Stabilisation of embankment with difficult access at Belford, Northumberland

A 130m long section of the Belford Upside embankment runs at the crest of a disused quarry. The embankment is up to 7m high with variable slope angles from 35º to 40º, and was constructed using cohesive glacial till. The over-steepened slopes have led to significant ballast movement, resulting in...