Cyclic behavior of SHS columns under small inelastic cycles Part 2 Prediction of deformation capacity to the stability limit

摘要

The concept of stability limit was proposed in this study.The methods to predict the value of stability limit, the rotationangle corresponding to the maximum strength and thedeformation in the local buckling region of first cycle wereproposed based on the experiment data for specimens undermonotonic loading. The methods to predict the number ofcycles to stability limit for specimens under both constant andvariable cyclic loading were also proposed. High predictionaccuracy can be obtained for the proposed methods in thisstudy.