COMPARATIVE STUDY OF RCC, STEEL AND COMPOSITE STRUCTURES FOR INDUSTRIAL BUILDING

CIVIL ENGINEERING

Steel Concrete Composite construction has gained wide acceptance world wide as an alternative to RCC construction. However, this system is relatively new concept for the construction industry. Reinforced concrete members are used in the framing system for most of the buildings since this is the most convenient & economic system for one storey buildings. However, for multi storeyed building this type of structure is no longer economic because of increased dead load, less stiffness,, span restriction and hazardous formwork. And steel structure is also good for low load but Steel concrete composite frame system can provide an effective and economic solution to most of these problems in medium to high rise buildings. In the present work Concrete composite with RCC, Steel structure options are considered for comparative study of G+2 storey of Industrial building which is situated in earthquake zone-3 of IS 1893-2002 earth quake loading. Equivalent static method of analysis is used for modeling of composite, Steel and RCC structures; STAAD-pro V8i Finite element software is used. In the composite structure Steel column is encased in PCC and RCC slab on steel girder are employed. The dead load and live load are considered as per IS-875(part-1&2) and wind load is considered as per IS-875(part-3). The result of this work shown that, the cost of the composite is less than the RCC structure as well as steel structure. The critical bending moment and Shear force values are less in composite structure compared to RCC structure and more than steel structures due to decreased dead load. Composite structure is best solution for the multi storeyed Structure compared to RCC and Steel structure.

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