摘要
在材料力学中,梁发生横力弯曲时,其截面上的剪应力一直用平面假设进行分析,然而事实上截面会发生翘曲变形,这就导致了传统的剪应力计算公式的精度不足,与工程实际有时会产生较大差距.本文根据截面翘曲的事实,提出了截面变形的奇次柱面假设,并以此假设为依据,用理论分析并结合实验的手段,进一步寻求更精确的剪应力计算公式.
In material mechanics,a hypothetic plain section is usually adopted to analyse shearing stress against transverse bending. Actually,the section is always deforming, thus resulting in impreciseness with the traditional shearing stress formula and difference from real projects. In line with the deformation or warpage on section,a hypothetic cylinder of odd degree power function is established,based on which precise shearing stress formula is available by means of combination of theoretical analysis and experimental examination.
出处
《黄石高等专科学校学报》
1998年第2期22-28,共7页
Journal of Huangshi Polytechnic College
