The axis of thin shellarch is selected coincidence with the pressure line, the stress inside the arch is controled by pressure stress.
选择薄壳拱的轴线与压力线相吻合，拱内应力主要由压应力控制。
2
Metal corrugated arch roof is a new kind of thin-shell structure and has a wide application.
金属拱型波纹屋顶是一种新的拱型薄壳结构，得到了较为广泛的应用。
3
The stress analytic method of arch dam covers pure arch method, arch beam sharing method, finite element method, calculating method of shell theory and structural model test method.