通过有限元分析，系统研究了谐波沉降下浮顶罐结构的线性静力性能。
Linear static behaviors of the floating-roof tanks under harmonic settlement are studied systematically by finite element analyses.
理论分析结果及工程应用表明，在拱结构的帮助下，柱面单层拱支网壳结构的静力性能得到了明显的改善。
The results show that, with the anticipation of arch structures, the static behaviors of the arch-supported single-layer reticulated cylindrical shells are improved obviously.
本文分析研究了平板型多面体刚架结构的静力性能，通过与普通平板网架比较得到这种新结构杆件内力的分布规律。
This thesis analyzed static behavior of plate polyhedron frame structures. The distribution rule of member internal forces was found by comparing with plate grid structures.
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