Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Highway three-dimensional reconstruction and extension bridge installation equipment and construction method thereof
The invention discloses highway three-dimensional reconstruction and extension bridge installation equipment and a construction method thereof.The equipment comprises a main beam structure, the front end of the main beam structure is supported on a pier column of a bridge through a front supporting leg, and the rear portion of the main beam structure is supported on a bridge deck precast beam of the bridge through a rear supporting leg and a middle supporting leg; the rotating turntable is arranged on the bridge deck precast beam and is used for rotating the steel cover beam, the main beam structure comprises two main beams which are arranged side by side, and two movable crown blocks are arranged on each main beam. The steel cover beams and the precast beams are transported and installed on the bridge deck of the bridge girder erection machine, occupied ground lanes are reduced, long-time traffic closing is avoided, and operation interference on existing traffic is reduced; the construction difficulty of high-altitude rotation of a large-span steel cover beam is large, a bridge deck rotation-double-main-beam lifting mode is adopted, potential safety hazards of suspended rotation of the large-tonnage steel cover beam are avoided, the requirement for a lifting appliance is reduced, meanwhile, the single-hook lifting weight of a bridge girder erection machine is reduced, and the construction safety risk is reduced.
本发明公开了一种高速公路立体改扩建桥梁安装设备及其施工方法，其设备包括主梁结构，主梁结构的前端通过前支腿支撑在桥梁的墩柱上，主梁结构的后部通过后支腿和中支腿支撑在桥梁的桥面预制梁上，还包括设在桥面预制梁上的用于钢盖梁旋转的旋转转盘，所述主梁结构包括并排设置的两个主梁，每个主梁上均设有两个可移动的天车。采用架桥机桥面运输安装钢盖梁和预制梁，减少占用地面车道，避免长时间封闭交通，减少对既有交通的运营干扰；大跨钢盖梁高空转体施工难度大，采用桥面转体‑双主梁抬吊方式，避免大吨位钢盖梁悬空转体的安全隐患，减小对吊具的要求，同时减小架桥机单钩吊装重量，降低施工安全风险。
Highway three-dimensional reconstruction and extension bridge installation equipment and construction method thereof
The invention discloses highway three-dimensional reconstruction and extension bridge installation equipment and a construction method thereof.The equipment comprises a main beam structure, the front end of the main beam structure is supported on a pier column of a bridge through a front supporting leg, and the rear portion of the main beam structure is supported on a bridge deck precast beam of the bridge through a rear supporting leg and a middle supporting leg; the rotating turntable is arranged on the bridge deck precast beam and is used for rotating the steel cover beam, the main beam structure comprises two main beams which are arranged side by side, and two movable crown blocks are arranged on each main beam. The steel cover beams and the precast beams are transported and installed on the bridge deck of the bridge girder erection machine, occupied ground lanes are reduced, long-time traffic closing is avoided, and operation interference on existing traffic is reduced; the construction difficulty of high-altitude rotation of a large-span steel cover beam is large, a bridge deck rotation-double-main-beam lifting mode is adopted, potential safety hazards of suspended rotation of the large-tonnage steel cover beam are avoided, the requirement for a lifting appliance is reduced, meanwhile, the single-hook lifting weight of a bridge girder erection machine is reduced, and the construction safety risk is reduced.
本发明公开了一种高速公路立体改扩建桥梁安装设备及其施工方法，其设备包括主梁结构，主梁结构的前端通过前支腿支撑在桥梁的墩柱上，主梁结构的后部通过后支腿和中支腿支撑在桥梁的桥面预制梁上，还包括设在桥面预制梁上的用于钢盖梁旋转的旋转转盘，所述主梁结构包括并排设置的两个主梁，每个主梁上均设有两个可移动的天车。采用架桥机桥面运输安装钢盖梁和预制梁，减少占用地面车道，避免长时间封闭交通，减少对既有交通的运营干扰；大跨钢盖梁高空转体施工难度大，采用桥面转体‑双主梁抬吊方式，避免大吨位钢盖梁悬空转体的安全隐患，减小对吊具的要求，同时减小架桥机单钩吊装重量，降低施工安全风险。
Highway three-dimensional reconstruction and extension bridge installation equipment and construction method thereof
一种高速公路立体改扩建桥梁安装设备及其施工方法
ZENG LIWEN (Autor:in) / LONG XIANG (Autor:in) / CHEN JINGSONG (Autor:in) / PANG LIGUO (Autor:in) / ZANG JUN (Autor:in) / XU KUI (Autor:in) / ZHU ZHIXIANG (Autor:in) / LIU XIN (Autor:in) / XIANG YANMAO (Autor:in) / YU HAITAO (Autor:in)
14.01.2025
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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