a new method for high productive pre measuring of ballast tracks
DESCRIPTION
A new method for high productive pre measuring of ballast tracks. Andreas Sinning and Patrick Walke. [S-2265]. Content. Introduction Basics Classic methods for pre measuring New Method for pre measuring Workflow Field usage experience Outlook.TRANSCRIPT
A new method for high productive pre measuring of
ballast tracks
Andreas Sinning and Patrick Walke
[S-2265]
<< 2
Content Introduction Basics Classic methods for pre measuring New Method for pre measuring Workflow Field usage experience Outlook
<< 3
Needs for public transport Increasing individual transport
– Full roads / Limited road capacity
Demands on fast connections– Competition with flight connections
International connections– E.g. EU / Russia
Country development– China
Ecological way of transport– Low emission
<< 4
Investments EU
– more than 150.000 km existing tracks– 1/3 necessary to replace and increase the speed125 Billion EUR
Russia– Connections to Moskau
China– 18.000 km new high speed lines before 2020– Maintenance for 100.000 km ballast tracks
<< 5
New Lines– High Speed
connections Slab Track Ballast Track
Renewal of existing tracks– Higher speed– New Alignment
Maintenance– Sleeper replacement– Rail replacement– Tamping
Track Construction
tasks
Construction work– Provide data
<< 6
Documentation– Absolute track
information
Planning– Design– GIS
Acceptance inspection– Inner accuracy– Outer accuracy
Surveyingtasks
<< 7
Surveying for ballast tracks Inner accuracy
– Camber
– Long and short chord
measurements 30 m chord every 5 m
<< 8
Outer accuracy– Reference coordinate system
Independent reference system Bound to national system
<< 9
– Track marking system
<< 10
– Alignment data
Horizontal alignment Vertical alignment Superelevation Chainage line
752.867200 2578004.315203 5633670.763793 157.13411000 1 62.953930 -30000.0000 -30000.0000 815.821130 2578043.624706 5633621.591049 157.00051761 0 80.000000 0.0000 0.0000 895.821130 2578093.643611 5633559.156209 157.00051761 1 62.962320 30004.0000 30004.0000 958.783450 2578132.958354 5633509.976912 157.13410999 0 425.069420 0.0000 0.00001383.852870 2578398.030462 5633177.680675 157.13410999 2 150.960890 0.0000 -2198.0000
Paper form
Digital form
<< 11
History– Relative
Chord measurement with chamber
– Relative and “Absolute” Chord measurement with reference to marking points Track marking plan
– Relative and Absolute Reference coordinate system Track marking plan or digital Alignment
<< 12
Classic pre measuring tools– Mechanical chord
– Level and alignment instrument
<< 13
Classic pre measuring tools– Tamping machine
– Using physical wire
<< 14
Classic pre measuring tools– EM Sat
Laser Alignment
Alignment Method is prescribed for lines for lines with a design speed > 160 km/h
<< 15
Classic pre measuring tools– Geodetic trolley
Instrument outside of the track
Free station setup
~ 150 m in both directions
Productivity can be increased by using two instruments
<< 16
ComparismManual EM-Sat Trolley
Track blocking No Yes No
Clearance time 5 sec Not possible 5 – 10 sec
Man Power 3 - 4 4 2 – 3
Accuracy < 5 mm / 70 m < 2 mm / 200 m < 2 mm / line
Data Flow Manual Digital Digital
Speed 250 m / h 0,5 – 2,0 km / h 600 m / h
Costs 3 € / m
10 € / m @ 1.000m
1,5 € / m @ 7.000m
1,5 € / m
Flexibility Yes No Yes
<< 17
Idea for a new method– Demands
Flexible No track blocking Digital data flow Good speed Can be operated by two persons Line based method
<< 18
New method– Realization
Using Geodetic tools Relative station setup Two trolleys Alignment method
GEDO CE Vorsys
<< 19
Total station based alignment– Chord measurement
Height Side
82/02
82/04
5m
camber
chord
<< 20
Total station based alignment– Local 3D transformation
Absolute reference
Designed line
As built lineLocal coordinate system
<< 21
Total station based alignment– Local 3D transformation
Absolute reference
Designed line
As built line
Local coordinate system
<< 22
Total station based alignment– Local 3D transformation
Absolute reference
Designed line
As built lineLocal coordinate system
<< 23
Total station based alignment– Alignment method
82/10 82/12
<< 24
Theory ↔ Practice by …
Watch the system from a point of view of practical application!
<< 25
Assigned Manpower! Train blockings as long as you order No spatial problems along the track Purpose of work:
just finalizing, don‘t think about the accuracy Enough time for the project
What is “standard”?
Money is of no importance!
<< 26
Is this REAL LIFE???
NOT OURS !
<< 27
Description of the workflow Before the measurement – data management
– Basic data needed Track axis Gradient Fixpoints along the track including reference values
Digital or Analogue
<< 28
Description of the workflow
Before the measurement – data management
– Case 1: Workflow by using digital data
Convert the axis data into the data type needed by using the software GEDOoffice
Fixpoints in a csv-file (kind of Excel respectively ASCII data type)
– That’s it!
<< 29
Description of the workflow Before the measurement – data management
– Case 2: Workflow by using analog data (track marking plan)
Manual input of numerical data belonging to the relaying track Reference values of fixpoints Camber Data of superelevation Gradient data
Input by using the software VorsysCEDuration of data input: Analogue: 1 hour / 1 kilometer (= 0.6 miles)
Digital: 5 minutes / 100 kilometer and more
→ NO track-blockings before the measurement!
<< 30
Description of the workflow During the measurement
– Calibration of the trolley
– Parameters of the trolley
– Using the flexibility of the system
– Starting the software VorsysCE - Starting a project
– Starting the radio link
<< 31
Description of the workflow During the measurement
– Description of the procedure of measurement
Perfect interaction of Trimble S6 and GedoCE vorsys
Definition of the chord
Measurement of the actual track set based on the camber
Constraints / Discontinuities
Decisive constraint: the platform
<< 32
Description of the workflow After the measurement - data interpretation
– Data transfer
– Description of the software GEDOTamp
– Calculating the new trackline
– Considering of guidelines, tamping pass, constraints
<< 33
Description of the workflow After the measurement - data interpretation
– Convert to the ALC-Format
(5-m-grid)– Handover of data to the
tamping machine
→ start tamping immediately!
<< 34
Comparism
<< 35
ComparismManual EM-Sat Trolley
Track blocking No Yes No
Clearance time 5 sec Not possible 5 – 10 sec
Man Power 3 - 4 4 2 – 3
Accuracy < 5 mm / 70 m < 2 mm / 200 m < 2 mm / line
Data Flow Manual Digital Digital
Speed 250 m / h 0,5 – 2,0 km / h 600 m / h
Costs 3 € / m
10 € / m @ 1.000m
1,50 € / m @ 7.000m
1,50 € / m
Flexibility Yes No Yes
<< 36
ComparismManual EM-Sat Trolley
GEDO CEvorsys
Track blocking No Yes No No
Clearance time 5 sec Not possible 5 – 10 sec 15 sec
Man Power 3 - 4 4 2 – 3 2
Accuracy < 5 mm / 70 m < 2 mm / 200 m < 2 mm / line ≤ 1mm / 200m
Data Flow Manual Digital Digital Digital
Speed 250 m / h 0,5 – 2,0 km / h 600 m / h 1200 m / h
Costs 3 € / m
10 € / m @ 1.000m
1,50 € / m @ 7.000m
1,50 € / m
1,50 € / m @ 1.000m
0,21 € / m @ 7.000m
Flexibility Yes No Yes Yes
<< 37
Alternatives of using the system
Other possibilities to fix the track geometry
Documentation of the track set after reaching the target position (2nd stabilisation)– Comparison of actual and theoretical track set– Marking out geometry main points– Proof of the gage
<< 38
Future prospects…
Including GPS-Data
Documentation of the actual track set in plane and height without any axis data
Track monitoring
<< 39
THIS is our “standard” !
Manpower only as much as needed! Avoidance of train-blockings No extra space needed…only the gage! Data interpretation directly on site Accurate and fast
Conclusion
Optimal cost-benefit-factor
<< 40
GedoCE Vorsys – A new method for
high productive pre measuring
<< 41
Thank you for your interest…
Any Questions?
Fragen?
Des questions?
[email protected]@ibh-vermessung.de
<< 42
SinningVermessungsbedarf GmbH
Korbacher Str. 15D-97353 Wiesentheid
Tel.: +49 (0)9383 – 9732 – 0Fax: +49 (0)9383 – 9732 – 10
www.sinning.de
[email protected]@ibh-vermessung.de
<< IBH - Ingenieurbüro Herzbruch GmbH
Wilhelmstr. 43D-58332 Schwelm
Tel.: +49 (0)2336 – 4099 – 0 Fax: +49 (0)2336 – 4099 – 20
www.ibh-vermessung.de