![]() ![]() Domes may be constructed with small angles between the plates or with large angles between plates and the structural action may be considerably different for each type. There are many variations and only a few of them can be shown here. ![]() In this category are included all domes made with plane slabs and plates. It consists of triangular or polygonal planar thin slabs joining along their edges to form a thin plate structure. Modern folded plate structures are typically made of cast in situ or precast reinforced concrete, or steel plate. Faced Folded Plate of Shell Structureįolded plate structures are assemblies of flat plates, or slabs, inclined in different directions and joined along their longitudinal edges. Folded plates are one of the best attractive structure which required very less material and construction cost. The thickness of the folded plate is only 60 mm. The maximum length to which the folded plate can be constructed is up to 30 meters. These types of structures are generally joined along their edges to construct the three-dimensional structure. The folded plate is a type of shell structure that is made from a thin flat slab. The barrel vaults are concrete thin shells that mainly consist of the cylinder, frame at its ends including columns. These types of Shell structures have a span capacity of upto 50m. The Barrel vault is one of the commonly used shell structures because of its greater span capacity. The shell structures are categorized into various types which are as follows.
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