By using of virtual work principle and the unit-load method, the elastic-plastic process of loading and deflection of a beam with one degree of indeterminacy under an even load is analyzed.

通过虚功原理和单位荷载法分析了均布荷载作用下一次超静定梁的弹塑性加载及变形过程。

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Suspension bridge is a type of flexible structure with high degree of statical indeterminacy and composite by different components (main cable, suspender cable and pylon) with different stiffness.

悬索桥是一种高次超静定柔性结构，由刚度相差较大的构件(主缆、吊索、加劲梁)组成。

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