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Abstract: The concept for Brooklin Station consists of five circular intersecting shafts, with a diameter of 35m, 30m in depth, and a total excavation surface of 4250 m². Water control and management is fundamental as the entire Brooklin Station area is near a contaminated zone, making any dewatering process impossible to execute. Since the water level is near the surface, structural demand is also very...
Abstract: The São Paulo Metro line 5 involves different typical construction methods for the stations: cut&cover (in the configuration bottom-up and top-down), mined underground stations excavated with the NATM, multi-secant large diameter shafts. Special constraints at the Brooklin station site of the São Paulo Metro line 5 (polluted multilevel aquifers, reduced spaces for the construction site,...