Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Splicing and widening structure form suitable for bridge with transverse prestress
The invention belongs to the technical field of bridge engineering, and particularly relates to a width splicing structure suitable for a bridge with transverse prestress, which comprises an original bridge box girder and a new bridge box girder, the top of a web of the new bridge box girder is in lap joint with a flange plate of the original bridge box girder, and is fixedly connected with the flange plate of the original bridge box girder through a vertical prestressed steel bar of the new bridge box girder; the two parts form a whole body which is stressed together; the upper portion of the bridge deck lap joint seam of the original bridge box girder and the new bridge box girder is fixed by pouring high-ductility concrete, and common concrete pavement layers are poured at the other positions of the bridge deck lap joint seam of the original bridge box girder and the new bridge box girder. The method has the beneficial effects that the vertical prestressed steel bars of the new bridge serve as anchoring connecting pieces, the ends of the cantilever of the flange plate of the original bridge and the box girder of the new bridge are connected together, the new bridge and the old bridge are integrally stressed together, and the durability of the structure and the driving comfort are improved.
本发明属于桥梁工程技术领域，尤其涉及一种适用于有横向预应力的桥梁拼宽结构形式，包括原桥箱梁、新桥箱梁，所述新桥箱梁腹板顶部与所述原桥箱梁翼缘板搭接在一起，并通过所述新桥箱梁的竖向预应力钢筋固定连接，使二者成为一个共同受力的整体；所述原桥箱梁与所述新桥箱梁桥面搭接接缝处上方通过浇筑高延性混凝土固定，其余位置浇筑普通混凝土铺装层。本发明的有益效果是：将新桥的竖向预应力钢筋作为锚固连接件，将原桥翼缘板悬臂端部与新桥箱梁连接在一起，使得新旧桥梁整体共同受力，提高了结构的耐久性和行车舒适性。
Splicing and widening structure form suitable for bridge with transverse prestress
The invention belongs to the technical field of bridge engineering, and particularly relates to a width splicing structure suitable for a bridge with transverse prestress, which comprises an original bridge box girder and a new bridge box girder, the top of a web of the new bridge box girder is in lap joint with a flange plate of the original bridge box girder, and is fixedly connected with the flange plate of the original bridge box girder through a vertical prestressed steel bar of the new bridge box girder; the two parts form a whole body which is stressed together; the upper portion of the bridge deck lap joint seam of the original bridge box girder and the new bridge box girder is fixed by pouring high-ductility concrete, and common concrete pavement layers are poured at the other positions of the bridge deck lap joint seam of the original bridge box girder and the new bridge box girder. The method has the beneficial effects that the vertical prestressed steel bars of the new bridge serve as anchoring connecting pieces, the ends of the cantilever of the flange plate of the original bridge and the box girder of the new bridge are connected together, the new bridge and the old bridge are integrally stressed together, and the durability of the structure and the driving comfort are improved.
本发明属于桥梁工程技术领域，尤其涉及一种适用于有横向预应力的桥梁拼宽结构形式，包括原桥箱梁、新桥箱梁，所述新桥箱梁腹板顶部与所述原桥箱梁翼缘板搭接在一起，并通过所述新桥箱梁的竖向预应力钢筋固定连接，使二者成为一个共同受力的整体；所述原桥箱梁与所述新桥箱梁桥面搭接接缝处上方通过浇筑高延性混凝土固定，其余位置浇筑普通混凝土铺装层。本发明的有益效果是：将新桥的竖向预应力钢筋作为锚固连接件，将原桥翼缘板悬臂端部与新桥箱梁连接在一起，使得新旧桥梁整体共同受力，提高了结构的耐久性和行车舒适性。
Splicing and widening structure form suitable for bridge with transverse prestress
一种适用于有横向预应力的桥梁拼宽结构形式
SUN CHENGLIN (Autor:in) / ZHOU JUNLONG (Autor:in) / LIU XIAOMIN (Autor:in) / QIANG WEILIANG (Autor:in) / LI XIAOPENG (Autor:in) / LI XIAOLEI (Autor:in) / LU JINGHAO (Autor:in) / XU YUNLONG (Autor:in)
29.09.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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