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

276 Chapter Nine
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EFCO
E-Beams
Plywood
EFCO
Super studs
Acceptable base
by contractor
(as required)
122 PSF at
spacing shown
FIGURE 9-45
Detail assembly for 12 ft wall. (Source: EFCO)
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Forms for Curved Walls
Figure 9-46 illustrates a section of gang forms assembled and used to
construct circular concrete walls using the forming system manufactured
under the trade name of REDI-RADIUS by EFCO. The system
is designed to form fixed- or variable-radius walls. The radius form
system will adjust to any radius 10 ft or greater in diameter, providing
a smooth and continuous curved concrete finish.
The system can be handled with a crane in large gang sections
and requires minimum bracing and alignment. The forming system
consists of large interchangeable form panels that can be easily field
assembled to meet any radius, concave or convex, from the 10-ft minimum
radius to a straight wall. The panels have a built-in tie bearing,
which combined with a special tapered tie allows quick erection and
stripping of the forms.
The standard panel module is 6 by 12 ft, which permits a form
area of 72 sq ft in one panel. Thus, the all-steel face sheet of a single
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