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3.2km Precast Segmental Constructed Viaduct - Viaduct V5c, Gautrain Rapid Rail Link

 3.2km Precast Segmental Constructed Viaduct - Viaduct V5c, Gautrain Rapid Rail Link
Autor(en):
Beitrag für IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, veröffentlicht in , S. 562-563
DOI: 10.2749/222137810796025771
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The Gautrain Rapid Rail Link is a state-of-the-art rapid rail network currently under construction in Gauteng, South Africa. Viaduct V5c is a 3,2km long segmental construction and is mostly founded...
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Bibliografische Angaben

Autor(en):
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Veröffentlicht in:
Seite(n): 562-563 Anzahl der Seiten (im PDF): 8
Seite(n): 562-563
Anzahl der Seiten (im PDF): 8
Jahr: 2010
DOI: 10.2749/222137810796025771
Abstrakt:

The Gautrain Rapid Rail Link is a state-of-the-art rapid rail network currently under construction in Gauteng, South Africa. Viaduct V5c is a 3,2km long segmental construction and is mostly founded in material overlying dolomite bedrock.

The route for viaduct V5c is generally underlain by dolomitic ground with occasional syenite intrusions. The area is well known for the risk of sinkhole and doline formation due to the erodibility of the in situ soil. Sinkholes inherently pose a risk to the rail service and (if left untreated) may potentially have catastrophic consequences.

This paper will reflect on the considerations behind the choice of structural type and associated construction method. The paper will focus on the key aspects pertaining to the final geotechnical solutions & structural design, associated with viaduct V5c.

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