ZHANG KAILONG (author)
2021-05-28
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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