Search Results: 'Odebrecht'

Rio realised
03 October, 2014
Cutting under the dense urban environment of Rio de Janeiro’s southern and western sprawl is calling for a mix of measures, from drill and blast with shotcrete lining, to segmentally lined TBM drives. The mixed ground showed its complexity with a sinkhole earlier this year, but careful monitoring and quick response is keeping the project on track for the 2016 Olympic Games. Technical journalist Rhian Owen reports