樊   剑        （长沙交通学院建工系 410076）

   张燕平       （华中理工大学 武汉 430074）

[提要]  利用力法推导出直角坐标下空间圆弧形曲梁的单元刚度矩阵，编制了含此类单元的空间刚架内力计算程序，并计算了工程实例。
[关键词]  力法 圆弧形曲梁 单元刚度

The element stiffness matrix of the space circular curved beam for right-angled coordinate with the flexibility method are derived,a computer program including this kind of element for analysing the internal force of space frame is worked out and two engineering examples are calculated.
Keywords:  flexibility method; space circular curved beam; element stiffness