Ochrona przed obrywami skalnymi

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1 Ochrona przed obrywami skalnymi SAN SALVATORE, CH

2 SAN SALVATORE Ochrona przed obrywami skalnymi Projekt Lokalizacja Kraj / region San Salvatore San Salvatore, Lugano Szwajcaria Rok Instalacji / montazu 2016 Inwestor Projektant Wykonawca FFS - Ferrovie Federali Svizzere, Berna Studio Bonalumi Ferrari Partener SA, via Campagna 2, Giubiasco Ennio Ferrari SA Lodrino Opis sytuacyjny projektu The special nature of the southern slopes of Monte San Salvatore, which divide the city of Lugano (Switzerland) and the southernmost part of the canton of Ticino, has necessitated the installation of various types of last-generation rockfall barriers (model RXE-) used by Geobrugg. Geologists refer to the southern face of Monte San Salvatore as a very jagged and unstable limestone crag. Two communication arteries of national importance run at its base, on the southern slopes. The Gotthard line of the Swiss Federal Railway runs along the lower section, by the lake, and, just above leads the state highway from the town of Melide to the southern entrance of the city of Lugano. The need to ensure a high standard of safety for these fundamental communication routes required urgent intervention to restore the barriers that had been destabilised during an event in the autumn of 2015, as well as additional protective measures. Opis zastosowanego rozwiazania The range of the rockfall barriers extends from RXE-1000 (6 meters high) to the RXE-3000 (7.5 m high). Determining the height of the retention system was an important part of the studies due to the vast height of the face (approx meters), where unfortunately rocks fall regularly from the summit. These rocks pick up great speed on the way down and generate an extremely powerful rebounding effect which, if not stopped in time, could pose serious risks to the users of the two arteries at the bottom and the infrastructures themselves. The action taken, part of a much wider project for securing the whole area, has demanded the exemplary coordination of the players involved and a study of the terrain for variants and guiding lines that are not evident due to the particularly complicated geomorphological situation in the area. The intervention, coordinated between the client (Swiss Federal Railways), the engineering company (Bonalumi Ferrari Partener SA), the installation company (Ennio Ferrari SA and Geotechnics SA) and the manufacturer (Geobrugg AG) has guaranteed the maximum safety once more in a reasonably short period of time and to the full satisfaction of the client. (Foto: Mario Curti) Chroniony obiekt Road, Railway Ochrona przed obrywami skalnymi San Salvatore, CH 2/8

3 Zastosowane systemy Inne zainstalowane aplikacje RXE-1000, RXE-2000, RXE-3000 Stabilizacja skarp Zabezpieczenie przeciwkorozyjne Galvanized, GEOBRUGG SUPERCOATING, GEOBRUGG ULTRACOATING Wytrzymalosc systemu Wysokosc ochronna systemu 2000 kj, 3000 kj, 1000 kj 6.0 m, 7.5 m Ochrona przed obrywami skalnymi San Salvatore, CH 3/8

View of the railway line and the rockfall

Underpinning foundation for the plinth of

4 View of the railway line and the rockfall barriers on the right Concrete underpinning to support dangerous rock piles; higher up, a cantilever platform for carrying out the work Underpinning foundation for the plinth of rockfall barriers Ochrona przed obrywami skalnymi San Salvatore, CH 4/8

5 View from above of the work site and the road artery below Rockfall barrier RXE-3000 Detail of the foundation plate for the RXE-3000 barrier Ochrona przed obrywami skalnymi San Salvatore, CH 5/8

Blocking fence made in this specific case from the ROCCO ring net and

downstream barrier View from the mountain facing south; in the

6 Blocking fence made in this specific case from the ROCCO ring net and the selective wire netting DELTAX View from below of the rockfall barrier RXE-3000 (7.5m high) and in the foreground the top anchors against the wind of the downstream barrier View from the mountain facing south; in the background the town of the Bissone and more to the left the Campione d'italia Ochrona przed obrywami skalnymi San Salvatore, CH 6/8

Panoramic view from the west facing Porlezza (Como) and Valtellina;

characterises the gulf of Lake Lugano In the foreground, an

yellow, the Sentinell sensor system which monitors for the the

7 Panoramic view from the west facing Porlezza (Como) and Valtellina; in the foreground, Monte Bré, which, with San Salvatore, characterises the gulf of Lake Lugano In the foreground, an additional downslope anchor, located at a curve of the barrier In yellow, the Sentinell sensor system which monitors for the the rockfall barriers for the Swiss Federal Railways Ochrona przed obrywami skalnymi San Salvatore, CH 7/8

Alexander Barinov, Geographer PhD Phone +7 495 760 72 38 Mobile +7 985 760 72 38 Alexander.

8 Cleaned and revegetated work site area W celu uzyskania dokladniejszych informacji skontaktuj sie z naszym Przedstawicielem. Alexander Barinov, Geographer PhD Phone Mobile Alexander.Barinov@geobrugg.com Generala Dorokhova st Moscow Rosja info@geobrugg.ru Ein Unternehmen der Gruppe BRUGG ISO 9001 zertifiziert Ochrona przed obrywami skalnymi San Salvatore, CH 8/8

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