slab track system Öbb–porr elastically supported track base plate

www.porr-group.com

10/11/2011

Sofia

ÖBB–PORR Slab Track System with Elastically Supported Track Base Plate

Advisor: Jörg Fenske, Dipl.-Ing.

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Slab Track System ÖBB–PORR Elastically Supported Track Base Plate

www.porr-group.com

Angela Kuo Porr Bau GmbH Railway Division

www.porr-group.com

10/11/2011

Sofia


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Slab track development in Austria

Construction (space requirements,...)

Method (sensitivity of laying,...)

Quality (track set, acoustics,...)

Economy

The ÖBB–PORR elastically suspended track support layer is now the STANDARD SYSTEM in Austria

www.porr-group.com

10/11/2011

Sofia


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Main element

- track base plate -

(TBP)

System Design

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10/11/2011

Sofia


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operating characteristics of

elastic separation layer

System Design

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10/11/2011

Sofia


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• Low construction dimensions

>43

0

Vergussbeton

40

Cross-section through pouring aperture Querschnitt durch Vergussöffnung

Vergussbeton

40

Cross-section beside pouring aperture Querschnitt neben Vergussöffnung

1.600 1.700

3.300

1.730 1.570

1.520

86.0 66.0 94.01.680

74.0

78

.04

5.5

32

.5

Gle

isac

hse

Tu

nn

ela

chse

Vergussbeton

G le istragpla tte

Schotterauffü llung

+0,18

-0.60

SO K ±0.00

• High degree of prefabrication

System Design

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10/11/2011

Sofia


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Construction process

Construction

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10/11/2011

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Phase 1

• Elastomeric layer• Drainage formwork• Endstops• Reinforcement mat• Earthing rod

Construction

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10/11/2011

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Phase 2:

• Track base plates• Rail installation• Track positioning

Construction

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10/11/2011

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Phase 3:

• Formwork• Reinforcement cage• Concreting with SCC• Surveying of track

Construction

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10/11/2011

Sofia

Precision of Track Base Plate


+/- 0,3 mm tolerance for precast

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10/11/2011

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Description of the system

High-speed tests:

V 300 km/h

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10/11/2011

Sofia


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System Developments Transitional Areas with System ÖBB-PORR

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10/11/2011

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Options

Highly-modular formwork to produce variable dimensions according to the project‘s requirements

Standard 5.16 m

Variation X m Variation Y m

2.4

m

2.1

m

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10/11/2011

Sofia


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Schallabsorber

S chnitt A -A

FührungsschieneAdapterp latte

Ausgle ichsplatte

E lastom ere A usgle ichsplatte

E lastom ere Ausgle ichsplatte

G ew indestange

G rundplatte

Ankerstange

S chnitt B -B

G leism agnet

Fahrsperre

Beschichtete Bew ehrungz.B . m it AG R O VAN 209 in FTG S-Bere ichen

S trom schienenträger R EH AUhöhenverste llbar

Adapterp latte

Ausgle ichsplatte


Adapterp latte

Ausgle ichsplatte


S chnitt C -C

• Noise absorbers fit for traffic

• Guard rails

• Emergency breaking system

• Track magnets

• Power rails

Options

Track equipment:

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10/11/2011

Sofia


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Options

Accessible noise dampers for emergency road vehicles

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10/11/2011

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till 1,80 m

Large openings

823

U nterbeton

SO K 0.00

-1.32

Entw ässerungsrohr

Tübbing

16

-1 .55

G efällebeton

1.836

1.800

-0.47

1.80050 50

30 302 2

18 18

Aussparung 1800/700

R iffe lb lech 7/9 feuerverzinkt

W inkelprofil feuerverzinktE lastische Beschichtung

G le istragplatte

Vergussbeton

Options

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10/11/2011

Sofia


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Derailment repair

Repair and replacement

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10/11/2011

Sofia


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Repair and replacement

Replacement concept

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10/11/2011

Sofia


Adjustment of settlements (large)

Adjustment using Track Base Plate

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10/11/2011

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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

Slab TrackBallast Track

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Sofia


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• On 25 bridges

• 5.6 km of slab track

• With mass-spring-system• 4 Turnouts in slab track• 6 bridge expansion joint

construction• 50 transitional

construction

Berlin Lehrte station

East–West connection

Slab track projects

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10/11/2011

Sofia


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• In tunnel

• 20 km of slab track

• 13 km of light, medium & heavy MS systems

• 49 turnouts in slab track

Slab track projectsBerlin Lehrte station

north-south connection

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10/11/2011

Sofia


Slab track projectsVienna – St. Pölten

High Speed Connection

• 73 km of slab track

• Mass-spring-systems

• Earthwork

• Bridges

• Tunnels

• In construction until 2012

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10/11/2011

Sofia

High Speed Line VDE 8.2 Erfurt – Leipzig / Halle 90km x 2 (180km slab track)

24 VDE 8.2 Neubaustrecke Erfurt - Leipzig/Halle

(6.970 m) (6.466 m) (2.082 m)

(577 m) (1,012 m) (248 m) (2,668 m) (297 m) (6,465 m / 2,112 m)

16% on bridges 14,5 (29 km)17% in tunnels 16,5 (31 km)67 % earthwork 60,5 (121 km)

ÖBB–PORR Slab Track System with Elastically Suspended Track Support Layer

Slab track projects

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10/11/2011

Sofia

Tauern Tunnel

Slab TrackBallast Track

Arlberg Tunnel Berlin North-South Connection

Emergency Vehicle Access

Mass-Spring-Systems Noise dampers

Tauern Tunnel

Over 270 km track reference


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10/11/2011

Sofia


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Advantages of the system

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

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10/11/2011

Sofia


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Thank you for your attention!

slab track system Öbb–porr elastically supported track base plate

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