Puddle Welding Roof Decking

World s best tree felling tutorial.

Puddle welding roof decking.

The following csm products solutions standard attachment pattern has been provided as a minimum recommendation for the product specified. Deck attachment patterns are designed by the engineer of record. Long for arc seam welds. The anchorage system of roof deck units to supporting members consists of deck to support deck to deck sidelap and deck to perimeter.

B deck 36 4 pattern notes. In all cases the wps needs to be qualified by test. Steel decking is used in many applications but is particularly well suited to roofing and flooring. When metal deck is to be welded to supports the effective fusion area is at least 1 2 in.

Arc spot welds also referred to as puddle welds. Steel deck is often installed using arc spot welds either with or without weld washers. Hilti north america recommended for you. Preheat exemption is possible for arc spot welding roof or floor deck to base materials listed in group i or ii in table 3 1 in aws d1 1.

Luttrell 2007 ansi sdi c1 0 2006 standard for composite steel. Sdi white paper arc puddle welds and weld washers for attachments in steel deck l d. Standard deck attachment details. Arc seam and arc spot welds are to be located and spaced as described in the tables.

Traditional and automated deck fastening using a range of methods new millennium roof deck form deck and composite deck can be attached to supports and at side laps with welds or with mechanical fasteners such as power actuated fasteners and screws. Arc puddle welding duration. Arc spot welds often referred to as puddle welds are similar to plug welds except that the thin top sheet does not require a hole to be pre punched prior to welding. Long for arc seam welds.

Arc seam and arc spot welds are to be done as seen in the images below. Comparison of hilti mechanical fastening system for decking vs. Diameter for arc spot puddle welds figure 3 or at least 3 i in. Diameter for arc spot welds or at least 3 8 in.