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本文应用有限单元法分析具有完全或非完全相互作用的钢-混凝土组合梁若干问题。构造了一种由偏心板单元和偏心连接单元组成的混合有限元模型。本文以模型试验及其它理论结果为例,证明了该单元的有效性及可靠性。最后,对组合梁进行大量分析,解释了一些实验现象和实验中无法解决的问题。
In this paper, finite element method is used to analyze some problems of steel-concrete composite beams with complete or incomplete interactions. A hybrid finite element model consisting of an eccentric plate unit and an eccentric connection unit was constructed. This paper takes the model test and other theoretical results as examples to prove the validity and reliability of the unit. Finally, a large number of analyses were performed on composite beams to explain some experimental phenomena and problems that could not be solved in experiments.