【導(dǎo)讀】空腹桁架鋼框架的特點(diǎn)及研究意義········································1. 現(xiàn)有研究的不足及本文的研究內(nèi)容········································5. 2空腹桁架鋼框架有限元建模及驗(yàn)證····································8. 彈塑性分析方法簡介·················