Construção Dos Túneis da Rodovia Dos Imigrantes - NATM #construçãocivil #engenharia #podcast
17 Jun 2025 · 0 min

0:05
The Imigrantes Highway, opened in 2002, has three massive tunnels through the Serra do Mar built using NATM, a method that uses the rock itself as support. The largest tunnel stretches over three kilometers; together they total more than eight kilometers of excavation.
Questions this video answers
2002.
Three tunnels.
NATM (New Austrian Tunnelling Method).
More than three kilometers long.
More than eight kilometers of perforation.










