Badreiq, Abdullah Ali (2026) MODIFIKASI STRUKTUR GEDUNG HOTEL WISATA LOMBOK MENGGUNAKAN SISTEM STRUKTUR FLAT SLAB. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Lombok is a region with high seismic activity; therefore, multistory buildings must be designed with structural systems capable of resisting earthquake-induced lateral loads. This study modifies the structure of the Hotel Wisata Lombok building from 5 to 10 stories using a flat slab system combined with shear walls. The flat slab system was selected due to its space efficiency and architectural flexibility; however, it is susceptible to lateral loads and punching shear. Therefore, drop panels were employed to increase slab stiffness and improve punching shear resistance. Structural analysis was conducted in accordance with SNI 1726:2019, while structural performance was evaluated using the Performance-Based Design approach through nonlinear static pushover analysis based on ATC-40. The results indicate that the 250 mm thick floor slab requires D16 main reinforcement, while the slab–column connection uses a 100 mm thick drop panel with D13 main reinforcement and 4D16-150 mm shear reinforcement. Column K1 has dimensions of 900 × 900 mm with 28D25 longitudinal reinforcement, whereas Column K2 measures 600 × 600 mm with 20D25 longitudinal reinforcement. The 350 mm thick shear wall uses 2D13-350 mm longitudinal and transverse reinforcement. The factored nominal shear strength of the slab–column connection is 5923.31 kN, exceeding the ultimate shear force of 472.107 kN, while the slab–shear wall connection has a factored nominal shear strength of 1213.92 kN, exceeding the ultimate shear force of 390.612 kN, indicating that the structure is safe against punching shear. Pushover analysis yielded structural performance levels of 0.0040 in the X direction and 0.0065 in the Y direction, classifying the structure as Immediate Occupancy (IO). In addition, ductility values of 4.57 in the X direction and 3.32 in the Y direction indicate that the structure exhibits partial ductility.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||||||
| Divisions: | Faculty of Engineering > Departement of Civil Engineering | ||||||||||||
| Depositing User: | ABDULLAH ALI BADREIQ | ||||||||||||
| Date Deposited: | 23 Jul 2026 09:01 | ||||||||||||
| Last Modified: | 10 Sep 2026 01:27 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/57235 |
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