Already 50% of the second tube at El Melón Tunnel on Ruta 5 Norte has been excavated
Chile's El Melón Tunnel's new tube is 2.8 kilometers long. Already 54% has been excavated. http://web.observador.cl/segundo-tunel-el-melon-en-ruta-5-norte-ya-supero-el-50-de-avance/Mechanized excavation digging deeper into Chile’s infra, mining sectors
This is reportedly what the executives from German firm Herrenknecht say. https://www.bnamericas.com/en/news/mechanized-excavation-digging-deeper-into-chiles-infra-mining-sectorsKomatsu to start trial of a new TBM for for underground hard rock mining
...gh its subsidiary, Komatsu Cummins Chile Ltda. (KCC; President: Yasuji...ajor state-owned mining company in Chile, to collaborate on trialing a...Codelco's Chuquicamata Mine in Chile. Through trial use of the new...(Corporacion Nacional del Cobre de Chile) is a state-owned company in...Valdivia subfluvial tunnel (Chile) winning contractor criticized
" Find out exclusively how the company that designed the Levante bridge, questioned worldwide for its series of errors, managed to impose its project on the outgo...
cover tunnel photo by: Matt Brown from London, England / CC BY
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