Andrio, Nur and Masagala, Algazt Aryad (2022) EVALUASI KINERJA STRUKTUR BANGUNAN MENGGUNAKAN PUSHOVER ANALYSIS BERDASARKAN FEMA 356 DAN ATC-40 (Studi Kasus: Gedung Hotel Asialink) EVALUATION OF BUILDING STRUCTURE PERFORMANCE USING PUSHOVER ANALYSIS BASED ON FEMA 356 AND ATC-40 (Case Study: Asialink Hotel Building). Tugas Akhir thesis, University Technology Yogyakarta.
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Abstract
Fenomena gempa bumi merupakan gejala alam yang sangat berpengaruh terhadap bangunan, terutama pada bangunan tinggi. Kerusakan yang ditimbulkan oleh bangunan tinggi akan lebih parah sehingga mengakibatkan korban jiwa bagi penghuni bangunan tersebut. Pentingnya perhitungan beban gempa dalam perencanaan desain struktur sebagai antisispasi apabila terjadi gempa, struktur bangunan diharapkan mampu menerima gaya gempa pada level tertentu tanpa terjadi kerusakan yang signifikan pada strukturnya. Pada saat ini, telah berkembang suatu konsep perencanaan untuk rekayasa gempa yaitu Perfomance Based Earthquake Engineering (PBEE). PBEE terbagi menjadi dua, yaitu Perfomance Based Seismic Design (PBSD) dan Perfomance Based Seismic Evaluation (PBSE). Evaluasi pada PBSE salah satunya adalah dengan analisa nonlinier Pushover. Analisa Pushover adalah analisa static non-linear untuk mengetahui perilaku keruntuhan suatu bangunan atau struktur. Penelitian tugas akhir ini dilakukan dengan mengevaluasi kinerja struktur bangunan Gedung Hotel Asialink terhadap ketahanan gempa yang disajikan dalam level kinerja bangunan (performance level) berdasarkan metode FEMA 356 dan ATC-40. Serta mengetahui perilaku keruntuhan terhadap sendi plastis pada balok dan kolom. Metode penelitian ini menggunakan bantuan software program SAP2000 v.14. Dari hasil analisis pushover didapatkan nilai hasil perhitungan analisis pushover besarnya gaya lateral maksimum untuk push x yang mampu ditahan oleh struktur sebesar 15041,070 kN yang terjadi pada step 32, dengan displacement 0,631361 m. Gaya lateral yang mampu ditahan untuk push y sebesar 10300,598 kN yang terjadi pada step 30, dengan displacement 0,583178 m. Hasil analisis kedua didapatkan berdasarkan metode FEMA 356 hasil analisis diperoleh nilai Performance Point untuk arah x = 0,489 m dan arah y = 0,594 m. Maka pada level kinerja berada pada Immediate Occupancy (IO). Sedangkan hasil analisis berdasarkan ATC-40 diperoleh nilai target perpindahan lateral struktur arah x = 0,005076 dan arah y = 0,006214. Hasil tersebut juga menunjukkan bahwa level kinerja berada pada Immediate Occupancy (IO). hal ini berarti bahwa kondisi bangunan pasca terjadi gempa, gedung tidak mengalami kerusakan struktur yang berarti dan dapat segera difungsikan kembali. Kata kunci: Immediate Occupancy, non-linier, performance level, pushover The phenomenon of earthquakes is a natural phenomenon that greatly affects buildings, especially high-rise buildings. The damage caused by tall buildings will be more severe, resulting in fatalities for the occupants of the building. The importance of calculating earthquake loads in structural design planning as anticipatory in the event of an earthquake, the building structure is expected to be able to accept earthquake forces at a certain level without significant damage to the structure. At this time, a planning concept for earthquake engineering has developed, namely Performance Based Earthquake Engineering (PBEE). PBEE is divided into two, namely Performance Based Seismic Design (PBS) and Performance Based Seismic Evaluation (PBSE). One of the evaluations of the PBSE is the Pushover nonlinear analysis. Pushover analysis is a non-linear static analysis to determine the collapse behavior of a building or structure. This final project research was conducted by evaluating the performance of the building structure of the Asialink Hotel Building against earthquake resistance which is presented in the performance level of the building based on the FEMA 356 and ATC-40 methods. As well as knowing the failure behavior of plastic hinges on beams and columns. This research method uses the software program SAP2000 v.14. From the results of the pushover analysis, the value of the calculation results of the pushover analysis of the maximum lateral force for push x that the structure can withstand is 15041.070 kN which occurs at step 32, with a displacement of 0.631361 m. The lateral force that can be resisted for push y is 10300,598 kN which occurs at step 30, with a displacement of 0.583178 m. The results of the second analysis were obtained based on the FEMA 356 method. The results of the analysis obtained the Performance Point value for the x direction = 0.489 m and the y direction = 0.594 m. So the performance level is at Immediate Occupancy (IO). While the results of the analysis based on ATC-40 obtained the target value of the lateral displacement of the structure in the direction of x = 0.005076 and direction of y = 0.006214. These results also indicate that the performance level is at Immediate Occupancy (IO). this means that the condition of the building after the earthquake occurred, the building did not suffer significant structural damage and could be immediately re-used. Keywords: Immediate Occupancy, non-linear, performance level, pushover
| Item Type: | Thesis (Skripsi, Tugas Akhir or Kerja Praktek) (Tugas Akhir) |
|---|---|
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Fakultas Sains dan Teknologi > S1 Teknik Sipil |
| Depositing User: | Kaprodi S1 Teknik Sipil UTY |
| Date Deposited: | 08 Dec 2023 07:50 |
| Last Modified: | 08 Dec 2023 07:50 |
| URI: | http://eprints.uty.ac.id/id/eprint/14449 |
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