Analysis And Design Of Flat Slab By Using Etabs Software
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2016, Vol 4, Issue 2
Abstract
“Flat Slab†is better understood as the slab without beams resting directly on supports (like columns & or walls).By virtue of that large Bending Moment & Shear Forces are developed close to the columns. Flat slabs system of construction is one in which the beams used in t he conventional methods of constructions are done away with. The slab directly rests on the column and load from the slab is directly transferred to the columns and then to the foundation. To support heavy loads the thickness of slab near the support with the column is increased and these are called drops, or columns are generally provided with enlarged heads called column heads or capitals.Absence of beam gives a plain ceiling, thus giving better architectural appearance and also less vulnerability in case of fire than in usual cases where beams are used. Plain ceiling diffuses light better, easier to construct and requires cheaper form work.As per local conditions and availability of materials different countries have adopted different me thods for design of flat slabs and given their guidelines in their respective codes.The Finite element analysis & Equivalent frame analysis is carried out by using software ETABS, The analysis & design is performed by Equivalent Frame Method with staggered column & without staggered column as prescribed in the different codes like IS 456-2000, ACI 318-08 are compared. In this process moments are distributed as column strip moments & middle strip moments.For carrying out this project an interior panel of a flat slab with dimensions 6.6 x 5.6 m and super imposed load 7.75 KN /m2 was designed using the codes given above.
Authors and Affiliations
B. Anjaneyulu| PG Scholar, Pydah College of Engineering, Kakinada, AP, India, K Jaya Prakash| Assistant Professor, Pydah College of Engineering, Kakinada, AP, India
Keywords
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