Curvature loading method for structural displacement calculation
Abstract：The similarity that the differential relation between structure displacements and the differential rela- tion between structure loads and its internal forces has provided an effective new method to calculate structural displacements, namely the curvature loading method. Every member curvature was looked upon as the distri- bution load acting on a structure, and a support joint, a bar nod and a curvature change position were all re- garded as a bar element piecewise point, then the forces of end point were obtained based on the supporting conditions at two opposite ends. Hereby, the shearing curves and the bending moment curves were obtained. The angle displacement curves and the deflection displacement curves were attained correspondingly. Hence the resolving thoughts of the curvature loading method were proposed and the expressions for the angle dis- placement and deflection displacement were also given under a common curvature load. The example showed that, the method introduced above was correct, and easy to calculate, and the work in this paper is a kind of beneficial attempt and exploration in structural displacement calculation.
Keywords：curvature loading methodangle displacement curvedeflection displacement curvestructuredisplacement calculation
Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 722-727 )