www.porr.ro 29/09/2011 bucuresti Öbb–porr slab track system with elastically supported track base...
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www.porr.ro
29/09/2011
Bucuresti
ÖBB–PORR Slab Track System with Elastically Supported Track Base Plate
Advisor: Jörg Fenske, Dipl.-Ing.
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Technologies and Solutions for modern railways
www.porr.ro PORR Construct SRL - Gigi Gavrilla
www.porr.ro
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Bucuresti
Technologies and Solutions for modern railways
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• Introduction of PORR Group
• Slab track system
• Anchored High Performance Netting
Overview
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PORR - Group
• Leading Austrian construction company
• 140 years of tradition
• 11,880 staff and skilled workers in 16 countries
• 2,9 Billion Euro gross revenue per year
• All-in-one: Investor, Planner, Constructor, Operator
Technologies and Solutions for modern railways
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PORR in Europe
Technologies and Solutions for modern railways
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Structure of PORR Group
*) Industrial leadership
Technologies and Solutions for modern railways
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PORR – Tunnel Construction
Technologies and Solutions for modern railways
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PORR – Bridge Construction
Technologies and Solutions for modern railways
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PORR – Rail Construction
Technologies and Solutions for modern railways
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PORR Construct SRL - Romania
Technologies and Solutions for modern railways
current projects in progress
• JV Arad Bypass – highway construction• Campina-Predeal Section – railway construction• JV Petrobrazi – railway construction
• Alpha Windpark Casimcea - civil construction
• Bioremediation Plants - environmental construction• Landfills - environmental construction• Gura Humorolui Ski Slope - earth / civil construction• Vatra Dornei Ski Slope - earth / civil construction• Rachitele turistic access - road construction• …etc.
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PORR – Slab Track Systems
Technologies and Solutions for modern railways
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Slab track system – Why ???
Construction (space requirements,...)
Method (sensitivity of laying,...)
Quality (track set, acoustics,...)
Economy
Technologies and Solutions for modern railways
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Slab Track
Slab track system - Track Alignment Quality
Technologies and Solutions for modern railways
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Austria – Tauern Tunnel
• 10 km of slab track• In tunnel• Reduction of track gradient• Increased tunnel clearance
• Construction during single-track operation
Slab track projects
Technologies and Solutions for modern railways
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Austria – Arlberg Tunnel
• 20.8 km of slab track
• Double track old tunnel • 3.5m between track
centerlines • Widening tunnel
clearance
• Installation water supply line
• Track accessible for emergency road vehicles
Slab track projects
Technologies and Solutions for modern railways
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• Slab track system provider since 1989
• 18 projects at approx. 70 km mass-spring systems
• 30 slab track projects at over 270 km total length
• Approx. 120 turnouts in slab tracks
• 50 track interface constructions at bridge joints
• Slab track in tunnels / on bridges / on open land
• 6 rail expansion joints in slab track
• Slab track for heavy rail / urban railway / subway
Technologies and Solutions for modern railways
Slab track system - Experience
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Slab track system - Advantages
Large openings possible
Even surfaced concrete quality
Little reworking
High added value
High degree of prefabrication
High early strength of SCC
Great driving comfort
Small construction dimensions
Low maintenance
Repair and replacement plan
High track precision
Structural-born noise and vibration control
Fast installation
Settlement adjustments possible
Technologies and Solutions for modern railways
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Technologies and Solutions for modern railways
Slope protection – Anchored Netting
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• Elastic-plastic Deformation
• Requires FE-Analysis
• Requires Certifications
• Future with pretensionedanchor systems
Technologies and Solutions for modern railways
Slope protection – Anchored Netting
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Technologies and Solutions for modern railways
Slope protection – Anchored Netting
www.porr.ro
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Seeding and plants structure
Low rate of work sequences
No limitation on slope surfaces
No limitation an anchor
systems
Low weight of material
Flexible System
Structural-born low construction costs Fast installation
Environmental Protection
Technologies and Solutions for modern railways
Anchored Netting - Advantages
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Thank you for your attention!
Technologies and Solutions for modern railways