mickoo
Western Thunderer
Simon,
Quite so, on the new traverser site we may have issue with track creep as we will be stopping 1500t trains which are nearly 750m long, now there only doing 5mph but do that day in and day out and they will begin to push, especially as the end where the traverser is has noting but free space to stop it. All the track is concrete sleeper with Pandrol clips but there is still concern that the rail may creep toward the pit, so much so that the rail division is thinking about drilling the web and adding cross ties and then encasing the last 10' in a concrete slab which will be pinned to the sub base.
This is on top of expansion which with a free end of 850m of track we think will easily close up the current 25m gap in average 4°C temperatures we have had recently. It is hoped the proposed slab will also prevent expansion and form an effective stop to allow the rail hold back expansion at the free end.
Quite so, on the new traverser site we may have issue with track creep as we will be stopping 1500t trains which are nearly 750m long, now there only doing 5mph but do that day in and day out and they will begin to push, especially as the end where the traverser is has noting but free space to stop it. All the track is concrete sleeper with Pandrol clips but there is still concern that the rail may creep toward the pit, so much so that the rail division is thinking about drilling the web and adding cross ties and then encasing the last 10' in a concrete slab which will be pinned to the sub base.
This is on top of expansion which with a free end of 850m of track we think will easily close up the current 25m gap in average 4°C temperatures we have had recently. It is hoped the proposed slab will also prevent expansion and form an effective stop to allow the rail hold back expansion at the free end.
Long day and the meds not helping LOL
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