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123:(for Vorspann System Losinger) is a specialist construction company founded in 1954. VSL contributes to engineering, building, repairing, upgrading and preserving transport infrastructure (bridges, tunnels, retained earth walls for roads), buildings and energy production facilities. Based in Switzerland, VSL is owned by French construction company
134:, stay-cable systems and heavy lifting, while its subsidiary Intrafor focuses on ground engineering and foundations. The company has also developed its proprietary systems, mostly related to post-tensioning and stay-cable, and has 370 patents.
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The patent of this wire-based system was registered in 1954 and
Vorspann System Losinger was created to help develop this activity. The patent was first applied in 1956 for the construction of the Pont des Cygnes bridge in Yverdon, Switzerland.
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VSL's activities are organized in 4 business lines to engineer, build, repair, upgrade and preserve transport infrastructure (bridges, tunnels, retained earth walls for roads), buildings and energy production facilities:
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in
Switzerland, where the company was founded. In 2015, Jean-Yves Mondon was appointed chief executive officer. VSL operates in more than 30 countries, mostly in Asia, Oceania, the Middle East, Europe and South America.
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In 1966, VSL launched its strand post-tensioning system. In 1978, VSL's stay cable system was installed for the first time on the Liebrüti bridge in
Kaiseraugst, Switzerland.
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In 1943, the Swiss construction company
Losinger started to build post-tensioned bridges and began the development of its own post-tensioning system.
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Repair, strengthening and preservation, including structural diagnostic, upgrade and retrofitting (de-icing, fire protection…) and monitoring.
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While the company developed internationally from the 1970s, in 1991, VSL joined the
Bouygues group following the purchase of Losinger.
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Systems and technologies: post-tensioning systems, stay cables, damping systems for buildings and civil works, bearings and joints.
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Ground engineering: foundations, ground improvement, ground investigation, mechanically stabilised earth walls, ground anchors.
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VSL also provided heavy lifting (with hydraulic jacks) for fifteen segments of the CMS detector of the
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Construction: bridges, buildings, containment structures, offshore structures, heavy lifting.
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Second
Gateway Bridge / Gateway Bridge duplication, in Brisbane, Australia (2010)
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577:"Bouygues Construction a achevé l'installation des haubans du pont de Baluarte"
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Among the most important projects VSL has carried out or taken a part in are:
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1 technical centre with offices in
Switzerland, Singapore, Hong Kong and Spain
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Construction and civil engineering companies established in 1954
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Petronas Towers's sky bridge, in Kuala Lumpur, Malaysia (1995)
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In 2001, VSL diversified its activity to ground engineering.
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Construction and civil engineering companies of
Switzerland
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Hodariyat Bridge, in Abu Dhabi, United Arab
Emirates (2012)
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603:"Baluarte, le plus haut pont à haubans de la planète"
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3 manufacturing plants (in China, Spain and
Thailand)
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500:"Ouverture du pont de Tsing Ma, à Hong Kong"
389:replacement, in Auckland, New Zealand (2012)
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365:Venitian Macao resort hotel, China (2007)
108:Learn how and when to remove this message
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526:"Petronas Towers (Kuala Lumpur, 1998)"
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46:adding citations to reliable sources
646:Swiss companies established in 1954
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204:Foundations and ground engineering
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575:Moniteur, Le (14 February 2012).
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412:Other known projects include:
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479:Category:Cable-stayed bridges
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551:"Burj Al Arab (Dubai, 1999)"
601:Batiactu (3 January 2013).
498:Moniteur, Le (9 May 1997).
404:Cable-stayed bridge on the
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290:Workforce: 4,000 employees
350:Burj Al Arab hotel (1997)
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661:Companies based in Bern
429:Kai Tak Cruise Terminal
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132:post-tensioned concrete
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190:Jean-Yves Mondon (CEO)
467:Large Hadron Collider
399:Bandra–Worli Sea Link
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226:Number of employees
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130:VSL specialises in
57:"VSL International"
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406:Mumbai Metro
362:, UAE (2006)
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293:Patents: 370
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176:Areas served
159:Headquarters
146:Construction
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40:Please help
35:verification
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612:30 December
586:30 December
581:Le Moniteur
560:30 December
535:30 December
510:30 December
506:(in French)
504:Le Moniteur
455:, Australia
449:, Hong Kong
431:, Hong Kong
360:Dubai Metro
285:Key figures
200:Stay cables
169:Switzerland
640:Categories
555:Structurae
530:Structurae
485:References
304:Activities
186:Key people
68:newspapers
443:, Vietnam
437:, Vietnam
208:Buildings
180:Worldwide
651:Bouygues
607:Batiactu
473:See also
327:Projects
219:Bouygues
195:Services
143:Industry
125:Bouygues
251:History
235:Website
210:Repairs
151:Founded
82:scholar
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230:4,000
215:Owner
89:JSTOR
75:books
614:2019
588:2019
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537:2019
512:2019
278:Bern
242:.com
164:Bern
154:1954
61:news
631:VSL
240:vsl
44:by
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