The silica opal templates were prepared from three silica colloids of different diameters of 230 nm,500nm and 1.5 μm by......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......