介绍了基于GIS的隧道工程施工进度可视化仿真方法仿真模型；提出了基于可视化仿真的隧道工程 施工进度风险分析及决策方法，使施工资源优化；论述了基于可视化仿真的隧道工程施工进度S型曲线实时管 理与控制方法；最后进行了实例研究。

The methodology of visual simulation for tunnel engineering construction schedule is presented in this thesis.  Visualization of founding model,  calculation and result of construction schedule simulation are realized.  The simulate model of tunnel engineering construction schedule is founded.  Risk analysis and decision_making method of tunnel engineering construction schedule based on visual simulation are presented.  The resource optimization is conducted.  On the basis of studying the S curve theory and method of schedule management,  tunnel engineering construction schedule S curve real time management and control method based on visual simulation are presented. Practical engineering analysis is made.