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本文针对典型工字梁结构,基于弯曲刚度等效方法 ,且保持截面形心不变,通过PATRAN软件建立有限元模型,分别建成10段等长的梁单元和板杆结构(腹板简化为剪切板元),分析工字梁弯曲变形挠度和梁截面上内力分布,验证板杆结构工程算法的准确性。
In this paper, a typical I-beam structure, based on equivalent method of bending stiffness, and keep the centroid of the section unchanged, the finite element model was established by PATRAN software, and the beam elements and the slab structure Cut plate element), analysis of I-beam bending deflection and beam cross-section of the internal force distribution to verify the accuracy of the slab structure engineering algorithm.