REDI-RADIUS Features
- Large panels reduce the number of form joints and deliver an excellent concrete finish
- Allows incorporation of EFCO’s all-steel trough soffit panels for round tank troughs
- Forms fixed or variable radius walls that adjust to any radius 18′ (5.5 m) or greater
- 2-foot (600 mm) rib panels placed at the bottom will avoid rebar and water stops
- Integrated tie bearings and adjustment straps reduce the number of loose parts
- Integrated pour windows adjust to the radius of the form
Adjustable Formwork for Circular and Curved Walls
Circular and curved concrete walls, tanks and arches are easy to form with the EFCO REDI-RADIUS forming system. When multiple diameters are required for a project, EFCO’s REDI-RADIUS system can be adjusted to any radius with very little labor required. Shaping tables, either convex or concave, are used to adjust REDI-RADIUS panels.
Shaping Panels
For extra ease-of-use, REDI-RADIUS panels can also be pre-shaped to required specifications at EFCO’s warehouse and then shipped to your job site. You may also shape them on your job site. The 6 1/2″ heavy-duty flange on REDI-RADIUS form panels allows you to assemble panels into large rigid gang sections without stiff-backs, aligners or walers.
QUESTION & ANSWER
How soon can formwork be stripped?
The duration between placing concrete and removing/stripping formwork and shoring depends on various factors, but it is ultimately based on age criteria and the minimum concrete strength determined by the project engineer/architect (reference ACI 347-R14; 5.7.1). Possible concrete strength factors include cure methods, construction sequence, and project schedule. Based on the various criteria established by the project engineer/architect, the removal/stripping time can range from 12 hours to 28 days.
The removing/stripping time can often be increased when supplemental concrete supports are used. Examples would include EFCO’s Box Culvert Roof Support System, which temporarily supports the top slab of a box culvert while the forms are cycled ahead to the next pour. Another example would be the EFCO Deck shoring system which includes a “drophead” feature that enables contractors to strip joists and stringers early while the posts continue to support the recently placed slab.
How does REDI-RADIUS prevent water stop interference?
Water stops are no problem when you cantilever the REDI-RADIUS Form. The 2′-0″ rib REDI-RADIUS form can be used in a cantilevered configuration on a radius wall to avoid problems with ties interfering with water stops or other bottom-of-the-wall obstructions. The 2′-0″ rib form can also cantilever at the top of the form set-up to avoid any obstruction or obstacles encountered at the top of a radius wall set-up.
How do I add a Trough Wall to a Round Tank with REDI-RADIUS?
EFCO can provide a special all-steel trough soffit panel for round tank troughs to conform to your required diameter. This form is built with 4″ deep ribs on 12″ centers. Flanges are made of 3/16″ material for added strength, and all flange holes are slotted for easy set-up. This trough soffit form is particularly advantageous where you have several trough tanks with the same diameter. REDI-RADIUS starter forms allow you to finish the concrete at the bottom of a trough or the slab below a vertical wall.
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