张元海. 薄壁箱梁的翘曲连续性条件[J]. 力学与实践, 2009, 31(5): 26-29. DOI: 10.6052/1000-0879-2008-190
引用本文: 张元海. 薄壁箱梁的翘曲连续性条件[J]. 力学与实践, 2009, 31(5): 26-29. DOI: 10.6052/1000-0879-2008-190
THE CONDITION OF WARPING CONTINUITY OF THIN-WALLED BOX-GIRDER$[J]. MECHANICS IN ENGINEERING, 2009, 31(5): 26-29. DOI: 10.6052/1000-0879-2008-190
Citation: THE CONDITION OF WARPING CONTINUITY OF THIN-WALLED BOX-GIRDER$[J]. MECHANICS IN ENGINEERING, 2009, 31(5): 26-29. DOI: 10.6052/1000-0879-2008-190

薄壁箱梁的翘曲连续性条件

THE CONDITION OF WARPING CONTINUITY OF THIN-WALLED BOX-GIRDER

  • 摘要: 基于薄壁杆件理论,分析了薄壁箱梁弯曲剪流和约束扭转翘曲剪流计算时的翘曲连续性条件. 从翘曲连续性条件出发,推导了薄壁箱梁约束扭转翘曲剪流的一般公式,此外,还指出了有关文献中的错误并进行了更正. 最后对一个悬臂箱梁的约束扭转翘曲剪流进行了计算比较.

     

    Abstract: On the basis of the theory of thin-walled member, thecontinuity of warping in analysis of bending shearing flow and warpingshearing flow in thin-walled box-girder is studied. With the continuitycondition of warping, the formula of warping shearing flow in restrained torsion ofthin-walled box-girder is established. The error in relevent referencesis pointed out and corrected. The warping shearing flow in a cantileverbox girder under restrained torsion is calculated.

     

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