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October 5, 2008
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Screws, Springs and Spikes by classictrains Screws, Springs and Spikes by classictrains
Three months ago [link] the BNSF ripped out a track panel, rebuilt it and dropped it back in. Here at the transition between the old and new rail you can see the old and new rail holddown technology. They are still using wood ties but further west concrete ties are seeing more and more installation on heavy wear lines.
:iconlabrat-78:
labrat-78 Featured By Owner Oct 5, 2008
They do like we do, alternate between cut spikes and elastic fasteners, in this case, the Pandrol "e" clip. This we use in places where stress will be extra, such as crossings, switches, and curves. Places where keeping gauge without constant maintenance is required.

The nice thing about the clips, when used they basically replace the rail anchor that is normally used to "box" the tie in. This keeps the rail from moving laterally.
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:iconshenanigan87:
shenanigan87 Featured By Owner Oct 5, 2008  Hobbyist Photographer
Ah, the signs of progress :)
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