Aprillianto, Muhammad Daffa (2026) Studi Komparasi Penggunaan Steel Plate Shear Wall (SPSW) Antara Material Baja Konvensional Dengan Baja Low-yield-point (LYP) Pada Bangunan Rumah Sakit. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Sistem Dinding Geser Pelat Baja (Steel Plate Shear Wall/SPSW) merupakan sistem penahan beban lateral yang terdiri dari pelat pengisi baja tipis yang dihubungkan dengan elemen pembatas vertikal (VBE) dan horizontal (HBE). Penelitian ini melakukan modifikasi desain struktur Rumah Sakit Umum Daerah Eka Candrarini menjadi bangunan 20 lantai menggunakan material komposit baja-beton dengan sistem ganda (dual system) yang menggabungkan Sistem Rangka Pemikul Momen Khusus (SRPMK) dan SPSW. Studi ini membandingkan dua variasi model: Model 1 menggunakan pelat SPSW baja konvensional (A36), sedangkan Model 2 menggunakan baja Low-Yield-Point (LYP100). Baja LYP memiliki titik leleh rendah (100–235 MPa) namun memiliki karakteristik daktilitas tinggi yang secara teoritis unggul dalam mendisipasikan energi gempa. Kinerja kedua model dievaluasi menggunakan metode analisis beban dorong (pushover analysis) untuk meninjau parameter disipasi energi, gaya geser dasar (base shear), simpangan antar lantai (drift), perpindahan atap (roof displacement), dan tingkat kinerja struktur. Hasil analisis menunjukkan bahwa Model 1 memiliki kapasitas disipasi energi yang lebih besar 34,01% pada arah X, namun lebih rendah 0,62% pada arah Y dibandingkan Model 2. Dari segi kekuatan, Model 1 menghasilkan gaya geser dasar yang lebih besar 0,75% pada kedua arah tinjauan. Terkait parameter deformasi, Model 1 mencatatkan simpangan antar lantai maksimum yang lebih kecil 2,68% pada arah X, namun lebih besar 4,63% pada arah Y, serta mengalami perpindahan atap yang lebih besar pada kedua arah (9,36% arah X dan 8,93% arah Y) dibandingkan Model 2. Berdasarkan kriteria ASCE 41-13, kedua model struktur mencapai target kinerja yang disyaratkan, yaitu berada pada rentang Immediate Occupancy (IO) hingga Life Safety (LS).
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The Steel Plate Shear Wall (SPSW) system comprises thin steel infill plates connected to Vertical Boundary Elements (VBE) and Horizontal Boundary Elements (HBE). This study involves the structural modification of the Eka Candrarini General Hospital into a 20-story building using steel-concrete composite materials and a dual system consisting of Special Moment Resisting Frames (SMRF) and SPSW. The structure was analyzed using two distinct models: Model 1 utilizes conventional A36 steel for the SPSW, while Model 2 employs Low-Yield-Point (LYP100) steel. LYP steel is characterized by a low yield point (approximately 100-235 MPa) but possesses excellent ductility, resulting in potentially superior energy dissipation compared to conventional steel. A comparative study was conducted using pushover analysis to evaluate energy dissipation capacity, base shear, inter-story drift, roof displacement, and structural performance levels. The analysis reveals that Model 1 demonstrates higher energy dissipation in the X-direction (34.01% higher) but slightly lower performance in the Y-direction (0.62% lower) compared to Model 2. In terms of base shear, Model 1 exceeds Model 2 by 0.75% in both directions. The maximum inter-story drift of Model 1 is 2.68% lower in the X-direction but 4.63% higher in the Y-direction compared to Model 2. Moreover, Model 1 exhibits larger roof displacements in both the X and Y directions (9.36% and 8.93% respectively). Both models achieved a performance level within the Immediate Occupancy to Life Safety (IO-LS) range.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Bangunan tahan gempa, Baja LYP, Dinding geser pelat baja, Disipasi energi, Pushover analysis, Earthquake-Resistant Building, Energy Dissipation, Low Yield Point Steel, Pushover Analysis, Steel Plate Shear Wall |
| Subjects: | T Technology > TH Building construction T Technology > TH Building construction > TH1095 Earthquakes and building T Technology > TH Building construction > TH2247 Shear walls--Materials |
| Divisions: | Faculty of Civil, Planning, and Geo Engineering (CIVPLAN) > Civil Engineering > 22201-(S1) Undergraduate Thesis |
| Depositing User: | Muhammad Daffa Aprillianto |
| Date Deposited: | 21 Jan 2026 05:57 |
| Last Modified: | 21 Jan 2026 05:57 |
| URI: | http://repository.its.ac.id/id/eprint/129952 |
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