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All Journal Angkasa: Jurnal Ilmiah Bidang Teknologi Journal of Global Engineering Research & Science (J-GERS)
Ribut Nawang Sari
Jakarta Global University
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Environmental Science

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PLANNING EARTHQUAKE RESISTANT UPPER BUILDING STRUCTURES WITH MOMENT GRABBING FRAME SYSTEM IN THE MARDHIKA PARK APARTMENT BUILDING 20 FLOORS TAMBUN – BEKASI Holis Muhlisin; Ribut Nawang Sari; Sukatja Sukatja
Journal of Global Engineering Research and Science Vol. 1 No. 2 (2022): Journal of Global Engineering Research & Science (J-GERS)
Publisher : Jakarta Global University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/jgers.v1i2.24

Abstract

Indonesia is an area with a high level of vulnerability to earthquake disasters, where this earthquake has caused a lot of losses and damage to building structures. Therefore, to reduce the risk due to the earthquake, it is necessary to plan earthquake-resistant building structures. The structural planning of building construction is needed to get the most effective and efficient dimensions and configuration of the structure. Collapsed buildings that are not strong enough to withstand lateral loads caused by the earthquake have resulted in significant loss of property and even lives. The purpose of writing this thesis is to design an earthquake-resistant Mardhika Park Apartment Building with a moment-resisting frame system (SRPM) which is planned in accordance with SNI 1726:2019 Earthquake (Earthquake Resistance Planning Procedures for Building and Non-Building Structures), SNI 2847 for Reinforced Concrete: 2019 (Requirements for structural concrete for buildings and their explanations), and the loading in accordance with SNI 1727:2020 for (Minimum Loads for Design of Buildings and Other Structures). The structural design of the Mardhika Park Apartment Building includes the design of this superstructure which includes columns, beams, and floor plates. Then the loads that are reviewed for structural element planning are dead, live, and earthquake loads. To assist in calculating the structure is also used Software "SAP2000 " to facilitate the calculation of the structure.
Rancang Bangun Mesin Ekstruder Filamen 3D Printing Berbahan Dasar Limbah Botol Plastik PET Muhammad Rifki; Ibnu Hafizh; Anugrah Budi Wicaksono; Mohamad Zaenudin; Alvin Mubarok; Ribut Nawang Sari
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 18, No 3 (2026): Agustus
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v18i3.3978

Abstract

This research focuses on the design and construction of a 3D printing filament extruder machine using recycled PET plastic bottles as the primary material. The aim is to provide a cost-effective and environmentally friendly solution for producing 3D printing filament. The methodology involves collecting references, designing the machine, and manufacturing the components. The machine utilizes a cartridge heater for melting the PET plastic, a stepper motor for material pulling, and an automatic winding system. The design incorporates a filament guiding system with a limit switch for consistent winding. Calculations were performed to determine the required motor power (1.75 watts) and heater power (58 watts). The results demonstrate the successful conversion of PET plastic waste into standard 1.75 mm diameter filament. The designed extruder machine offers an economical and sustainable alternative for PET plastic waste utilization. Further research should focus on filament quality testing, temperature stability improvement, and production rate optimization
Co-Authors Alvin Mubarok Anugrah Budi Wicaksono Holis Muhlisin Ibnu Hafizh Mohamad Zaenudin Muhammad Rifki Sukatja Sukatja