Catenary assembled single rib arch that carries vertical loadings and was analyzed in this paper, calculation formula of critical loading of lateral stability flexuosity by the energy principle.

本文通过对承受竖向均布荷载的悬链线组拼无铰拱的分析，利用能量原理，建立了组拼拱的横向稳定屈曲临界荷载的计算公式。

The design methods of the link including confirmation of its length and cross section, design of its rib stiffener, design of its connection and lateral braces are emphasized.

着重阐述了消能梁段的设计方法，其中包括消能梁段的长度确定和截面选择，消能梁段的腹板加劲肋、连接和侧向支撑的设计。

The utility model comprises a triangle bracket body, a thread through hole arranged on the triangle bracket body, and a reinforcing rib arranged on one lateral side of the triangle bracket body.

本实用新型包括三角支架本体，三角支架本体上设置螺纹通孔，在三角支架本体的一个侧边上设置加强筋。