Portal Frame Roof Detail

Steel hangar portal frame roof ridge detail this is a cad dwg drawing for a steel hangar portal frame roof ridge detail.

Portal frame roof detail.

Typical detail for a steel frame ridge apex roof system with sandwich panels roof ridge flashing support on galvanized z profile purlins. The end frame gable frame can be either a portal frame or a braced arrangement of columns and rafters. Steel roof rafter is illustrated with an ipe profile steel section. Within this major market sector the steel portal frame has become the most common structural form in pitched roof buildings because of its economy and versatility for a wide range of spans.

A portal frame building comprises a series of transverse frames braced longitudinally. In countries where this technology is highly developed the steel portal frame is the dominant form of structure for single storey industrial and commercial buildings. The primary steelwork consists of columns and rafters which form portal frames and bracing. It has become the most common structural form in pitched roof buildings because of its economy and versatility for a wide range of spans.