Use of Castellated Beam as A PEB Component

Abstract

Use of castellated beams is become very popular now days due to its advantageous structural applications. Castellated beams are those beams which has openings in its web portion. The openings made in the webs are of generally hexagonal, circular, diamond or square in shape. There is lot of study has been done in optimizing sizes of castellated beams with various openings, and hence there is need to optimize the beams with other shaped openings. As we are using ISMB 150 for the making the tapered beam it is easy to manufacture and designs the web opening section with varying the depth. It is also observed that, castellated beams are mostly tending to fail in their local modes of failure. A pre-engineered building (PEB) is a metal building that consist of light gauge metal standing seam roof panels on steel purlins spanning between rigid frames with light gauge metal wall cladding. It has a much greater vertical and horizontal deflection .Primarily speed and quality of construction are the top two benefits. Steel buildings are fire, quake and cyclone resistant – hence from a safety and longevity perspective, these buildings are timeless Pre-engineered buildings are nothing but steel buildings in which excess steel is avoided by tapering the sections as per the bending moment’s requirement. It consist of a complete steel framed building system, with components pre designed to fit together in a vast variety of combinations to meet the unique requirements of specific end uses. If we go for regular steel structures, time frame will be more, and also cost will be more, and both together i.e. time and cost, makes it uneconomical. Thus in pre-engineered buildings, the total design is done in the factory, and as per the design, members are pre-fabricated and then transported to the site where they are erected in a time less than 6 to 8 weeks.