Evaluasi Kinerja Struktur Bangunan Eksisting Berdasarkan SNI 9273:2025 Menggunakan Analisis Statik Non-Linear Pushover (Studi Kasus: Gedung 1 Universitas Mataram)

Siregar, Agles Gracia (2026) Evaluasi Kinerja Struktur Bangunan Eksisting Berdasarkan SNI 9273:2025 Menggunakan Analisis Statik Non-Linear Pushover (Studi Kasus: Gedung 1 Universitas Mataram). S1 thesis, Universitas Kristen Indonesia.

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Abstract

Tingginya aktivitas seismik di wilayah Lombok menuntut evaluasi berkelanjutan terhadap ketahanan bangunan pendidikan guna menjamin keselamatan jiwa. Penelitian ini bertujuan untuk mengevaluasi kinerja struktur Gedung Kampus Universitas Mataram yang sebelumnya dibangun berdasarkan SNI 1726:2012, dengan menggunakan standar evaluasi terbaru yaitu SNI 9273:2025. Metode yang digunakan adalah Analisis Statik Non-Linear Pushover untuk menentukan level kinerja bangunan terhadap beban gempa rencana BSE-1E (periode ulang 225 tahun) dan BSE-2E (periode ulang 975 tahun). Hasil penelitian menunjukkan bahwa gedung yang termasuk dalam Kategori Risiko IV ini memenuhi target kinerja yang disyaratkan oleh SNI 9273:2025. Pada tingkat bahaya gempa BSE-1E, bangunan mencapai level kinerja Immediate Occupancy (IO) dengan nilai displacement arah x yaitu sebesar 98,128 mm, dengan performance point terdapat pada drift maksimum sebesar 0,0038. Sedangkan nilai perpindahan atap (displacement) dari performance point arah y yaitu sebesar 42,709 mm sehingga terjadi drift maksimum sebesar 0,0016. Sedangkan pada tingkat BSE-2E displacement arah X berada di 169,016 mm dan performace point pada drift maksimum sebesar 0,0065. Sedangkan di arah Y, displacement yang terjadi berada di 77,907 mm dan memiliki drift maksimum sebesar 0,00301, tidak ada kerusakan struktural serius pada bangunan dan berada di level Immediate Occupancy (IO). Analisis plastifikasi menunjukkan bahwa prinsip Strong Column-Weak Beam telah terpenuhi, di mana pelelehan pertama terjadi pada elemen balok lantai 2 dan kaki kolom. Namun, hasil evaluasi Tier 1 menunjukkan adanya elemen balok dan kolom yang berstatus Not Compliant pada kapasitas geser (Vu ≥ ∅Vn). Oleh karena itu, direkomendasikan untuk melakukan perkuatan struktur berupa jacketing pada elemen spesifik tersebut serta melanjutkan analisis dengan prosedur yang lebih mendalam mengingat lokasi bangunan berada di wilayah seismisitas tinggi. /The high seismic activity in the Lombok region necessitates continuous evaluation of the resilience of educational buildings to ensure life safety. This study aims to assess the structural performance of the Universitas Mataram Campus Building, which was originally designed in accordance with SNI 1726:2012, using the latest evaluation standard, SNI 9273:2025. The method employed is Non-Linear Static Pushover Analysis to determine the building’s performance level under the design earthquake loads BSE-1E (return period of 225 years) and BSE-2E (return period of 975 years). The results indicate that the building, classified under Risk Category IV, meets the performance targets required by SNI 9273:2025. At the BSE-1E hazard level, the building achieves Immediate Occupancy (IO) performance, with displacement in the x-direction of 98.128 mm and a performance point corresponding to a maximum drift of 0.0038. Meanwhile, the roof displacement at the performance point in the y-direction is 42.709 mm, resulting in a maximum drift of 0.0016. At the BSE-2E hazard level, displacement in the x-direction reaches 169.016 mm with a performance point at a maximum drift of 0.0065, while in the y-direction displacement is 77.907 mm with a maximum drift of 0.00301. No severe structural damage is observed, and the building remains at the Immediate Occupancy (IO) level. Plasticity analysis confirms that the Strong Column–Weak Beam principle is satisfied, with the first yielding occurring in the second-floor beam elements and column bases. However, Tier 1 evaluation results reveal that certain beam and column elements are Not Compliant in terms of shear capacity (Vu ≥ ∅Vn). Therefore, structural strengthening through jacketing of specific elements is recommended, along with further in-depth analysis, given the building’s location in a high-seismicity region.

Item Type: Thesis (S1)
Contributors:
ContributionContributorsNIDN/NIDKEmail
Thesis advisorSimanjuntak, PinondangNIDN0310116003pstak@gmail.com
Thesis advisorFau, Martinus NNIDN0301039602martinusnfau@gmail.co
Subjects: GENERAL WORKS > Academies and learned societies > By region or country
EDUCATION > Education (General) > Periodicals. Societies
Divisions: FAKULTAS TEKNIK > Teknik Sipil
Depositing User: Ms Agles Gracia Siregar
Date Deposited: 21 Sep 2026 02:26
Last Modified: 21 Sep 2026 02:26
URI: http://repository.uki.ac.id/id/eprint/22031

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