Numerical Simulation of Frozen Construction of a Connected Aisle in Tianjin Metro

The three-dimensional model for the connected aisle in Tianjin metro No.1 line is established to study the mechanical behavior of the frozen wall in design temperature and thickness as well as the influence of soil excavated inside the connected aisle step by step on the frozen wall and ground subsidence by using three-dimensional finite element numerical simulation method.The research demonstrates the safety of the design parameters;and the numerical analysis is dependable.