Found non-linear fatigue damage equation and fatiguefailurecriterion of concrete under variable amplitude load, and analyze the influence of loading sequence on total fatigue life;
建立了混凝土非线性疲劳损伤方程和变幅荷载下的疲劳破坏准则,分析了加载次序效应对总疲劳寿命的影响;
2
Used as a fatiguefailurecriterion, application of the model to the fatigue life prediction for the feeding spring of a medium calibre automatic naval gun proved to be comparatively satisfactory.
对数累积损伤模型作为—个失效判据,已在某中口径自动舰炮输弹簧的疲劳寿命预测中得到较满意的应用。
3
They are mainly concerned with the tensile and compressive behavior, energy absorption, dynamic impact, failurecriterion and constitutive relation, creep, fatigue and fracture of these materials.