A stress-strain relation of core concrete is presented, in which the confinement effect of steel tube to core concrete is modified by the circumferencestress grade.
提出了偏心受压的钢管混凝土考虑钢管径向应力梯度对紧箍作用影响的核心混凝土的应力-应变关系模型。
2
Various loading and unloading paths are carried in servo-controlled testing machine to study the relationships among axial stress, strain, confining pressure and circumference deformation.