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PJA Members - Pipe Jacking Association Homepage

Pipe jacking is a specialist tunnelling method for installing underground pipelines with the minimum surface disruption. Primarily used for new sewer construction it is also used for sewer replacement and relining, gas and water mains, oil pipelines, electricity and telecommunication installations, culverts and subways.

EquipmentMine - New and Used Mining Equipment Marketplace

EquipmentMine is a searchable database of new, used and surplus mining equipment and parts available for sale.

A review of rock cutting for underground mining: past ...

WITS SPECIAL EDITION - VOLUME I . A review of rock cutting for underground mining: past, present, and future . D. Vogt. Centre for Mechanised Mining Systems, University of the Witwatersrand Johannesburg, South Africa