Benzothiadiazole (BT) is an electron-deficient unit with fused aromatic core,which can be used to construct conjugated p......

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......