Seismic Response of Mid-Rise Steel SMRF with Panel Zone Modeling

Indah Nur Afiah; Mentari Septanya Sitorus

doi:10.59890/ijaamr.v4i5.218

Authors

Indah Nur Afiah State University of Makassar
Mentari Septanya Sitorus State University of Makassar

DOI:

https://doi.org/10.59890/ijaamr.v4i5.218

Keywords:

Panel Zone, SMRF Steel Structure, Seismic Response, Response Spectrum Analysis

Abstract

This study evaluates the effect of panel zone modeling on the seismic response of a six-story Special Moment-Resisting Frame (SMRF) steel structure using Response Spectrum Analysis (RSA) in accordance with SNI 1726:2019 and the Indonesian Design Spectrum for Padang City. Two ETABS models, with and without panel zones, were analyzed under identical conditions. Structural responses evaluated included displacement, inter-story drift, story shear, story stiffness, and P-Delta effects. The results show that panel zones increase displacement, inter-story drift, and stability coefficients while reducing story stiffness, particularly in the X-direction. However, changes in story shear were relatively insignificant. All structural response parameters remained within the allowable limits specified by SNI regulations, indicating satisfactory seismic performance for both models

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