• Ashutosh Jain
• Dr. D.K. Jain
• Hemant Kumar Gupta

Earthquake resistant design of structures is continuously evolving, learning from the behavior of structures during each earthquake. World over the codes of practice are incorporating necessary changes to make the structures behave in a better manner during the earthquakes reducing the loss of life and property. In India, major changes have been incorporated in the codes of practice dealing with earthquake resistant design and detailing of buildings. In this paper cost implications of these changes are studied for a typical multi-story industrial building. Industrial buildings are more vulnerable to earthquakes due to building irregularities and irregular mass concentration of plant and machinery. Seismic analysis and design of a typicalG+7 multistorey building is carried out for seismic zone II and zone V as per the previous code IS 1893 (Part-4)-2005 and as per the latest code IS 1893 (Part-4)-2015. For zone V, ductile design & detailing is required, which is applied as per the previous code IS 13920-1993 and as per the latest code IS 13920-2016. The quantities of concrete and steel required for the superstructure in different zones, as per old and revised codes are compared. Percentage increase in the quantities of concrete, steel reinforcement & cost of building for the different zones using the old and the revised codes are compared with reference to non-seismic (Dead load + Live load) analysis and design. It is found that almost no additional quantity of concrete is required for seismic analysis and design in zone II. Whereas, in zone V, the seismic analysis requires additional quantity of concrete of nearly 1.70% as per the old codes and nearly 4.5% as per the revised codes. The additional quantity of steel required for seismic analysis is found to be nearly 5.75% as per the old codes and nearly 14.50% as per the revised codes in zone II and nearly 46% and 57.25% as per the old and the revised codes, respectively in zone V. The impact on the overall cost of the building remain within 5%. The increase in cost due to seismic analysis as per the old and the revised codes is found to be nearly 0.5% and 1% respectively, for zone II and nearly 3.5% and 4.5% respectively, for zone V.

- IS 1893 (Part-1)-2015, IS 1893 (Part-1)-2005, IS 13920-1993, IS 13920-2016, Seismic Analysis, Earthquake Resistant Design of Structures, Industrial Buildings, Cost impact of Earthquake Analysis, Old and Revised Codes, Quantity of Concrete and Steel.

"Earthquake Resistant Design of Typical Multistorey Industrial Building - Impact On Cost Due To Revision Of Codes", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.7, Issue 9, page no.963-972, September-2020, Available :http://www.jetir.org/papers/JETIR2009130.pdf

"Earthquake Resistant Design of Typical Multistorey Industrial Building - Impact On Cost Due To Revision Of Codes", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.7, Issue 9, page no. pp963-972, September-2020, Available at : http://www.jetir.org/papers/JETIR2009130.pdf