This article describes the mechanical characteristics of shell structure and according to the elastic-plastic theory of shell establish basic equations, the mechanical characteristics are analyzed which have some guidance to practical applications in engineering.%本章介绍了壳体结构的力学特征并根据薄壳的弹塑性理论建立拱壳的基本方程,从而分析其力学特征,对工程实际的应用有一定的指导意义.
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