一种新型空间钢结构──银河金属拱型波纹屋顶刘锡良（天津大学土木系天津３０００７２）拱型结构以其全截面均匀受力使材料的潜能得以充分发挥，从而节约材料、实现结构安全性与经济性的较好统一，拱型结构有着悠久的应用历史和广泛的应用领域。就房屋结构而言砌块拱屋顶... A new type of space steel structure—Liu Xiliang, Yinhai Metal Arched Corrugated Roof (Tianjin 300072, Department of Civil Engineering, Tianjin University) The arched structure exerts its full potential evenly through the entire cross-section so that the potential of the material can be fully realized, thereby saving materials and achieving structural safety. The economical better unity, the arch structure has a long history of application and a wide range of applications. In terms of housing structure, block arch roof...