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Site drilling and reaming of bolt holes in BS11 rail (TM-FM-003)

Last updated on 29 August 2013 3:53

Fatigue cracking at bolt holes caused the removal of more than 1700 rails from track in 1971. Obviously, one of the criteria which affects the life of a bolt hole is the condition of that bolt hole; a badly drilled hole which is deeply scored and has a large cracked...

Author(s): Collinson T.G.

Organisation(s): British Rail Research ;

1973

United Kingdom

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