It is no doubt that all damages will more or less affect in-plane mechanical performances of composite materials, in particular ultimate strength.
各种损伤都会或多或少地对复合材料面内的力学性能产生不同程度的影响，尤其对强度而言更为明显。
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。
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