Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Efficient and rapid construction method for steel box girder of cable-stayed bridge in mountainous area
The invention belongs to the technical field of cable-stayed bridge construction methods, and discloses an efficient and rapid construction method for a steel box girder of a cable-stayed bridge in a mountainous area, which comprises the following steps of: positioning and mounting a first section of steel box girder on a steel-concrete combined section at a bridge tower; hoisting the steel box girder on the shore to the cantilever end of the midspan side of the first section of steel box girder for positioning, connecting the steel box girder with the temporary connecting piece on the tower side of the first section of steel box girder bridge in a matching manner, and then tensioning the cable force of the stay cable of the steel box girder on the shore to T1; hoisting the steel box girder on the opposite bank, and installing by adopting the same method as the steel box girder on the bank; connecting a local bank steel box girder circular seam, and then removing the temporary connecting piece which is connected with the tower end of the local bank steel box girder bridge; the cable force of the stay cable on the shore steel box girder is tensioned to a preset value T, and installation of the shore steel box girder is completed; and finishing the construction of the residual beam sections according to the steps until the main bridge is closed. The device is matched with a cable hoisting system, the problems that hoisting of the steel box girder in the mountainous area is limited by terrains and the construction progress is slow are successfully solved, then the construction cost is reduced, and comprehensive benefits are remarkable.
本发明属于斜拉桥施工方法技术领域，公开了一种山区斜拉桥钢箱梁高效快速的施工方法，将首节段钢箱梁定位安装在桥塔处钢混结合段上；将本岸钢箱梁吊装至首节段钢箱梁跨中侧悬臂端进行定位并与首节段钢箱梁桥塔侧临时连接件匹配连接，再张拉本岸钢箱梁斜拉索的索力至T1；起吊对岸钢箱梁，采用与本岸钢箱梁同样的方法安装；连接本岸钢箱梁环缝，随后拆除本岸钢箱梁桥塔端连接完成的临时连接件；张拉本岸钢箱梁上的斜拉索的索力至预设值T，完成本岸钢箱梁的安装；按照以上步骤完成剩余梁段施工，直至主桥合龙。本发明配合缆索起重系统，成功解决了山区钢箱梁吊装受地形限制和施工进度慢的问题，进而减少了施工费用，综合效益显著。
Efficient and rapid construction method for steel box girder of cable-stayed bridge in mountainous area
The invention belongs to the technical field of cable-stayed bridge construction methods, and discloses an efficient and rapid construction method for a steel box girder of a cable-stayed bridge in a mountainous area, which comprises the following steps of: positioning and mounting a first section of steel box girder on a steel-concrete combined section at a bridge tower; hoisting the steel box girder on the shore to the cantilever end of the midspan side of the first section of steel box girder for positioning, connecting the steel box girder with the temporary connecting piece on the tower side of the first section of steel box girder bridge in a matching manner, and then tensioning the cable force of the stay cable of the steel box girder on the shore to T1; hoisting the steel box girder on the opposite bank, and installing by adopting the same method as the steel box girder on the bank; connecting a local bank steel box girder circular seam, and then removing the temporary connecting piece which is connected with the tower end of the local bank steel box girder bridge; the cable force of the stay cable on the shore steel box girder is tensioned to a preset value T, and installation of the shore steel box girder is completed; and finishing the construction of the residual beam sections according to the steps until the main bridge is closed. The device is matched with a cable hoisting system, the problems that hoisting of the steel box girder in the mountainous area is limited by terrains and the construction progress is slow are successfully solved, then the construction cost is reduced, and comprehensive benefits are remarkable.
本发明属于斜拉桥施工方法技术领域，公开了一种山区斜拉桥钢箱梁高效快速的施工方法，将首节段钢箱梁定位安装在桥塔处钢混结合段上；将本岸钢箱梁吊装至首节段钢箱梁跨中侧悬臂端进行定位并与首节段钢箱梁桥塔侧临时连接件匹配连接，再张拉本岸钢箱梁斜拉索的索力至T1；起吊对岸钢箱梁，采用与本岸钢箱梁同样的方法安装；连接本岸钢箱梁环缝，随后拆除本岸钢箱梁桥塔端连接完成的临时连接件；张拉本岸钢箱梁上的斜拉索的索力至预设值T，完成本岸钢箱梁的安装；按照以上步骤完成剩余梁段施工，直至主桥合龙。本发明配合缆索起重系统，成功解决了山区钢箱梁吊装受地形限制和施工进度慢的问题，进而减少了施工费用，综合效益显著。
Efficient and rapid construction method for steel box girder of cable-stayed bridge in mountainous area
一种山区斜拉桥钢箱梁高效快速的施工方法
SHANG CONGJIN (Autor:in) / YANG PANJIE (Autor:in) / LIAO CHENFENG (Autor:in) / LIU MENGLIN (Autor:in) / CHEN XIN (Autor:in) / LEE BANG-WON (Autor:in) / CHEN QICHAN (Autor:in) / LIN YUN (Autor:in) / LI ZHENHUA (Autor:in) / XIA LIANGZHONG (Autor:in)
14.05.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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