A unified method for calculating shear stresses in thin-walled sections

摘要

A unified method for calculating shear stresses in thin-walled sections due to both flexure and torsion, is presented. The distribution of shear stress in many commonly used thin-walled structures, is complex and it is usually difficult to assess such stresses manually. Although the available computer-based numerical methods of analysis can predict accurate stress distribution in these structures, the relative importance of the individual action-effects is not apparent from the results, because they usually provide spot values or contours of the combined effects. The analytical method presented enables a designer to calculate the shear stress distribution in all types of thin-walled cross-sections due to each individual action of flexure and torsion, one at a time.