Spezial Fahrweg Diagnosewagen SFD 200

GeoRailXpress• high resolution line camera-systems• laser distance sensors• high measurement velocity• exact, absolute point assignment of all systems• long control sections• all systems are digital

Technical Data

Total length to buffer: 26 400 mWidth: 2 825 mmHeight: 4 095 mmTotal own weight: 56 tNumber of axles: 4Permissible speed: 200 km/h

Complete system

Camera-cell in comparison to a coint

Softwaretool zur ergänzenden und parallelen (händischen) Auswertung der Risserkennung, um eine vollständige Aussage zur Qualitätskontrolle zu gewährleisten.

CrackControl

ManDetectgeladene 4 Kamerabilder (eine Schwelle) in einer Bearbeitungs- und Detektierungssoftware

2005 2006

Beispiel für die Rissentwicklung auf Betonschwellenüber einen Zeitraum von 3 Jahren

2003 20042005

Monitoring

2004

2005

2003

Vergrößerung

Vergrößerung

01/2003 11/2003

01/2003

11/2003

Beispiel für die Rissentwicklung auf fester Fahrbahn

VisualControl• 2 CCD cameras with solid focal length (side documentation)• 2 zoomable CCD-color-cameras mounted on swivelling systems• 4 top-level lighting systems

Right side camera left side cameraCamera with view to rear track

Pictures out of the video documentation of three camera-systems of GeoRailXpress

Documentation of:

track surroundings, signal view, condition of buildings, drainage

276

278

279

GeorailXpress

281

Layer boundaries

Ballast slumps

Moist areas

Voids

Dirt horizons

Compact layers

Complete equipment fitted on a vehicle of the Rhätische Bahn, Switzerland (photo october 2004)

GPS, Leica

digital-camera, Basler

400 MHz-TEM-Horn

Leica GPS system with receiver forreference data (ASCOS)

Central-PC und Kamera-system (Basler)

Technical details

Data filtered Data non-filtered

railwayside

track axis

ballastloupe1000 MHz-beamer

fieldside

Layer homogeneous and regular.

Ballast layer and sand layer are not regular!

Lower edge of ballast

PSS (sandlayer)

Subsoil

Upper edge of rail Upper edge of ballast

Data taken with 1000 MHz horn beamers for quality control.

ungefiltert gefiltert

Regelaufbau

kleine Mulde in UK Schotter

Regelaufbau – UK Schotter und UK PSS verlaufen parallel; in welche Richtung läuft das Wasser?

2580 Düren – Neuss, Gleis e

0 cm = OK Schwelle

0,45 cm = UK Schotter

0,77 cm = UK PSS

0 cm = OK Schwelle

0,57 cm = UK Schotter

0,87 cm = UK PSS

10 m

Schotterschicht

PSS

Alustreifen definieren die Unterkanten von Schichtgrenzen, Hyperbeln oberes Bild

Alustripes define the lower edge of PSS, see red markers

Contamination layer within the ballast.

The yellow arrow inside the radargram correlates with the line within the photo

Examples of three parallel profiles recorded on a track in Switzerland; The list boxes beside the radargrams show the possible details for half-automatic evaluation and interpretation

Databank sheet with filterdsignatures of subsoil andsuperstructure

GeoRail Report - Legend

2D-presentation of all results; This 2D contains nearly all relevant track parameters, incl. GPS and Video

Measurement ResultEvaluation and interpretation

Data processing

– 4 profiles each track

• track axis

• field and railway side

• ballast loupe

– > 80 km/h

– standard > 1:250

– GPS-controlled

data collection

digital video-documentation

Penetration depth

down to 4 m

– Viewer and print program for Radar data

– 2D-program with

• layer boundaries

• direct samples

• track geometry (rail hights)

• digital video

• databank

• all data on DVD or harddisk

• crossprofile

• compatible to AutoCad

• consulting

• report

– Proposal sampling program

– Carry out samplings

– Representation of sampling

graphics inside radargrams

for calibration

– Scanning of all visible layers

– visual raw diagnosis

• Contineous discription of all profiles for example:

– Ballast slumping

– troughs

– contaminated layers

– layer boundaries

– track bed compaction

– moist areas

– sinkholes

– metre precise assignment with

track kilometres

and GPS

– Implementation of:

• buildings

• kilometre-jumps

• rail hights

– Raw data

• filtered

• magnified

• synchronized

Methodology