With the method, each mechanical stage of this kind of structure could be simulated and calculated including crack moment, ultimate strength, stresses and deflections of all stages more precisely.

• 利用该方法可以对结构的各受力阶段进行模拟计算，得出各阶段预弯钢梁、一期混凝土、二期混凝土的应力和结构变形，并能计算出预弯组合梁的开裂荷载和极限破坏荷载。