This paper introduces the case roof beam segment making the p roject in the steel case beam bridge to divide, the steel case roof beam factory , processing and welds , installs the construction craft and technical applicat ion live live;

• 本文介绍了钢箱梁桥制作的箱梁节段划分,钢箱梁工厂、现场加工焊接、现场安装施工工艺和技术应用;