宽翼缘T形柱的ANSYS非线性有限元分析
首发时间:2011-11-01
摘要:利用ANSYS有限元软件分析了高厚比对宽翼缘T形钢筋混凝土柱的破坏形态和受力性能的影响。在腹板长度不变,且轴压比相同的情况下,通过翼缘长度的变化达到变化高厚比的目的,设计了四个计算模型。分析了宽翼缘T形钢筋混凝土异形柱的开裂荷载和极限荷载的变化和裂缝的发展情况,验证了柱肢变形由压弯型向剪压型转变的过程。
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ANSYS Nonlinear Finite Element Analysis of Wide Flange T-special Shaped Section Columns
Abstract:Using finite element analysis software-ANSYS, the nonlinear properties of reinforced concrete wide flange T-special shaped section columns have been studied including the failure feature and the mechanical behavior under the influence of width-thickness ratio. Changing the length of the flange to achieve the purpose of change height-width ratio, while the length of the web and the axial force-area ratio are keeping invariant, designed four models,analysed the T-shaped reinforced concrete columns of the cracking load and limit load and the development of cracks, the process of transformation of column limb deformed from bend- compression to shear-compression performance has been validated.
Keywords: wide limb T-shaped section column height-width ratio nonlinear finite element analysis crack propagation figure.
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