Kishanganga | India
Diametro scavo
6,10 m
Lunghezza tunnel
14.630 m
Geologia
Basalto, andesite, siltite, granito, granodiorite
Tipo di supporto
Conci prefabbricati
Completato nel
2014
Committente
Hindustan Construction Company Ltd
Completato con produzioni record l’unico progetto di scavo meccanizzato di gallerie realizzato con successo sotto le grandi coperture della catena dell’Himalaya.
Per questo progetto SELI Overseas ha sviluppato il design di un nuovo tipo di TBM a Doppio Scudo Telescipico, la “Double Shield Universal”, con scudi molto conici, grande capacità di spinta e di overcutting.
Questo nuovo design ha consentito di superare senza rallentamenti le formazioni spingenti e convergenti tipiche della catena dell’Himalaya e delle grandi coperture sotto le quali si sviluppava il tracciato della galleria.
Questo progetto ha reso possibile la realizzazione di gallerie fino a ieri ritenute impossibili.
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