Suwuh, Nathania Regina (2026) Studi Komparasi Penerapan Struktur Baja Bracing CBF Tipe Konfigurasi Inverted V dan X pada Proyek Konstruksi Terintegrasi Rancang dan Bangun Pembangunan Twin Tower Pleburan Universitas Diponegoro. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Penelitian ini bertujuan untuk membandingkan kinerja struktur baja bertingkat dengan konfigurasi bracing Inverted V dan X terhadap beban gempa menggunakan analisis respons spektrum pada bantuan perangkat lunak ETABS berdasarkan SNI 1726:2019, SNI 1727:2020, dan SNI 1729:2020. Parameter yang dibandingkan meliputi berat struktur, partisipasi massa, periode getar alami, gaya geser seismik, sistem ganda, dan simpangan antar-lantai. Hasil penelitian menunjukkan bahwa kedua model memiliki berat struktur yang hampir sama dengan selisih sebesar 0,01% serta memenuhi persyaratan partisipasi massa dan sistem ganda. Dibandingkan konfigurasi X, konfigurasi Inverted V menghasilkan periode getar yang lebih pendek sebesar 13,69% pada arah X dan 11,39% pada arah Y, sehingga gaya geser seismik meningkat sebesar 11,38% pada arah X dan 13,67% pada arah Y. Meskipun demikian, simpangan antar-lantai menurun sebesar 11,02% pada arah X dan 16,56% pada arah Y. Berdasarkan hasil penelitian, dapat disimpulkan bahwa pada kondisi pemodelan yang digunakan, konfigurasi bracing Inverted V memberikan kinerja struktur yang lebih baik dibandingkan konfigurasi X karena memiliki kekakuan lateral yang lebih tinggi sehingga mampu mengurangi simpangan antar-lantai.
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This study aims to compare the structural performance of steel buildings with Inverted V and X bracing configurations under earthquake loading using response spectrum analysis in ETABS based on SNI 1726:2019, SNI 1727:2020, and SNI 1729:2020. The evaluated parameters include structural weight, mass participation, natural period, seismic base shear, dual system performance, and inter-story drift. The results show that both models have nearly identical structural weights with a difference of only 0.01% and satisfy the requirements for mass participation and the dual system. Compared with the X configuration, the Inverted V configuration produces a shorter natural period by 13.69% in the X direction and 11.39% in the Y direction, resulting in increases in seismic base shear of 11.38% and 13.67%, respectively. Nevertheless, the inter-story drift is reduced by 11.02% in the X direction and 16.56% in the Y direction. Based on the results of this study, it can be concluded that, under the modeling conditions considered, the Inverted V bracing configuration provides better structural performance than the X bracing configuration due to its higher lateral stiffness, resulting in reduced inter-story drift under earthquake loading.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Concentrically Braced Frame (CBF), Inverted V, X bracing, simpangan lateral, struktur baja. |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA645 Structural analysis (Engineering) T Technology > TA Engineering (General). Civil engineering (General) > TA658 Structural design |
| Divisions: | Faculty of Civil, Environmental, and Geo Engineering > Civil Engineering > 22201-(S1) Undergraduate Theses |
| Depositing User: | Nathania Regina Suwuh |
| Date Deposited: | 29 Jul 2026 05:04 |
| Last Modified: | 29 Jul 2026 05:04 |
| URI: | http://repository.its.ac.id/id/eprint/139229 |
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