TITLE:
Early Warning of Foundation Settlement Deformation for Ballastless High-Speed Railway Tracks
AUTHORS:
Dongwei Li, Yuankun Xu, Ranli Chen
KEYWORDS:
High-Speed Railway, Settlement, Prediction Model, Early Warning
JOURNAL NAME:
World Journal of Engineering and Technology,
Vol.3 No.3C,
October
23,
2015
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.