Alternatif Desain Penggunaan Perangkat Fluid Viscous Damper (FVD) pada Struktur Gedung Perkuliahan 13 Lantai di Surabaya

Zahiro, Almasa (2025) Alternatif Desain Penggunaan Perangkat Fluid Viscous Damper (FVD) pada Struktur Gedung Perkuliahan 13 Lantai di Surabaya. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Fluid Viscous Damper (FVD) merupakan perangkat peredam energi tambahan yang dapat digunakan untuk meningkatkan performa seismik bangunan yang terletak di zona seismik aktif. Dalam proyek akhir ini, direncanakan struktur alternatif desain dengan penambahan FVD pada gedung perkuliahan 13 lantai di Surabaya yang berdiri di atas tanah lunak dan memiliki sistem struktur eksisting berupa SRPMK + dual system (open frame dan shearwall)
Analisis dilakukan dalam dua tahap dengan metode respons spektrum untuk mengevaluasi perilaku struktur terhadap beban gempa. Analisis tahap I merupakan pemodelan dan kontrol perilaku struktur eksisting mencakup rasio partisipasi massa, periode fundamental, gaya geser dasar, simpangan antar lantai, efek P-Delta, dan ketidakberaturan struktur. Hasil menunjukkan bahwa struktur eksisting memenuhi ketentuan yang tercantum dalam SNI 1726:2019. Analisis tahap II merupakan perencanaan struktur alternatif desain dengan terlebih dahulu mengubah sistem struktur eksisting menjadi SRPMB (open frame) dan menghilangkan dinding geser. Struktur ini tidak memenuhi batas simpangan dan menunjukkan adanya ketidakberaturan horizontal dan vertikal. Selanjutnya, dilakukan pemodelan alternatif desain dengan menambahkan 14 unit FVD tipe 20880 pada struktur SRPMB. Hasil kontrol perilaku struktur tersebut menunjukkan bahwa penambahan FVD meningkatkan kinerja seismik struktur dengan mereduksi deformasi sebesar 29%, periode struktur sebesar 1,54%, simpangan antar lantai sebesar 53,46%, serta efek P-Delta sebesar 49%. Gaya geser dasar terskala hanya meningkat sebesar 0,99%. Ketidakberaturan struktur pun berhasil dieliminasi. Selain itu, diperoleh pengurangan kebutuhan tulangan sebesar 1% dan penurunan jumlah tiang pancang hingga 45%.
Perencanaan Rencana Anggaran Biaya (RAB) struktur alternatif desain untuk material struktur dan pondasi yang mengalami perubahan menunjukkan peningkatan biaya hingga 352,7% dibandingkan struktur eksisting. Oleh karena itu, Penerapan struktur alternatif desain kurang direkomendasikan secara ekonomis di Indonesia, meskipun dapat meningkatkan kinerja seismik pada struktur SRPMB serta menurunkan biaya tulangan elemen struktur dan pondasi pada struktur eksisting.
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Fluid Viscous Damper (FVD) is an additional energy dissipation device that can be used to enhance the seismic performance of buildings located in active seismic zones. In this thesis, an alternative structural design is proposed by incorporating FVDs into a 13-story university building in Surabaya, which is founded on soft soil and has an existing structural system consisting of a Special Moment Resisting Frame (SMRF) combined with a dual system (open frame and shear wall).
The analysis was conducted in two stages using the response spectrum method to evaluate the structural behavior under seismic loads. Stage I involved modeling and evaluating the performance of the existing structure, covering mass participation ratio, fundamental period, base shear, inter-story drift, P-Delta effect, and structural irregularities. The results showed that the existing structure met the requirements specified in SNI 1726:2019. Stage II focused on the alternative design planning, which initially involved modifying the existing structural system into an Ordinary Moment Resisting Frame (OMRF/open frame) by removing the shear walls. This structure failed to meet drift limits and exhibited both horizontal and vertical irregularities. Subsequently, an alternative design model was developed by incorporating 14 units of FVD type 20880 into the OMRF structure. The performance evaluation of this model showed that the addition of FVDs improved the seismic performance by reducing deformation by 29%, the fundamental period by 1.54%, inter-story drift by 53.46%, and the P-Delta effect by 49%. The scaled base shear increased only slightly, by 0.99%. Structural irregularities were successfully eliminated. In addition, reinforcement demand was reduced by 1%, and the number of required piles was reduced by up to 45%.
The cost estimation planning (RAB) for the alternative structural design including structural and foundation materials that underwent modifications shows a cost increase of up to 352.7% compared to the existing structure. Therefore, although the alternative structural design improves the seismic performance of the OMRF and reduces reinforcement and foundation costs of the existing structure, its application is not economically recommended in Indonesia.

Item Type:	Thesis (Other)
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA645 Structural analysis (Engineering) T Technology > TA Engineering (General). Civil engineering (General) > TA658 Structural design T Technology > TA Engineering (General). Civil engineering (General) > TA660.F7 Structural frames. T Technology > TA Engineering (General). Civil engineering (General) > TA681 Concrete construction T Technology > TH Building construction > TH1095 Earthquakes and building
Divisions:	Faculty of Civil Engineering and Planning > Civil Engineering > 22301-(D4) Diploma 4
Depositing User:	Almasa Zahiro
Date Deposited:	04 Aug 2025 01:54
Last Modified:	04 Aug 2025 01:54
URI:	http://repository.its.ac.id/id/eprint/125425

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