1. www.porr.ro 29/09/2011 Bucuresti ÖBB–PORR Slab Track System with Elastically Supported Track Base Plate Advisor: Jörg Fenske, Dipl.-Ing. 1 Technologies and Solutions for modern railways www.porr.ro PORR Construct SRL - Gigi Gavrilla

2. www.porr.ro 29/09/2011 Bucuresti Technologies and Solutions for modern railways 2 Introduction of PORR Group Slab track system Anchored High Performance Netting Overview

3. www.porr.ro 29/09/2011 Bucuresti 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

4. www.porr.ro 29/09/2011 Bucuresti 4 PORR in Europe Technologies and Solutions for modern railways

5. www.porr.ro 29/09/2011 Bucuresti 5 Structure of PORR Group *) Industrial leadership Technologies and Solutions for modern railways

6. www.porr.ro 29/09/2011 Bucuresti 6 PORR – Tunnel Construction Technologies and Solutions for modern railways

7. www.porr.ro 29/09/2011 Bucuresti 7 PORR – Bridge Construction Technologies and Solutions for modern railways

8. www.porr.ro 29/09/2011 Bucuresti 8 PORR – Rail Construction Technologies and Solutions for modern railways

9. www.porr.ro 29/09/2011 Bucuresti 9 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.

10. www.porr.ro 29/09/2011 Bucuresti 10 PORR – Slab Track Systems Technologies and Solutions for modern railways

11. www.porr.ro 29/09/2011 Bucuresti 11 Slab track system – Why ??? Construction (space requirements,...) Method (sensitivity of laying,...) Quality (track set, acoustics,...) Economy Technologies and Solutions for modern railways

12. www.porr.ro 29/09/2011 Bucuresti 12 Slab Track Slab track system - Track Alignment Quality Technologies and Solutions for modern railways

13. www.porr.ro 29/09/2011 Bucuresti 13 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

14. www.porr.ro 29/09/2011 Bucuresti 14 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

15. www.porr.ro 29/09/2011 Bucuresti 15 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

16. www.porr.ro 29/09/2011 Bucuresti 16 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

17. www.porr.ro 29/09/2011 Bucuresti 17 Technologies and Solutions for modern railways Slope protection – Anchored Netting

18. www.porr.ro 29/09/2011 Bucuresti 18 Elastic-plastic Deformation Requires FE-Analysis Requires Certifications Future with pretensioned anchor systems Technologies and Solutions for modern railways Slope protection – Anchored Netting

19. www.porr.ro 29/09/2011 Bucuresti 19 Technologies and Solutions for modern railways Slope protection – Anchored Netting

20. www.porr.ro 29/09/2011 Bucuresti 20 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

21. www.porr.ro 29/09/2011 Bucuresti 21 Thank you for your attention! Technologies and Solutions for modern railways