Steel-Concrete Composite Multistorey Buildings – Sustainable & Durable Option
Abstract:The American Institute of Architects (AIA), in their Environmental Resources Guide has recommended steel as an environment-friendly material for construction. Apart from its beneficial properties like durability, flexibility and high strength, steel is recyclable and hence, consumes minimum energy and avoid/minimize wastage of material. Use of more steel ensures protection of natural resources and thus, sustainable development is possible with steel-intensive construction of structures.
Urban population in India is increasing day by day because people from less privileged areas are thronging towards the Metros in search of better living opportunities. The Govt., through the National Agenda declared Housing for all as a priority area and has decided to focus on the housing needs of citizens. Toward this end, the agenda and the National Housing and Habitat Policy sets a target of construction of 2 million houses every year. Under such scenario, the construction of multistoreyed buildings is required to meet the rising demand of accommodation for different sectors. Hence, to offer the apartments within affordable limits, the structural designers and the architects associated with the builders have to design the building with reduced construction cost to fetch more profit for their client. Further, to reduce the burden of interest on the capital borrowed by builders and to facilitate early generation of earnings, advanced construction methodologies are required to be followed. Steel-Concrete composite construction is a fast track technology, which is popular abroad. Studies have been carried out by INSDAG for one (G+3), one (G+6) and one (B+G+20) storeyed buildings with RCC and Steel-Concrete composite options. It is observed that the composite options are cheaper than RCC options. Moreover, the proposals for construction of structures need to be judged on the basis of Life Cycle Cost (LCC) as per the relevant codes like IS 13174, ASTM E 917 etc. along with the Direct Construction Costs to ensure lesser economic burden during the functional period of the structures.
Document Type: Research Article
Publication date: January 1, 2005
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