31/21 AXIS Curve Channel
The ACS Curve, Cast in Channel and T Head Bolt Assembly is a unique patented system. It is designed to provide support and/or restraint to secondary products that are fixed back to a concrete structure without the need for drilling and post-fixing. The channel provides continuous adjustment along its length via the Curve T Head Bolt allowing for normal site tolerance and disassembly as appropriate. The system has been designed specifically to suit Masonry Support and Windpost applications but is a multipurpose, medium duty channel that can readily be used in various static loading applications across a range of industries. The Curve system is typically supplied in standard three-metre lengths but can be supplied in short lengths or special welded corner, angle or radiused fabrication details to suit specific site requirements.
The 31/21 Curve is a medium duty cast in channel that provides a load capacity exceeding that of a standard 38/17 rectangular channel section, and uses considerably less material. The channel is therefore a cost effective alternative to a 38/17 or other equivalent predecessors. The ACS 31/21 Curve is intended for use in reinforced concrete with a minimum compressive strength class of C20/25 or greater. The channel assembly consists of the Curve channel section, which is supplied complete with concrete anchors attached to the back of the channel profile and a specially designed T Head Bolt.
The channel is fixed to the formwork prior to casting of the concrete. Once the formwork is struck the cast in channel provides a slot to allow secondary structural components to be fixed via the use of a specially designed 31/21 T Head Bolt.
The key advantages of a cast in channel include; infinite adjustment along the length of the channel whilst preventing the need for site drilling to post fix components.
The Curve System
ACS Curve Channel is available as a standard 3000mm length with crimped anchor pairs fixed at 220mm centres or stud anchors at 150mm. Alternative short lengths can be supplied for specific applications.
The Curve system also consists of a specially designed Grade A2 - 70, M12 x 50mm T head bolt. All components are designed and manufactured using Grade 304 Austenitic Stainless Steel (EN 1.4301) in line with BS EN 100088, BS EN ISO 3506 and ETAG 001.
The standard Curve system provides a permissible load capacity (FPERM) of 8.5kN in tension, shear or combined loading criteria at nominal centres and spacing in C20/25 reinforced concrete.