A PreMeasuringSystem for tamping machines Biography Patrick Walke

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. 1

A Pre-Measuring-System for 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 A. Description of the Status Quo B. The Pre-Measuring-System for Tamping Machines C. Comparison of the existing Systems D. What the future brings – New Opportunities 3

A Pre-Measuring-System for tamping machines A. Description of the Status Quo Introduction 4

A Pre-Measuring-System for tamping machines A. Description of the Status Quo Basic principle of Pre-Measuring se h c a Ist e hs llac So Catenary pole Catenary pole 5

A Pre-Measuring-System for tamping machines A. Description of the Status Quo Basic principle of Pre-Measuring se h c se Ista ollach S y --- y‘ Long-chord 5 meter Translation: y‘ – y Catenary pole A Catenary pole B 6

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine 7

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine / Tamping unit 8

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine / Lifting, and lining unit 9

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine 10

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Switch Tamping Machine 11

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The Tamping Machine / Documentation of a 6 -channel-recorder 12

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The EM-SAT 13

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The EM-SAT / Front Measuring Unit 14

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The EM-SAT / Backside Measuring Unit 15

A Pre-Measuring-System for tamping machines A. Description of the Status Quo The EM-SAT 16

A Pre-Measuring-System for tamping machines A. Description of the Status Quo Three Possibilities to Pre-Measure the track: Ø Manual / Traditional Way GLUNI DRESI 17

A Pre-Measuring-System for tamping machines A. Description of the Status Quo Three Possibilities to Pre-Measure the track: Ø 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 18

A Pre-Measuring-System for tamping machines A. Description of the Status Quo Three Possibilities to Pre-Measure the track: Ø Using the EM-SAT 19

A Pre-Measuring-System for tamping machines A. Description of the Status Quo Basic principle of Pre-Measuring by the EM-SAT Istach se T A S ar c EM ing d r o rec Solla chse --- 5 meter Catenary pole A Satellite Long-chord Recorded data: - Relative offsets - Superelevation - Gage of the track Catenary pole B 20

A Pre-Measuring-System for tamping machines A. Description of the Status Quo Three Possibilities to Pre-Measure the track: Ø Pre-Measuring by tamping machine - Balanced method - Precise method 21

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE 22

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE a. Rail-bound system with a track gage of 1. 435 m (others possible) 23

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 24

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE b. Isogonic prism to locate each position of the system 25

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE c. Battery-operated power station (S 6 -batteries usable) 26

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE d. Manually operated 27

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE e. Inclination sensor (bluetooth) 28

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE f. Track gage measuring system 29

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE g. Weight is about 17 kg 30

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE TSC 2 as the control computer combines the Trimble S 6 with the Pre-Measuring-System 31

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 TSC 2 Prepare the track data / convert known formats such as ‚Verm. ESN‘ (for DB AG) directly to the file format needed Ø station axis (chainage) Ø track axis Ø gradient Ø superelevation Prepare the project data Ø coordinates of the junction points 32

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Basic principle of the Pre-Measuring System GEDO CE Total station Ista chs Catenary pole A Catenary pole B e 33

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Basic principle of the Pre-Measuring System GEDO CE Total station Ista MS Project attributes: P chs e - Axis data - Direction of the movement - Position of the prism - Calculation method Catenary pole A Catenary pole B 34

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Basic principle of the Pre-Measuring System GEDO CE PMS S PM MS P Catenary pole A Total station PMS Ista chs e PM S Catenary pole B PMS 35

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? Ø Horizontal coordinates of the measured points (Y, X) Ø Height of the superelevated and non-superelevated track span Ø Gage of the track Ø Track axis data (chainage, offset, gradient height) Ø Offset of the actual track set (horizontal and vertical deviation) 36

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Constraints to be measured PMS S PM MS Railroad crossings P Bridge sleepers Total station PMS Fixed mounting points Ista chs e PM S Catenary marking points Catenary pole A PMS switches Catenary pole B 37

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Overlapping sections / Simple averaging Position A Position B 38

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Overlapping sections / Torsion of a station Position B Torsio ned ax is Recalculated axis Overlapping section to Position C Overlapping section to Position A 39

A Pre-Measuring-System for tamping machines B. Pre-Measuring-System GEDO CE Connection to the as-build track Position B Nominal track a xis Ramp 00 min. 1: 10 As-buildtrack-axis 40

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 41

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 42

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 S 6! 2500 m per day are possible! 43

A Pre-Measuring-System for tamping machines C. Comparison of the existing systems Factors Manual Way EM-SAT Track blocking No Yes Clearance time 5 sec. --- >>> Flexibility Yes No P. M. S. No 5 -10 sec. Yes 44

A Pre-Measuring-System for tamping machines C. Comparison of the existing systems Factors Manual Way EM-SAT Accuracy <5 mm/70 m <2 mm/200 m Data flow analog digital Manpower 3 -4 4 P. M. S. <2 mm/line section digital 2 (+1 with 2 S 6) Velocity 200 m/h 0, 5 – 2, 0 km/h 250 m/h Costs ~3, 00 €/m ~10, 00€/m bei 1000 m ~1, 50 €/m ~ 1, 45€/m bei 7000 m 45

A Pre-Measuring-System for tamping machines D. What the future brings – New Opportunities Further application areas: Ø Marking out of a track axis (indirect) Ø Track monitoring Ø Combination with Laser Scanner (structure gage) Ø Setting out a track without any digital axis but only a track marking plan (digitizing of the plan) 46

A Pre-Measuring-System for tamping machines Pre-Measuring-System GEDO CE 47

A Pre-Measuring-System for tamping machines “Die Welt zu Gast bei Freunden!” “El mundo entre amigos!” 48