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Strong Motion Data Based Regional Attenuation Relations for North East India based on Non-Linear Regression Models

Publication Type : Journal Article

Url : https://doi.org/10.1080/13632469.2020.1778586

Campus : Coimbatore

School : School of Engineering

Year : 2020

Abstract : Existing Ground Motion Prediction Equations (GMPE) in practice for North East India have been developed using limited or simulated datasets of recorded ground motions. The current study presents the development of a new GMPE based on a well-established model considering actual recorded ground motion data comprising of acceleration, magnitude, and hypocentral distances. A larger dataset with magnitudes ranging from 4.2 to 6.9 and up to 640 kms, with a total of 204 recordings is used in non-linear multiple-regression. The newly developed GMPE could predict ground acceleration realistically over larger ranges of distance and magnitudes, compared to existing GMPEs.

Cite this Research Publication : Ramkrishnan R., S. Kolathayar, T. G. Sitharam (2020), “Strong Motion Data Based Regional Attenuation Relations for North East India based on Non-Linear Regression Models”, Journal of Earthquake Engineering.

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