EARTHQUAKE ANALYSIS OF DIFFERENT CONFIGURATION OF STEEL DOMES USING COMPUTER PROGRAMME

Keyur R. Patel, Anuj K. Chandiwala, Unnati D. Bhagat

Abstract: Domes are one of the oldest magnificent structural systems. They consist of one or more layers of elements that are arched in all directions. Domes are used to cover large areas such as exhibition halls, stadium and concert halls. In this paper one doublelayer steel and two single-layer steel common types of lattice domes have been studied under gravity and earthquake load. The domes have span of 50m, and their height-to-span ratio is 1/2. Here, domes have been analyzed statically under self-weight. Also, for earthquake loads equivalent Seismic Co-efficient and Response Spectrum Analysis (RSA) methods have been employed according to IS 1893:2002. All the three types of steel dome being analyzed by Seismic Co-efficient Method and Response Spectrum Method for Base shear and Modal time periods. Each analysis should be carried out in structural software SAP2000 v18.

Keywords: Seismic Co-efficient Method, Response Spectrum Method, SAP2000, Lattice Dome

DOI: https://doi.org/10.15623/ijret.2016.0512002