在以往施工中 ,桥架支架安装多采用两种方法 ,一是焊接于钢结构上 ,二是用膨胀螺栓连接于混凝土上 ,而在苏州葛兰素威康制药项目中 ,桥架支架基本上采用螺栓连接方式 ,这种安装方法过去国内使用较少 ,特介绍如下 :第一种方法 :仅用于建筑物内 ,因为楼板采用钢结构面上浇注混凝 In past constructions, there are two methods used for the installation of the bridge support. The first one is welded to the steel structure and the second one is connected to the concrete with expansion bolts. In the Suzhou Glaxo Wellcome Pharmaceutical Project, the bridge support basically uses bolts. Connection method, this kind of installation method was used less domestically in the past, especially introduced as follows: The first method: it is only used in buildings because the floor slab is cast with coagulation on the steel structure surface.