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Novel monitoring system to diagnose rail track foundation problems
(Massachusetts Institute of Technology, 2004)
A low cost, remote monitoring system has been developed to diagnose rail track subgrade failures. The portable monitoring system consists of five liquid vertical settlement probes, one piezometer, a small data acquisition ...
Low cost monitoring system to diagnose problematic rail bed : case study of Mud Pumping Site
(Massachusetts Institute of Technology, 2007)
This thesis describes the development of low cost sensors and wireless sensor network (WSN) platform aimed at characterizing problematic rail beds (subgrade). The instrumentations are installed at a busy high-speed Northeast ...