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

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Forms for Walls 277
FIGURE 9-46
Gang forms for constructing a curved wall. (Source: EFCO)
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panel provides a large area with unblemished concrete surface. Panel
sizes range from 2 to 5 ft in height and from 4 to 12 ft in length.
The curvature is obtained by placing the panel on a wood template
of the desired radius. The inside or outside radius is then
obtained by tightening the bolts on the tension straps (Figure 9-47).
FIGURE 9-47 Tightening bolts on tension strap to obtain the desired radius
for a curved wall. (Source: EFCO)
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