cfsb meaning in English

瑞士信贷第一波士顿

Based on the elastic continuation and plastic flow theory for concrete creep , and considering the mechanical characteristics of axially compressed concrete filled steel box ( cfsb ) members , this paper derived a formula to calculate the creep of axially compressed cfsb members
摘要基于混凝土徐变的继效流动理论，结合方钢管混凝土轴心受压构件的受力特点，推导出方钢管混凝土轴心受压构件徐变的计算公式。