Formwork for Concrete Structures by R.L.Peurifoy and G.D- By EasyEngineering.net

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Forms for Walls 279
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FIGURE 9-48 Workers adjusting pipe braces for JumpForm system. (Source: Patent
Construction Systems)
All gangs, platforms, and other key components stay intact
throughout the forming process. Gangs, platforms supports, and vertical
members feature lightweight aluminum joists and walers. Joists
and walers are available in standard lengths and use fast connecting
hardware. There is minimal cutting and nailing compared to all-wood
systems. JumpForm accepts gangs from 8 to 16-ft high and from 8 to
44 ft wide.
The JumpForm system enhances worker safety. All work is performed
from guarded platforms, including a 5-ft-wide operating
platform. No one needs to be on the forms during crane handling. A
locking feature that is built into the release/attach mechanism
automatically engages when the gang is in the vertical position.
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