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Ulan West rib spall due to shear fracture: report

THE key driver for rib spall on the walk side of the belt road at Glencore’s Ulan West longwall mine in New South Wales was identified as a combination of shear fracture, forming from the longwall abutment load, and the discontinuities created by the cleat, according to an ACARP project study.

Lou Caruana
Ulan West rib spall due to shear fracture: report

Longwall monitoring took place at Ulan West at a depth of 160m-190m as part of a project to review the mechanics of rib deformation over the life of a mine. Development site monitoring took place in May....

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