Installation method of steel anchor beam in upper tower column of A-shaped bridge tower: Fid-Bau Portal

Installation method of steel anchor beam in upper tower column of A-shaped bridge tower

GUO XIAONAN / ZHOU QINGYONG / GAO ZHIJUN / WANG XIANGYU / LIANG CHAO / GAO WEI / XU JIANMIN / ZHANG SHUO

The invention relates to the field of bridge construction, and discloses a mounting method of a steel anchor beam in a tower column on an A-shaped bridge tower, which comprises the following steps: arranging a temporary positioning bracket of the steel anchor beam at a preset position of the tower column; a jack is arranged at the top of the steel anchor beam temporary positioning support to adjust the elevation of the steel anchor beam; the steel anchor beam is hoisted and installed, and measurement and fine adjustment are conducted while the steel anchor beam is installed; the installed steel anchor beam is reinforced; mounting and positioning the cable guide pipe; and an upper tower column formwork is built, and concrete pouring is conducted. The technical problem that in the prior art, the installation process of the steel anchor beam in the upper tower column of the A-shaped bridge tower is difficult is solved, and accurate installation of the steel anchor beam in the A-shaped bridge tower is achieved.

本申请涉及桥梁建设的领域，并公开了一种A形桥塔上塔柱中钢锚梁的安装方法，包括：塔柱预设位置设置钢锚梁临时定位支架；在钢锚梁临时定位支架的顶部设置千斤顶进行钢锚梁高程调节；吊装钢锚梁并进行安装，且所述钢锚梁安装的同时进行测量和精调；对安装后的钢锚梁进行加固；对索导管进行安装定位；搭建上塔柱模板并进行混凝土浇筑。本申请解决了现有技术中A形桥塔上塔柱中钢锚梁的安装过程较为困难的技术问题，实现了A形桥塔中钢锚梁的精准安装。

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