Based on concrete carbonation model and rust corrosion model, the reliability and the time dependent failure probability of tunnel lining are analyzed by Monte Carlo stochastic finite element method.

• 摘要基于混凝土碳化随机模型和钢筋锈蚀模型，利用蒙特卡洛随机有限元的方法计算了既有隧道衬砌可靠度和基准期内的失效概率；