This article gives some discussions about the calculate of the lock column in the text 《Steel Structure》.
2
应用钢管混凝土结构设计规程,对钢管混凝土格构柱偏心受压试件进行面内整体承载力计算。
The in-plain ultimate load carrying capacity of concrete filled steel tubular(CFST) laced columns compressed eccentrically is calculated based on design guidelines for CFST structure.