ABSTRACT
In the final stage of Line’s 5 tunnel construction—São Paulo Metro (Chácara Kablin Station—VSE Dionisio da Costa), by the use of TBM-EPB, a PAT (Plan for Advance of Tunnel) instrument has been generated for improving the previous referenced TBM face pressure, principally due to variation of the underground water level and to the new up-pressure contribution related to the load of a new building edified above the tunnel route, of 48 m height and with 2 underground levels of 7 m depth. The up-pressure contribution of the new building, in the face TBM pressure calculation, has been considered as part of the footing pressure, evaluate by model based on the theory of elasticity. The result of the TBM’s parameters recorded during the excavation, the monitoring data and the absence of building damage shows the integrity of the methodology used.
