Economical Design of RCC Building Using Modified Approach

Civil Engineering

The aim of study is to design a structure so that it fulfils three criteria namely safety including strength, stability and structural integrity. For the analysis purpose, modular ratio concept makes it possible to transform the composite section into an equivalent homogeneous section made up entirely of one material. The stress can be computed with transformed section by applying the flexure formula. In this case the second moment of area of the transformed section has to be considered. Continuous research by designers in modified approaches to understand, improve, and develop a property of economical design in a new type of modulus of elasticity for reinforced cement concrete known as ERCC for reinforced cement concrete. This paper deals with the results of conventional design and of G+5, G+10, G+15, G+20, G+25 &G+32 storey building. The basic aim of this research work is to use an equation for ERCC so as to arrive at economical design of RCC multi-storeyed building. The equation proposed for ERCC of beam as well as column can be very effective in case of RCC building. The analysis and design of various portal frames has been undertaken to illustrate the use of proposed equation of ERCC. The analysis of these frames is carried out through ETABS software.

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