【摘要】 依据"弹性—粘弹性"对应性原理,通过弹性数值正分析结果较方便地获得粘弹性反分析的等效弹性模量,用开尔文—伏尔特模型来近似模拟围岩的粘弹性参数,采用优化的方法分离出粘弹性参数,实例计算结果表明,应用该方法所获得的粘弹性模型的精度能够满足工程需要,反分析成果是可用的。更多还原

【Abstract】 According to elastic and viscoelasticity corresponding principle,the equivalent elastic ratio of viscoelasticity analysis was obtained conveniently by elastic numeric analysis,the viscoelasticity parameters were simulated with Kelvin-Voigt model and viscoelasticity parameters were separated by optimized method.The practical example calculation result indicated that viscoelasticity model by the method can satisfy engineering need and the opposite analysis achievement was feasible.更多还原