Antero de Quental Station - Line 4
Construction of a base cap, occupying a surface area of around 5000 m², with a thickness of 8.50 metres and a depth of close to 22 metres, carried out at Antero de Quental station using Jet Grouting columns. Its main objective is to allow excavation to be carried out under conditions of greater safety, and to minimise the amount of water flowing into the site.Location: Rio de Janeiro
Country: Brazil
Year Completed: 2014