Abstract
Aiming at the complexity, dynamics and special safeness of the construction process for tunnel shield, we applied the computer dynamic simulation technology into the whole-process simulation realization for shield construction, constructed 3D virtual simulation platform based on OpenInventor technology and gave the overall framework of the system; in the paper, the soil dynamic simulation model in the process of tunneling operation was researched and ground settlement computation model was constructed, and the relative arithmetic was given. The whole process of shield construction was emulated dynamically and the situation of the soil change and the ground surface settlement were analyzed and feedback in time, and the actual construction process was controlled and guided availably by coordinating with configuration software. At last, we took the new construction project of Xianxia West Road in Shanghai Hongqiao comprehensive communication hub as application background and verified by test running, the result indicated that the simulation system satisfied the construction request on the scene of tunnel. It explained the feasibility of simulation technology and simulation model, and provided aided decision-making means for risk controlling of actual shield construction process.
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