What Is a Railway Twist Fault on the Railway? The Best Complete Intro Guide

This video looks at one of the most serious Railway Track Geometry faults, the twist. Learn why it is such a risk, how to calculate twist and where it is likely to be found!
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What Is Railway Track Geometry? A Guide for Railway and Railroad Engineers:
• What Is Railway Track ...
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• Railway Track Geometry
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Video Chapter's:
00:00 - Intro
00:20 What is a Twist?
01:32 - Why are they Dangerous?
02:28 - How are they found?
03:31 - Calculating Twist
08:35 - Where are Twist Faults Likely to Occur?
09:07 - How are they Removed?

[@nikkibrealey5075]

Are u not supposed to calculate the distance over the difference so like 3000 / 20 which would give u a 1/150 gradient? Rather than the other way round

[@slickmarble]

Thanks for the in-depth explaination on Twist Fault. Very educational. Is there a video link where I can learn about top fault (which is mentioned in the video)? Thanks.

[@thepwayengineer]

Top faults is a video on my list to record!

[@user-zo8kn7sz3t]

Nice Video

[@thepwayengineer]

Thanks! Glad you enjoyed it!

[@theonly5001]

You can actually go an substract all the way, even with negative values.
In Matz this doesn't make a difference.
1 - (-1) = 2
1 + |-1| = 2
You do the second thing.
You take the absolute value and add them.
When doing a excel sheet of this, you can simply use the simple way of substracting all the way through.

[@alisadeghi1691]

Ok

[@xaiano794]

Wet beds seem pretty obvious from the cab, never had one that gave a twist though, they usually seem to cause an even dip across both rails.

[@thepwayengineer]

From my experience it seems to be early forming wet beds, mostly from voiding of one rail. The wet bed then grows to take in both sides

[@Shocking-Reaction]

nice video. maybe throw a little music behind the audio too.

[@obieeetleb7764]

no please

[@thepwayengineer]

I did used to and the feedback wasnt to great on it, but i will bear it in mind. I hope you found the video interesting and informative

[@beeble2003]

No music, please. Completely unnecessary distraction.