1. No category

The Stockholm
Bypass Project
Jesper Niland
Technical Manager
Stockholm - A city on water
2
2015‐06‐04
Undersized traffic system
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2015‐06‐04
Regional development plan
The Stockholm bypass will:
• form an outer ring road
together with Norrortsleden
and Södertörnsleden
• link north and south and many
of the regional urban cores
• create a single market for
jobs, homes and services
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2015‐06‐04
The Stockholm Bypass
Total length:
21 km
Tunnel length: 18 km
Travel time:
15 minutes
No. of lanes:
3 in each direction
Junctions:
6
Traffic 2035:
140,000 vehicles/day
Construction: 10 years
Cost:
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2015‐06‐04
EUR 3.1 billion
(2009 price level)
Longitudinal section
Graphics: Tomas Öhrling 2010
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2015‐06‐04
General cross section
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2015‐06‐04
Rock tunnels in brief
• Length of main tunnels: 2 x 18 km
• Length of ramp tunnels: 14 km
• 6 main tunnel contracts
• 7 access tunnels
• Excavated rock: 19 million tons
• 3 temporary jetties for transport of
rock masses at sea
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2015‐06‐04
Construction method
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2015‐06‐04
Drilling for blasting
Pre-grouting
Scaling
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2015‐06‐04
Rock bolts and shotcrete
Logistics of rock masses
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2015‐06‐04
The Kungens kurva Junction
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2015‐06‐04
The Hjulsta Junction
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2015‐06‐04
Tunnel safety concept
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2015‐06‐04
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2015‐06‐04
Building Information Modelling
BIM – a natural part of
• the design work
• the tender documents
• the co-operation with contractors
• the as-built documentation
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2015‐06‐04
Procurement
Main contracts
Civil contracts:
6 Nos
Main tunnel contracts:
6 Nos
Access tunnel contracts:
2 Nos
Installation contracts:
5 Nos
The size of the main contracts varies
between 50-350 million Euro
A total of about 50 different contracts
International marketing of the project
17
2015‐06‐04
Betongbeläggning i Förbifart Stockholm
K1
K2
K3
Påfart
Avfart
Betong
Asfalt
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2015‐06‐04
K3
K2
K1
Betongbeläggning i Förbifart Stockholm
• Tjocklek beläggning 250 mm
• Längs‐ och tvärgående fogar
• Förankringsstänger i fogarna
• Utformning och material i princip enligt AMA 13
• Strukturbehandling av färdig vägyta
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2015‐06‐04
Betongbeläggning i Förbifart Stockholm
• Betongläggare av typen glidformsläggare
• Utförandeentreprenader
• Betongbeläggningar på broar enligt TRVK Bro
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2015‐06‐04