Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for installing ultrahigh annular steel tower of cable-stayed bridge
The invention belongs to the field of bridge tower construction, and particularly relates to a cable-stayed bridge ultrahigh annular steel tower mounting method which comprises the following steps: 1, dividing and horizontally placing annular steel tower sections: dividing an annular steel tower into steel tower sections 1-N symmetrically arranged on two sides of a middle pier and a closure section 2N + 1, fixing the first steel tower section with the middle pier, and fixing the second steel tower section with the middle pier; the rest sections are horizontally placed on the jig frames of the main beams on the two sides of the middle pier; 2, mounting steel tower sections 2-N on the right side of the middle pier: mounting inner supporting rods on the inner sides of the steel tower sections, and sequentially pulling the steel tower sections to vertically rotate from top to bottom to be mounted with the next section until 2-N as a whole rotates to be in butt joint with the steel tower section I; thirdly, the second step is repeated, and installation of the steel tower sections 2-N on the left side of the middle pier is completed; and 4, completing the installation of the closure section N + 1 of the steel tower. According to the method, the annular steel tower is segmented, horizontally installed and then continuously and vertically rotated until closure is achieved, high-precision installation of the annular steel tower is achieved, a large number of temporary supports and large-scale high-altitude hoisting equipment are not needed, and economic benefits are good.
本发明属于桥塔施工领域，尤其涉及一种斜拉桥超高环形钢塔安装方法，包括步骤：一，环形钢塔节段的划分及水平安放：将环形钢塔划分为对称设置在中间桥墩两侧的钢塔节段1～N及合龙段2N+1，钢塔节段一与中间桥墩固定，其余节段水平安放在中间桥墩两侧主梁的胎架上；二，中间桥墩右侧钢塔节段2～N的安装：在钢塔节段内侧安装内撑杆，通过从上到下依次牵引钢塔节段竖向转动与下一节段安装，直至2～N作为整体转动至与钢塔节段一对接；三，重复步骤二，完成中间桥墩左侧钢塔节段2～N的安装；四，完成钢塔合龙段N+1的安装。本发明对环形钢塔分节并水平安装后连续竖向转动直至合龙，实现了环形钢塔高精度安装，无需大量临时支架和大型高空吊装设备，经济效益好。
Method for installing ultrahigh annular steel tower of cable-stayed bridge
The invention belongs to the field of bridge tower construction, and particularly relates to a cable-stayed bridge ultrahigh annular steel tower mounting method which comprises the following steps: 1, dividing and horizontally placing annular steel tower sections: dividing an annular steel tower into steel tower sections 1-N symmetrically arranged on two sides of a middle pier and a closure section 2N + 1, fixing the first steel tower section with the middle pier, and fixing the second steel tower section with the middle pier; the rest sections are horizontally placed on the jig frames of the main beams on the two sides of the middle pier; 2, mounting steel tower sections 2-N on the right side of the middle pier: mounting inner supporting rods on the inner sides of the steel tower sections, and sequentially pulling the steel tower sections to vertically rotate from top to bottom to be mounted with the next section until 2-N as a whole rotates to be in butt joint with the steel tower section I; thirdly, the second step is repeated, and installation of the steel tower sections 2-N on the left side of the middle pier is completed; and 4, completing the installation of the closure section N + 1 of the steel tower. According to the method, the annular steel tower is segmented, horizontally installed and then continuously and vertically rotated until closure is achieved, high-precision installation of the annular steel tower is achieved, a large number of temporary supports and large-scale high-altitude hoisting equipment are not needed, and economic benefits are good.
本发明属于桥塔施工领域，尤其涉及一种斜拉桥超高环形钢塔安装方法，包括步骤：一，环形钢塔节段的划分及水平安放：将环形钢塔划分为对称设置在中间桥墩两侧的钢塔节段1～N及合龙段2N+1，钢塔节段一与中间桥墩固定，其余节段水平安放在中间桥墩两侧主梁的胎架上；二，中间桥墩右侧钢塔节段2～N的安装：在钢塔节段内侧安装内撑杆，通过从上到下依次牵引钢塔节段竖向转动与下一节段安装，直至2～N作为整体转动至与钢塔节段一对接；三，重复步骤二，完成中间桥墩左侧钢塔节段2～N的安装；四，完成钢塔合龙段N+1的安装。本发明对环形钢塔分节并水平安装后连续竖向转动直至合龙，实现了环形钢塔高精度安装，无需大量临时支架和大型高空吊装设备，经济效益好。
Method for installing ultrahigh annular steel tower of cable-stayed bridge
一种斜拉桥超高环形钢塔安装方法
QIANG WEILIANG (Autor:in) / ZHOU JUNLONG (Autor:in) / LIU XIAOMIN (Autor:in) / CAO HAIQING (Autor:in) / YANG XU (Autor:in) / ZENG YINYONG (Autor:in) / LI LINTING (Autor:in) / WANG YANHU (Autor:in)
29.09.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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