South America - Page 1
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Buenos Aires settlement control The Arroyo Maldonado tunnel project in Buenos Aires, Argentina aims to prevent the floods that periodically inundate the surrounding area of the Rio de Plata river. Some 15km of tunnels are located in difficult urban areas with little overburden. Enrico Dal Negro, Alessandro Boscaro and Richard Schulkins of the Mapei Underground Technology Team explore the difficulties
Chile mine rescue In 2010 the world was gripped by an unfolding drama as tense as the Apollo 13 crisis of some 40 years earlier. This time the story was much closer to home in Chile, though, as it turned out, the challenges proved at least as great to resolve and no less remote. At February’s joint meeting between the BTS and Minsouth, mine rescue expert Brian Robinson gave a presentation on the rescue operation and its implications for past, present and future underground works
Crafting Cheves Hochtief is constructing the Cheves hydro project, in Peru, which involves a range of tunnelling challenges, reports technical journalist Patrick Reynolds
A Brazilian perspective Focusing on Brazil, the largest economy in Latin America and the recent host of the Third Brazilian Congress on Tunnels and Underground Structures, Alex Conacher speaks with Hugo Cássio Rocha, president of the Brazilian Tunnelling Committee