腹板开洞工字型钢梁的挠度研究
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带腹板开洞组合梁的抗剪承载力研究


Deformation Analysis for the I Shape Simply——supported Steel Beams with Web Openings
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Composite beams with web openings on Shear Strength

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    摘要:

    工程中常常会有在工字型钢梁腹板上开洞的情形,腹板开洞会影响钢梁的变形性能,本文就此问题进行了研究,将腹板开洞钢梁的挠曲变形视为完整的未开洞钢梁的挠曲变形和由于开洞引起的附加挠曲变形的迭加。对洞口处的应力应变进行了分析,得到了腹板开洞钢梁弹性挠曲变形的计算公式;同时,利用有限元分析软件ANSYS建立模型计算出腹板开洞钢梁的挠度,绘制挠度曲线。通过ANSYS进一步验证了计算公式的正确性。

    Abstract:

    Web Openings are always used in engineering,it affects the deformation of the I shape simple—supported steel beams,this paper studies this issue . The elastic deformation of the I shape simply—supported steel beams with web openings is composed of the deformation of the integrate beam and the additional deformation of the beam with web openings.The analysis of deformation and stress ale conducted ,and the calculating formula is derived of the I shape simply—supported steel beams with web openings; At the same time,ANSYS finite element analysis software is used to found models to calculate the deflection of steel beams with web openings,drawn the deformation curve. Through ANSYS further verified the correctness of the formula.

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引用本文

郭稳娟. 腹板开洞工字型钢梁的挠度研究[J]. 科学技术与工程, 2010, (28): .
guowenjuan. Deformation Analysis for the I Shape Simply——supported Steel Beams with Web Openings[J]. Science Technology and Engineering,2010,(28).

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历史
  • 收稿日期:2010-07-06
  • 最后修改日期:2010-07-16
  • 录用日期:2010-07-26
  • 在线发布日期: 2010-09-01
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