PRE ENGINEERED BUILDING [PEB]
Pre engineered building [PBE] use a predetermined inventory of raw materials that meet a wide range of structural and aesthetic design requirements. This flexibility allows PEB Steel to full fill almost building configurations, custom designs, and applications.
“Pre engineered steel building” are those which are fully fabricated in the factory after designing, shipped to site in CKD(completely knocked down) condition; and all components are assembled and erected at site with nut-bolts, thereby reducing the time of completion.
Pre engineered building [PBE] systems are extensively used in industrial and many other non-residential constructions worldwide, it is relatively a new concept in India. These concepts were introduced to the Indian markets in the late 1990s with the opening up of the economy; and a number of multi–nationals setting up their projects. The current pre-engineered steel building manufacturing capacity is 6.0 lac ton per annum. The industry is growing at a compound rate of 25 to 30%.
With respect to the design of the structure and aesthetic appearance, India is way behind. Indian manufacturers are trying to catch up; comparatively, PEB is a new concept in India.
Pre engineered building [PBE] means, generally speaking, is any part of a structure that is manufactured prior to its arrival on the building site. The concept of the pre engineered building (PEB) is one where the fabrication is completed in a controlled environment with the latest technology, and then subsequent erection is carried out. Though initially only off the shelf products were available in these configurations aided by the technological development tailor made solutions are also made using this technology in very short durations.
A healthy trend in the form of growth in demand for construction works in residential, Commercial, Institutional industrial and infrastructure sectors are being seen over the past decade.
Modern Structures are much more complex and sophisticated as compared to an earlier periods. One of the major changes which are being felt by all is that the present structures are taller and thinner.
Modern day requirement of structures is that these should be lighter yet not compromising on functionality. Civil engineering construction has seen a continual economic competition between steel, concrete and other construction materials. Currently, the total steel production in the country is about 45Mn Ton against 1280Mn ton of world. Per capita steel consumption in India is 42kg whereas it is 270kg. About 10% of steel goes to the construction industry and amidst it PEB accounts only for the 0.5Mn ton. As on date. In the next 5 years, the steel production will be doubled and with efforts of organisations like BIS and INSDAG, steel intensive construction may rise up to 22Mn ton. Owing to advantages of PEB, several non-conventional segments are also getting attracted to use PEB and the potential will rise up to 2.2Mn ton which is four to five times of today’s scenario.
Pre-Engineered Buildings (PEB) are the building components which are manufactured at a factory and assembled on site. Usually PEBs are steel structures and can be an alternative to conventional structural steel buildings. PEB structural components are fabricated at the factory to exact size, transported to site and assembled at site, usually with bolted connections. This type of Structural Concept is generally used to build:
Industrial and Small Manufacturing Buildings
Small Retail and Commercial Office Buildings
Warehouses and Storage Units
A pre engineered building is a system utilizing three distinct product categories:
• Built-up “I” to shape primary structural framing members (columns and rafters)
• Cold-formed “Z” and “C” to shape secondary structural members (roof purlins, wall girts, and eave struts)
• Roll-formed sheeting profiles (roof and wall cladding).
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