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Early Warning of Foundation Settlement Deformation for Ballastless High-Speed Railway Tracks

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DOI: 10.4236/wjet.2015.33C029    3,494 Downloads   3,889 Views  

ABSTRACT

There has been rapid development of high-speed railway lines, especially passenger-dedicated railway lines, in China. Trains are traveling at speeds exceeding 250 km per hour and they require highly smooth tracks to ensure safety. However, there have been no in-depth studies on the early warning of the settlement of high-speed railway lines in China or abroad. Most methods use a simple model based on data processing and decision rules. The core issues of early warning lie in the science and rationality of decision rules. The present paper therefore investigates novel and critical indexes for the warning of settlement under high-speed railway lines according to existing norms and field data, and several essential indexes of deformation warning are suggested through theoretical and experimental analysis.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Li, D. , Xu, Y. and Chen, R. (2015) Early Warning of Foundation Settlement Deformation for Ballastless High-Speed Railway Tracks. World Journal of Engineering and Technology, 3, 197-202. doi: 10.4236/wjet.2015.33C029.

References

[1] Chen, S.X., Song, J. and Zhou, Q.N. (2010) Theory and Practice of Observation and Evaluation for High-Speed Railway Subsidence Deformation. China Railway Publishing House, Beijing.
[2] TB 10601-2009 (2009) Specification for Measurement of High-Speed Railway Engineering.
[3] Chinese Railway Construction Standards No.5 (2005) Guide for design of Ballastless Passenger Dedicated Railway Line.
[4] Chinese Railway Construction Standards No.147 (2008) Temporary Regulations on the Design of New Railway Line with 300 - 350 km per Hour.
[5] Chinese Rail-way Construction Standards (2005) Implementation Principles and Suggestions for Geotechnical Structures of New Slab Tracks.

  
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