jacking device

jacking device

1. A device used to raise a vertical slipform.
2.A device used to stress the tendons in prestressed concrete.
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References in periodicals archive ?
Heightening an STS crane, which can weigh up to 2000 tonnes, involves the use of Kalmar's specialist jacking device in order to insert heightening construction and raise the whole crane by six metres, reaching 47m under spreader.
SSL s Autonomous Boulder Liberation Equipment study will demonstrate robotic arms for placement and handling of pneumatic excavation tools, boulder jacking devices, and positive capture and restraint tools.