Technologies and Solutions for modern railways

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Technologies and Solutions for modern railways

PORR Construct SRL - Gigi Gavrilla
www.porr.ro
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Technologies and Solutions for modern railways
Overview

• Introduction of PORR Group
• Slab track system
• Anchored High Performance Netting

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Technologies and Solutions for modern railways

• 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

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Technologies and Solutions for modern railways
PORR in Europe
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Technologies and Solutions for modern railways
Structure of PORR Group
) Industrial leadership
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Technologies and Solutions for modern railways
PORR Tunnel Construction
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Technologies and Solutions for modern railways
PORR Bridge Construction
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Technologies and Solutions for modern railways
PORR Rail Construction
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Technologies and Solutions for modern railways
PORR Construct SRL - Romania

• 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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Technologies and Solutions for modern railways
PORR Slab Track Systems
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Slab track system Why ???
Technologies and Solutions for modern railways

• Construction (space requirements,...)
• Method (sensitivity of laying,...)
• Quality (track set, acoustics,...)
• Economy

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Technologies and Solutions for modern railways
Slab track system - Track Alignment Quality
Slab Track
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Technologies and Solutions for modern railways
Slab track projects

• Austria Tauern Tunnel

• 10 km of slab track
• In tunnel
• Reduction of track gradient
• Increased tunnel clearance
• Construction during single-track operation

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Technologies and Solutions for modern railways
Slab track projects

• 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

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Technologies and Solutions for modern railways
Slab track system - Experience

• Slab track system provider since 1989

• 30 slab track projects at over 270 km total
  length

• 18 projects at approx. 70 km mass-spring systems

• 50 track interface constructions at bridge joints

• Approx. 120 turnouts in slab tracks

• 6 rail expansion joints in slab track

• Slab track for heavy rail / urban railway /
  subway

• Slab track in tunnels / on bridges / on open land

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Technologies and Solutions for modern railways
Slab track system - Advantages
Low maintenance
Settlement adjustments possible
Structural-born noise and vibration control
Repair and replacement plan
High track precision
Fast installation
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

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Technologies and Solutions for modern railways
Slope protection Anchored Netting
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Technologies and Solutions for modern railways
Slope protection Anchored Netting

• Elastic-plastic Deformation
• Requires FE-Analysis
• Requires Certifications
• Future with pretensioned
• anchor systems

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Technologies and Solutions for modern railways
Slope protection Anchored Netting
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Technologies and Solutions for modern railways
Anchored Netting - Advantages
Flexible System
Environmental Protection
Structural-born low construction costs
Fast installation
Seeding and plants structure Low rate of work
sequences
No limitation on slope surfaces No limitation
an anchor systems Low weight of material
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Technologies and Solutions for modern railways

• Thank you for your attention!