【摘要】 对钢管、角钢和箍筋(缀板)以及内外混凝土构成的新型组合柱的压缩性能作了研究,应用有限元软件ANSYS对组合柱的破坏过程进行数值模拟,通过与试验测试数据的对比,对轴压作用下柱破坏过程中裂缝开展情况,各组分的应力变化进行了分析,利用大量的数值计算数据,基于基本假定,构建新型组合柱轴压承载力计算公式,通过试验数据进行了可靠性验证。更多还原

【Abstract】 The paper researches the compression performance of the new concrete-filled column with steel pipes,steel angle and stirrup and the internal and external concrete,adopts the finite element software ANSYS,to undertake the numeric simulation of the damage process of the concrete-filled column,analyzes the stress changes of all parts in the cracks of column damage process under the effect axial pressure by comparing test data,uses a lot of numeric calculation data,establishes the new concrete-filled axial pressure capacity calculation formula based on basic assumption,and undertakes the reliable checking according to the test data.更多还原