The paper introduced the theoretical model of "method of reinforced stiffness through cross rib" firstly, which the excellent structural capability of reinforced concrete cast-in.
首先介绍了现浇空心板截面“横肋附加刚度法”理论计算模型，进而实现在进行结构设计计算时，采用该模型，充分发挥现浇空心板截面刚度大的优良结构性能。
The lateral stiffness of the single rib arch is very small due to it removed the lateral bracing, so the lateral stability of the arch rib is the acute issue.
由于去掉了中间的横向联系，侧向刚度很小，拱桥的横向稳定问题特别突出。
The main reinforcing rib is protected against being destroyed in the processing and applying process, thereby enhancing the ring stiffness of a straight ribbed pipe wound by glass-reinforced plastics.
保护了主加强肋在加工应用过程中不会受到破坏，从而提高塑钢缠绕直肋管的环刚度。
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