外环线沉管隧道地震响应的三维数值模拟

3-D Numeric Simulation of Seismic Response of the Outer Ring Caisson Tunnel

为确保上海外环线沉管隧道的抗震安全,采用高性能计算机进行了沉管隧道地震响应的三维数值模拟研究,介绍了隧道的三维模型、计算参数,并对沉管隧道总体进行了地震响应分析。

In order to ensure the seismic safety of the Outer Ring caisson tunnel in Shanghai, computation of high accuracy and 3-D numeric simulation of the seismic response along the tunnel are performed, with a description of the 3-D model and parameters for computation, and an analysis of the seismic response of the overall tunnel.