| 摘要 |
A concrete form suspension system has a form support projecting laterally from an uppe portion of a vertically displaceable support structure and a hydraulic jack operable to rais support structure along a vertically extending concrete structure. A support device can b secured to the concrete structure for supporting the jack and support brackets can be secu the concrete structure for supporting the raised support structure from the concrete struct operation of the jack, the support structure can climb the concrete sructure to allow concr forms suspended from the form support to be located in position for use in upwardly exte the concrete structure.
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