Milano. Stefania è giunta nella stazione di Argonne della M4

Aprile 3, 2017 Redazione Cronaca, Lombardia, Milano

Tutto da programma. La talpa Stefania (nome attribuito dal sindaco Giuseppe Sala) è giunta nella stazione di Argonne della M4. La nuova metro di Milano continua a prendere forma. Stefania ha terminato la sua prima galleria.

Il percorso della TBM

Milano talpa Stefania La Tunnel Boring Machine era partita lo scorso 9 marzo dal cantiere del manufatto Sereni e ha scavato i 340 metri di galleria in 23 giorni lavorando tutti i giorni. La talpa scava con un diametro di 6,36 metri ad una profondità media di 15 metri. Ha posizionato i 243 anelli di calcestruzzo che compongono la galleria dispari della tratta, con una produzione media di 15 metri ogni giorno.

Sarà sottoposta a manutenzione. Poi la TBM andrà avanti verso il cantiere della stazione Susa-Manufatto Argonne.

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