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Pre Engineered Buildings are steel structures which are built over a structural concept of Primary members, Secondary members and the cover sheeting connected to each other. The structural members are designed to be light in weight and high in strength. It can be fitted with different additions to the structure like trusses, fascia, canopies mezzanine floors and crane systems as per the requirements of the project. The versatility of steel frames is the reason behind the growing trend in Pre Engineered Buildings.
Our uniqueness is to provide Agriculture Steel buildings with large, open and unobstructed space with good lighting, which are the most important features required for the Farm sector.
PEBs are most versatile building solution for some of the complex and large structural requirements like Industrial sheds, Cold storage, Warehouses, Workshops, Toll gate structures, Multi-level and simple Car Parking, indoor Sports complex and outdoor stadiums, Agriculture structures, Airport hangers, roof-top structures for hotels, commercial establishments, residential houses and many more…
They are light weight, durable and also provides value appreciation, easy-shifting & dismantling, maximum floor space utilization and cost effectiveness.
Steel structures are developed from a skeleton frame that includes vertical columns, horizontal beams and so on, made from steel materials, riveted, welded or bolted together, often in a rectilinear grid. Steel structures are typically used for medium and high-rise, industrial, warehouse and residential buildings.
The main steel building elements include walls, floors, roofs and bracing members that are arranged to have a certain type of linked system that aids in the structural stability of the building, depending on the type or use of the building, the nature and intensity of the applied loads and the design life required.
Wall bearing framing involves the erection of masonry walls on the perimeter and interior of the building and the structural steel members are then anchored on the masonry walls using bearing and end steel plates and anchor bolts. The design and construction of the wall bearing framing depends on the load intensity and the span distance between successive supports.
While lower depth beams help to increase the clear headroom height of the building it also poses a requirement for the closer spacing of the columns and hence limits the clear floor space area. On the other hand deep beam frames help to span long distance.
This is the column – beam structural framework system, in which all the lateral and gravity loads are transmitted to the steel framework and transferred down to the foundation. Walls are made as a curtain wall with no load bearing. Skeleton framing typically comprises of spandrel beams, main or primary beams, intermediate or secondary beams, wall columns and interior columns and reinforced concrete slab.
A long span is a span that exceeds 12m. It helps to provide an unobstructed floor space, column free internal spaces, and reduction in the on-site construction period, allowing installation of multiple services and mixed use of spaces. It is typically used for large industrial buildings, auditoriums, theatres, exhibition spaces and so on.
The following techniques are used; stub girders, hunched composite beams, composite trusses, cantilever suspensions spans, folded plates, curvilinear grids, thin shells domes, cable networks, space trusses, portal frames and so on.
These are deep steel beams which help to span long distances. The spanning length depends on the girder steel grade and the span depth ratio. Girders are installed in multiple ways. There are stub girders which span longitudinally across the structures being connected to the main girders. The hybrid girders are the manipulated girders stiffened to carry higher amount of loads by addition of the welded parts in the both top and bottom flanges.
Trusses have the advantage of spanning long distances due to the greater strength they possess making them stiff against deflections. The types of trusses used for long span construction includes Pratt trusses, Warren Trusses, Fink Trusses, Scissors, Bow String and Vierendeel Trusses. These truss forms can be used as the main supporting structural members in floor and roof framing systems.
The degree of rigidity in the beam-column connections must be carefully analysed. In rigid frames, connections are designed to bear both bending moment and shear forces. They are designed as full continuous frames through the whole length and height in the absence of the hinges or pins in the crowns and in mid-span. Large rigid foundations help to carry and distribute the moment and shear to the ground. For economical reasons the ground conditions should be checked as it could lead to higher foundations costs in poor subsoil conditions.
Arches can be made as solid arches or open web arches, three hinged, two hinged or fixed arches. These depend on the type of structural materials to be used, strength capacities, anchorage, building use, foundation type and the loading conditions.
The three hinged arch can help to span long distances even when there are adverse conditions such as poor climate, heavily loaded structures and so on. Two pinned arches are less strong compared to three hinged arch structures. Fixed arches are used in buildings with lighter loads and good ground conditions.
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