CombinedLoading.PDF

Combined Loading mi@seu.edu.cn Contents •Unsymmetric Bending （不对称弯曲） •Tension Bending （拉弯组合） •Eccentric Compression （偏心压缩） •Core of Cross-sections （截面核心区域） •Core of Rectangular Cross-sections （矩形截面核心区域） •Core of Circular Cross-sections （圆形截面核心区域） •Tension Torsion （拉扭组合） •Bending Torsion （弯扭组合） •Tension, Bending Torsion （拉弯扭组合） 2 Introduction •A circular bar subjected to a single type of load  T I x p  M y I x z z *  F S I b xy S z z 3 Introduction •Prismatic bars are frequently subjected to several loads simultaneously •The principle of superposition is used to determine the resultant stress strain •Conditions for the principle of superposition - Linear elasticity small deformation - No interaction between variously loads 4 Unsymmetric Bending • Analysis of pure bending has been limited to members subjected to bending moments