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All Journal Portal: Jurnal Teknik Sipil Jurnal Teknik Sipil Kokoh
Pratiwi, Hilda Febriyani
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Transportation

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LITERATURE REVIEW : EFISIENSI PERANGKAT TUNED MASS DAMPER (TMD) UNTUK MEREDUKSI RESPON DINAMIS JEMBATAN GANTUNG Bayuyudo, Zafira Jovita; Pratiwi, Hilda Febriyani; Istiqomah, Istiqomah
Kokoh Vol 23, No 1 (2025): Januari 2025
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/k.v23i1.79392

Abstract

Suspension bridges, as one type of vital infrastructure with long spans, often withstand challenges in the form of dynamic vibrations caused by pedestrian loads, vehicles, wind, or earthquakes. These vibrations can cause problems ranging from discomfort to structural damage. One effective solution to reduce these vibrations is to use a Tuned Mass Damper (TMD). TMD is a passive device designed to reduce dynamic response by adjusting the mass, springs, and dampers, thereby increasing the stability and performance of the bridge. This paper uses a literature study method with the aim of analyzing the TMD reduction system on the dynamic response of suspension bridge structures and to determine the efficient device parameters for reducing the dynamic response of the structure. Through theoretical understanding and literature studies, it is obtained that TMD can significantly increase the damping ratio of the structure, although its performance is highly dependent on design parameters such as mass ratio, tuning frequency, and damping ratio. Parameter analysis shows that increasing the distance factor significantly improves the local performance of TMD, TMD tuning errors can significantly reduce its effectiveness so that there is an analysis of the effectiveness of each parameter. Keywords: Damping Efficiency, Design Parameters, Dynamic Vibration, Suspension Bridge, Tuned Mass Damper
Evaluasi Kinerja Struktur Gedung Bertingkat Akibat Beban Gempa dengan Metode Pushover (Studi Kasus: Gedung Presisi 3 Mabes Polri) Pratiwi, Hilda Febriyani; Istiqomah, Istiqomah; Batubara, Ben Novarro
Portal: Jurnal Teknik Sipil Vol 17, No 2 (2025): October Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v17i2.7741

Abstract

Indonesia is located in the ring of fire and at the convergence of three tectonic plates, making it highly prone to earthquakes. This study aims to evaluate the seismic performance of the Presisi 3 Building at the Indonesian National Police Headquarters and determine its performance level based on displacement. The analysis was carried out using the response spectrum, equivalent static, and pushover methods with ETABS 18.1. The results indicate variations in maximum displacement and drift across the three methods. The pushover analysis produced a performance point with a base shear of 56,270.2575 kN and displacement of 461.685 mm in the x-direction, as well as a base shear of 49,926.4545 kN and displacement of 565.955 mm in the y-direction. According to ATC-40 and FEMA-440, the building’s performance level is categorized as Immediate Occupancy (IO), indicating that the structure remains safe and functional after an earthquake.Keywords: Displacement, Equivalent Static, Inter-story Drift, Pushover, Response Spectrum.
Co-Authors Bayuyudo, Zafira Jovita Ben Novarro Batubara istiqomah istiqomah