{"id":3794,"date":"2026-04-22T10:13:07","date_gmt":"2026-04-22T08:13:07","guid":{"rendered":"https:\/\/www.igeas.com\/?post_type=realizzazioni&p=3794"},"modified":"2026-04-22T10:17:16","modified_gmt":"2026-04-22T08:17:16","slug":"design-and-execution-of-civil-works-trackworks-electric-traction-systems-and-yard-signalling-interlocking-is-systems-for-the-doubling-of-the-firenze-viareggio-railway-line-pistoia","status":"publish","type":"realizzazioni","link":"https:\/\/www.igeas.com\/en\/projects\/design-and-execution-of-civil-works-trackworks-electric-traction-systems-and-yard-signalling-interlocking-is-systems-for-the-doubling-of-the-firenze-viareggio-railway-line-pistoia\/","title":{"rendered":"Design and execution of civil works, trackworks, electric traction systems and yard signalling\/interlocking (IS) systems for the doubling of the Firenze\u2013Viareggio railway line, Pistoia\u2013Montecatini Terme section."},"content":{"rendered":"

Project objective<\/strong><\/p>\n

The contract concerns the railway section between the stations of Pistoia and Montecatini (stations excluded) and includes trackworks from km 0+520 to km 11+700.
\nThe double-track section, approximately 12 km long, provides for the construction of the second track largely alongside the existing track, except for a section of approximately 2,550 m (\u201cSerravalle variant\u201d), for which a new alignment is foreseen for both tracks.
\nAlong the section, numerous structures are present: bridges and viaducts for crossing the main and secondary watercourses and the flood expansion basins of the Ombrone River, as well as the underground crossing of the mountainous relief (the \u201cSerravalle\u201d tunnel between km 6+257 and km 7+928). The civil works for the tunnel were developed at Executive Design stage by IGEAS Engineering S.r.l.<\/p>\n

Main works<\/strong><\/p>\n

Serravalle Tunnel<\/em>
\nThe new tunnel comprises two distinct natural tunnel sections separated by a wide intermediate section (intermediate window) of artificial tunnel, as well as two artificial tunnel sections at the ends.<\/p>\n

Artificial tunnel \u2013 Pistoia side<\/em>
\nDella lunghezza di circa 174 m, prevede lateralmente il ricorso a paratie di pali \u00f8800 mm in c.a. per il sostegno degli scavi e una paratia tipo “berlinese” con micropali \u00f8300 mm per il sostegno del fronte di attacco della galleria naturale.<\/p>\n

Artificial tunnel \u2013 \u201cwindow\u201d<\/em>
\nApproximately 156 m long, with anchored \u00d8800 mm reinforced-concrete bored pile walls.<\/p>\n

Artificial tunnel \u2013 Montecatini side<\/em>
\nDella lunghezza di circa 174 m, prevede unicamente paratie tipo “berlinese” tirantate costituite da micropali \u00f8240 mm.<\/p>\n

Natural tunnel<\/em>
\nThe two natural tunnel sections are approximately 1,080 m and 218 m long.
\nBased on the different geomorphological and lithological conditions and the expected geological\u2013geomechanical framework along the alignment, the most appropriate pre-support \/ pre-consolidation measures were defined.<\/p>\n","protected":false},"featured_media":2207,"parent":0,"template":"","settore":[30,27],"class_list":["post-3794","realizzazioni","type-realizzazioni","status-publish","has-post-thumbnail","hentry","settore-underground-works","settore-geotechnical-engineering-and-rock-mechanics"],"acf":[],"yoast_head":"\nDesign and execution of civil works, trackworks, electric traction systems and yard signalling\/interlocking (IS) systems for the doubling of the Firenze\u2013Viareggio railway line, Pistoia\u2013Montecatini Terme section. - IGEAS Engineering S.r.l.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.igeas.com\/en\/projects\/design-and-execution-of-civil-works-trackworks-electric-traction-systems-and-yard-signalling-interlocking-is-systems-for-the-doubling-of-the-firenze-viareggio-railway-line-pistoia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Design and execution of civil works, trackworks, electric traction systems and yard signalling\/interlocking (IS) systems for the doubling of the Firenze\u2013Viareggio railway line, Pistoia\u2013Montecatini Terme section. - IGEAS Engineering S.r.l.\" \/>\n<meta property=\"og:description\" content=\"Project objective The contract concerns the railway section between the stations of Pistoia and Montecatini (stations excluded) and includes trackworks from km 0+520 to km 11+700. 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