Modeling and Simulation for Earth-pressure-balance Simulated Test System of Double-O-tube Shield Based on Constant-pressure-network

The simulation model of earth-pressure-balance system of single-O-tube shield based on constant-pressure-network was established and verified.On the basis of the model,the simulation model of earth-pressure-balance system of double-O-tube shield based on constant-pressure-network was established,by taking advantage of the previous simulation model which is not restricted by the physical condition.The simulation results show that the later model can basically realize the simulation of the situation of the simulated test system of double-O-tube shield.