Evaluasi Kerapuhan Seismik Gedung Fakultas Teknik UNJANI Menggunakan Metode HAZUS
DOI:
https://doi.org/10.55893/jt.vol25no1.834Keywords:
seismic fragility, HAZUS Method, damage probability, pushover analysis, fragility curveAbstract
Seismic fragility assessment of educational buildings is important in Indonesia due to its high seismicity. This assessment is required to support risk mitigation and ensure the continuity of building function after earthquakes. This study aims to evaluate the seismic fragility of the Faculty of Engineering Building at UNJANI as an educational facility by integrating nonlinear static pushover analysis and the HAZUS Method. Using finite element-based software, the building was modeled three-dimensionally to obtain the capacity curve, performance point, and spectral displacement. The HAZUS method was applied to estimate the probability of damage states: slight, moderate, extensive, and complete. The results indicate that the building is classified as a mid-rise reinforced concrete moment-frame structure (C1M) with high seismicity level. Structural performance is at Immediate Occupancy in both the X and Y directions, indicating adequate capacity under the design seismic loads. Damage probabilities in the X direction are 0.0% complete, 10.0% extensive, 99.6% moderate, and 100.0% slight, while those in the Y direction are 0.0% complete, 16.0% extensive, 99.9% moderate, and 100.0% slight. Thus, the dominant damage is slight to moderate. Further research is recommended to consider dynamic analysis to strengthen the validation of the results.
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