Mine Safety Monitoring

Boulby Mine, UK

PROJECT SUMMARY

PROJECT: Boulby Mine Shaft Re-Lining

YEAR: 2009

CLIENT: Cleveland Potash Ltd

CONTRACTOR: Ebor Concrete

OVERVIEW MONITORING PRODUCTS USED Boulby Mine is a 200-hectare site run by Several instruments were installed Cleveland Potash, located just southeast within the pre-cast concrete segments VW Embedment Strain Gauges of the village of Boulby, on the northeast manufactured by Ebor Concrete Ltd Used to measure strain within the coast of the North Yorkshire Moors in to measure hoop stress on the inner segments. Redcar and Cleveland, England. & outer surfaces, radial stresses at the outer face and load in selected Total Pressure Cells (TPC) It is Europe’s second deepest mine at temporary suspension members. Used to measure radial stress within the 1,400 metres, producing half of the segments. UK’s output of potash, an agricultural Total Pressure Cells (TPC) and vibrating fertilizer. As aby-product the mine wire embedment strain gauges were GeoLogger Data Logger produces rock salt, used across the installed within the segments prior to Multi channel data logger used to collect region as a de-icing agent on roads in them being installed on site. data automatically. winter conditions. All data from the instruments will be fed As part of a maintenance operation, a back to a GeoLogger data acquisition new segmental concrete ring lining was module which monitors and records the developed to be installed at the base of data. the mine shaft.

Geosense Ltd, Nova House, Rougham Industrial Estate, Rougham, Bury St Edmunds, Suffolk IP30 9ND, England www.geosense.co.uk e [email protected] t +44(0)1359 270457 V1.2 10/2018