Computational Technology Resources - CCC

Paper 19.6

Advanced Measurement of Railway Track Layer Deformations using a Combined Multi-Depth Deflectometer and Global Navigation Satellite System Technique

Y. Lim¹, P. Bahati² and V. Le³

¹Department of Civil and Railroad Engineering, Paichai University, Daejeon, S. Korea
²Department of Civil Engineering, RP/IPRC KIGALI (Rwanda Polytechnic/Integrated Polytechnic regional center-Kigali), Kigali, Rwanda
³Department of Civil Engineering, Kumoh National Institute of Technology, Gumi, S.Korea

doi:10.4203/ccc.7.19.6

Y. Lim, P. Bahati, V. Le, "Advanced Measurement of Railway Track Layer Deformations using a Combined Multi-Depth Deflectometer and Global Navigation Satellite System Technique", in J. Pombo, (Editor), "Proceedings of the Sixth International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 7, Paper 19.6, 2024, doi:10.4203/ccc.7.19.6

Keywords: multi-depth deflectometer, global navigation satellite system, total station, trend model, railway, track settlement.

Abstract

This study introduces a sophisticated measurement system combining a Multi-Depth Deflectometer (MDD) with a Global Navigation Satellite System (GNSS) to monitor deformation in railway slab track layers. The MDD/GNSS system integrates two laser-equipped MDD modules fixed at the top of the track slab. Installed at a test site, this system underwent a nine-month evaluation of concrete track layers. It demonstrated the capability to measure settlement accurately, overcoming traditional MDD limitations where firm endpoint fixation is challenging. The results underscore the system's potential to significantly improve railway track settlement monitoring.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 7 PROCEEDINGS OF THE SIXTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 19.6 Advanced Measurement of Railway Track Layer Deformations using a Combined Multi-Depth Deflectometer and Global Navigation Satellite System Technique Y. Lim¹, P. Bahati² and V. Le³ ¹Department of Civil and Railroad Engineering, Paichai University, Daejeon, S. Korea ²Department of Civil Engineering, RP/IPRC KIGALI (Rwanda Polytechnic/Integrated Polytechnic regional center-Kigali), Kigali, Rwanda ³Department of Civil Engineering, Kumoh National Institute of Technology, Gumi, S.Korea doi:10.4203/ccc.7.19.6 Full Bibliographic Reference for this paper Y. Lim, P. Bahati, V. Le, "Advanced Measurement of Railway Track Layer Deformations using a Combined Multi-Depth Deflectometer and Global Navigation Satellite System Technique", in J. Pombo, (Editor), "Proceedings of the Sixth International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 7, Paper 19.6, 2024, doi:10.4203/ccc.7.19.6 Keywords: multi-depth deflectometer, global navigation satellite system, total station, trend model, railway, track settlement. Abstract This study introduces a sophisticated measurement system combining a Multi-Depth Deflectometer (MDD) with a Global Navigation Satellite System (GNSS) to monitor deformation in railway slab track layers. The MDD/GNSS system integrates two laser-equipped MDD modules fixed at the top of the track slab. Installed at a test site, this system underwent a nine-month evaluation of concrete track layers. It demonstrated the capability to measure settlement accurately, overcoming traditional MDD limitations where firm endpoint fixation is challenging. The results underscore the system's potential to significantly improve railway track settlement monitoring. download the full-text of this paper (PDF, 6 pages, 673 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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