Strand jacks
08 May 2008
• Lift by pulling, in tension.
• Wider range of applications. Can be used through 360 degrees.
• Large crane usually required to place cross-beam and jacking system on top of structure.
• Whole system can be testedbefore lifting, structure as well as jacks.
• System must be fully assembled before starting lift.
• Heavier structure to withstandforce of loads.
• In the event of a jack failing, change-out required at height.
• Pressure transducers in jacks weigh loads.
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