殷有泉, 邸元. 纵横弯曲中轴力对最大正应力的影响[J]. 力学与实践, 2016, 38(5): 570-572. DOI: 10.6052/1000-0879-15-251
引用本文: 殷有泉, 邸元. 纵横弯曲中轴力对最大正应力的影响[J]. 力学与实践, 2016, 38(5): 570-572. DOI: 10.6052/1000-0879-15-251
Yin Youquan, Di Yuan. Effect of axial force on the maximum normal stress of beam with longitudinal-transverse bending[J]. MECHANICS IN ENGINEERING, 2016, 38(5): 570-572. DOI: 10.6052/1000-0879-15-251
Citation: Yin Youquan, Di Yuan. Effect of axial force on the maximum normal stress of beam with longitudinal-transverse bending[J]. MECHANICS IN ENGINEERING, 2016, 38(5): 570-572. DOI: 10.6052/1000-0879-15-251

纵横弯曲中轴力对最大正应力的影响

Effect of axial force on the maximum normal stress of beam with longitudinal-transverse bending

  • 摘要: 弯曲问题的强度条件是最大正应力不大于材料的许用应力,即σmaxσ.纵横弯曲梁的轴力对截面最大正应力σmax有重要影响,某些情况下适度的轴力可以降低最大正应力,从而提高梁的安全裕度.本文给出了这种特定情况应满足的条件及其适度轴力上限的计算方法.

     

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