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You'd think in some places it'd make sense to let the trees grow up a bit on embankments to sort of tie the ground together a bit...one place I saw a few years ago when doing some site work in England, they'd fixed some kind of steel mesh all along the sides of a steep cutting..

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1 hour ago, PorkyP said:

You'd think in some places it'd make sense to let the trees grow up a bit on embankments to sort of tie the ground together a bit...one place I saw a few years ago when doing some site work in England, they'd fixed some kind of steel mesh all along the sides of a steep cutting..

Some of the issues and remedies - https://cdn.networkrail.co.uk/wp-content/uploads/2018/07/Earthworks-Technical-Strategy.pdf

 

This new embankment near me did get supplied with trees. They need to be the "right sort of trees" to reduce the leaf-fall problems...

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You can see the overheads for the old line , and just see its rails at the bottom on the left - the new diverging line runs across at the top, where the work is going on in the picture - any slippage has the potential to disrupt the whole lot.

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5 minutes ago, PorkyP said:

That's a very interesting link, some of the measures look very similar to what I've seen,  the location i mentioned was in the dark blue high risk map area too..I imagine we're looking at huge costs for these kind of operations..

What you end up doing will depend upon the actual situation on the site - and its history.

Some thought also needs to be given to the future, whether you're going to need to dig it up regularly or not - more of an issue with roads, I suppose, rather than railways.

 

About £250,000,000 for the one above - https://www.railwayoperators.co.uk/2017/05/presentation-norton-bridge-remodelling-and-grade-separation-6th-october-2016/ - to reduce conflicting crossovers at an existing adjacent junction.

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