Author(s): Y. Sato
The actual value of the neutral temperature in CWR (Continuous Welded Rail) is
of high concern for track people so as to avoid rail failure in winter and track
buckling in summer.
Recently the measurement of the rail tension by releasing
the rail from sleepers in the section of a certain tens meters and lifting the rail at
the center of it has been successfully tried.
It is analyzed theoretically with four
Analyzing them, it is made clear that the calculation with the
model of the massive beam connected with heavier beams at ends shows
excellent coincidence with the practice.
With use of the model, the numericals
for another practice, necessary items to be checked and the optimum conditions
in the measurement on Japanese Tokaido Shinkansen are calculated.
such investigation, not only the characteristics of the mea...
Size: 641 kb
Paper DOI: 10.2495/CR000081
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