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A Pre-Measuring-System for tamping machines. Biography. Patrick Walke , 35 years old, German Surveying Engineer graduate, extensive experience as Field Surveyor and Project Manager in different fields of surveying (e.g. track construction, civil engineering, bridge building),
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A Pre-Measuring-System for tamping machines Biography Patrick Walke, 35 years old, German Surveying Engineer graduate, extensive experience as Field Surveyor and Project Manager in different fields of surveying (e.g. track construction, civil engineering, bridge building), Specialized in track construction; Since 2003 Technical Director of IBH Schwelm nearby Cologne.
A Pre-Measuring-Systemfor Tamping Machines The assurance of an Optimal Track Set [ST 228] Patrick Walke – IBH Ingenieurbüro Herzbruch, Schwelm, Germany
A Pre-Measuring-System for tamping machines Overview • Description of the Status Quo • The Pre-Measuring-System for Tamping Machines C. Comparison of the existing Systems D. What the future brings – New Opportunities
A Pre-Measuring-System for tamping machines A. Description of the Status Quo Introduction
A Pre-Measuring-System for tamping machines A. Description of the Status Quo Basic principle of Pre-Measuring Istachse Sollachse Catenary pole Catenary pole Catenary pole Catenary pole Catenary pole
A Pre-Measuring-System for tamping machines A. Description of the Status Quo Basic principle of Pre-Measuring Basic principle of Pre-Measuring Istachse Sollachse y y‘ Long-chord - - - 5 meter Translation: y‘ – y Catenarypole A Catenarypole B
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine / Tamping unit
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine / Lifting, and lining unit
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Switch Tamping Machine
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine / Documentation Documentation of a 6-channel-recorder
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The EM-SAT
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The EM-SAT / Front Measuring Unit
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The EM-SAT / Backside Measuring Unit
A Pre-Measuring-System for tamping machines A. Description of the Status Quo The EM-SAT
A Pre-Measuring-System for tamping machines A. Description of the Status Quo Three Possibilities to Pre-Measure the track: • Manual / Traditional Way DRESI GLUNI
A Pre-Measuring-System for tamping machines A. Description of the Status Quo Three Possibilities to Pre-Measure the track: • Manual / Traditional Way Disadvantages: - Marking out the 5-m-grid points manually - Marking out the geometry main points manually - Seperate work steps for horizontal and vertikal offset • Manual writing of the translation values in the track • Manual labor on the Tamping Machine necessary
A Pre-Measuring-System for tamping machines A. Description of the Status Quo Three Possibilities to Pre-Measure the track: • Using the EM-SAT
A Pre-Measuring-System for tamping machines A. Description of the Status Quo Basic principle of Pre-Measuring by the EM-SAT Istachse EM-SAT recording car Sollachse Satellite - - - 5 meter - - - 5 meter Long-chord Recorded data: - Relative offsets- Superelevation- Gage of the track Catenarypole A Catenarypole B
A Pre-Measuring-System for tamping machines A. Description of the Status Quo Three Possibilities to Pre-Measure the track: • Pre-Measuring by tamping machine - Balanced method- Precise method
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE • Rail-bound system with a track gage of 1.435m (others possible)
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Superelevated span => Basis for the plain Non-superelevated span=> Basis for the height
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE b. Isogonic prism to locate each position of the system
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE c. Battery-operated power station (S6-batteries usable)
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE d. Manually operated
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE e. Inclination sensor (bluetooth)
A Pre-Measuring-System for tamping machines B. Pre-Measuring-SystemGEDO CE f. Track gage measuring system
A Pre-Measuring-System for tamping machines B. Pre-Measuring-SystemGEDO CE g. Weight is about 17 kg
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE TSC 2 as the control computer combines the Trimble S6 with the Pre-Measuring-System
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE The Work flow / The Procedure of the measurement 1. In the Office: Preparing the track data and copying to the TSC2 Prepare the track data / convert known formats such as ‚Verm.ESN‘ (for DB AG) directly to the file format needed • station axis (chainage) • track axis • gradient • superelevation • Prepare the project data • coordinates of the junction points
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Basic principle of the Pre-Measuring System GEDO CE Total station Istachse Catenarypole A Catenarypole B
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Basic principle of the Pre-Measuring System GEDO CE Total station Istachse PMS Project attributes: - Axis data- Direction of the movement- Position of the prism- Calculation method Catenarypole A Catenarypole B
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Basic principle of the Pre-Measuring System GEDO CE Total station PMS PMS PMS Istachse PMS PMS PMS Catenarypole A Catenarypole B
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE The Work flow / The Procedure of measurement 2. On the track: Which data is recorded at each position? • Horizontal coordinates of the measured points (Y,X) • Height of the superelevated and non-superelevated track span • Gage of the track • Track axis data (chainage, offset, gradient height) • Offset of the actual track set (horizontal and vertical deviation)
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Constraints to be measured Total station PMS PMS PMS Istachse Bridge sleepers Fixed mounting points PMS Railroad crossings PMS PMS Catenarymarking points switches Catenarypole A Catenarypole B
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Overlapping sections / Simple averaging Position B Position A
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Overlapping sections / Torsion of a station Position B Overlapping section to Position C Torsioned axis Recalculated axis Overlapping section to Position A
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Connection to the as-build track Position B As-build-track-axis Ramp min. 1:1000 Nominal track axis
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE The Work flow 3. On the track: Data interpretation Convert to the ALC-Format / 5-m-grid
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE The Work flow 3. On the track: Data interpretation Convert to the ALC-Format
A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Increasing of the performance possible ? YES ! By using a second total station Trimble S6! 2500 m per day are possible!
A Pre-Measuring-System for tamping machines C. Comparison of the existing systems Factors Manual Way EM-SAT P.M.S. Track blocking No Yes No Clearance time 5 sec. --- 5-10 sec. >>> Flexibility Yes No Yes
A Pre-Measuring-System for tamping machines C. Comparison of the existing systems Factors Manual Way EM-SAT P.M.S. Accuracy <5mm/70m <2mm/200m <2mm/line section Data flow analog digital digital Manpower 3-4 4 2 (+1 with 2 S6) Velocity 200 m/h 0,5 – 2,0 km/h 250 m/h Costs ~3,00 €/m ~10,00€/m bei 1000m ~1,50 €/m ~ 1,45€/m bei 7000m
A Pre-Measuring-System for tamping machines D. What the future brings – New Opportunities Further application areas: • Marking out of a track axis (indirect) • Track monitoring • Combination with Laser Scanner (structure gage) • Setting out a track without any digital axis but only a track marking plan (digitizing of the plan)
A Pre-Measuring-System for tamping machines Pre-Measuring-System GEDO CE
A Pre-Measuring-System for tamping machines “Die Welt zu Gast bei Freunden!” “El mundo entre amigos!”