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All Journal Hikamatzu Journal of Multidisciplinary Research ELASTICITY: Journal of Applied Engineering Science ATDS Saintech Journal of Engineering Jurnal Pengabdian kepada Masyarakat
Andi Saputra
Akademi Teknik Deli Serdang
Religion Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mechanical Engineering Transportation

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Rekayasa Teknologi Konstruksi dan Manufaktur: Optimalisasi Material dan Strategi Teknikal dalam Infrastruktur Sumatera Utara Abidan Napitupulu; Andi Saputra; Mananda Ture Siburian
ELASTICITY: Journal of Applied Engineering Science Vol. 2 No. 1 (2025): ELASTICITY: Journal of Applied Engineering Science (In-Press)
Publisher : Lembaga Intelektual Muda Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/elastic.v2i1.86

Abstract

Structural performance in a variety of loading scenarios is an important aspect of civil engineering. This study compares the capacity of the structure based on existing conditions and simulation results using the ATC-40 and FEMA 356 methods. The main parameters analyzed include drift ratio, base shear, and displacement. The data sources used in this study consist of three main aspects, namely field and laboratory measurements. The data analysis in this study uses a combination of quantitative methods and numerical simulations. The results of the analysis showed that the drift ratio decreased from 1.5% in the existing conditions to 1.2% and 1.3% in the ATC-40 and FEMA 356 simulations. The base shear is also reduced from 500 kN to 480 kN and 470 kN, while the displacement is reduced from 35 mm to 32 mm and 30 mm. In addition, analysis of the stress distribution of various materials such as SS304L, NiCr, and 20% HTM showed significant differences in tensile strength, modulus of elasticity, and elongation. This study provides important insights for designing safer and more efficient structures to withstand dynamic loads
PENGARUH VARIASI SUSUNAN DAN FRAKSI SERAT SABUK KELAPA (COCONUT HUSK) SEBAGAI BAHAN DASAR DASHBOARD MOBIL DENGAN METODE TAGUCHI Parlindungan S Pasaribu; Ronald Naibaho; Andi Saputra; Daniel Haposan Harahap
ATDS Saintech Journal of Engineering Vol. 6 No. 2 (2025): Edisi Desember
Publisher : Akademi Teknik Deli Serdang

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Abstract

Penggunaan material komposit berbasis serat alam menjadi fokus utama dalam mengurangi ketergantungan terhadap bahan sintetis di industri otomotif. Penelitian ini mengevaluasi pengaruh variasi fraksi volume dan orientasi serat serat sabuk kelapa Coconut husk terhadap kekuatan tarik komposit sebagai alternatif bahan dashboard mobil. Serat sabuk kelapa dipilih karena memiliki sifat mekanik yang baik, ramah lingkungan, dan dapat diperbarui.Komposit dibuat menggunakan matriks resin polyester dengan variasi fraksi volume serat 3%, 5%, dan 7%, serta orientasi vertikal, horizontal dan acak. Sampel diuji tarik menggunakan metode hand lay-up sesuai standar ASTM D 638. Hasil penelitian menunjukkan variasi fraksi volume dan orientasi serat memengaruhi kekuatan tarik secara signifikan. Kombinasi serat vertikal dengan fraksi volume 7% menghasilkan kekuatan tarik tertinggi sebesar 38,95 MPa, sementara orientasi horizontal dengan fraksi 3% hanya mencapai 15,35 MPa. Semakin banyak serat sejajar dengan arah gaya tarik, semakin tinggi kekuatannya. Sebagaiperbandingan,kekuatan tarik plastic ABS HighI mpact untuk dashboardmobil berkisar antara 20-40 MPa. Oleh karena itu, komposit serat pandan duri memenuhi standar kekuatan dan berpotensi menjadi alternatif bahan yang ramah lingkungan untuk industri otomotif.
Efektivitas Teaching Factory Dalam Meningkatkan Kompetensi Siswa Smk Andi Saputra; Mananda Ture Siburian
Hikamatzu | Journal of Multidisciplinary Vol. 3 No. 1 (2026): Multidisciplinary Approach
Publisher : Hikamatzu | Journal of Multidisciplinary

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Abstract

Teaching Factory is a learning model that integrates school-based learning with real industrial production activities. This study aims to determine the effectiveness of the Teaching Factory model in improving the competencies of vocational high school (SMK) students. The research method used was a quasi-experimental design with a nonequivalent control group design. The research subjects were Grade XI students of the Mechanical Engineering expertise program at an SMK, divided into an experimental class that applied the Teaching Factory model and a control class that used conventional practical learning. Data were collected through competency tests, observation sheets, and documentation. Data analysis was carried out using descriptive statistics and inferential analysis through t-tests. The results showed that there was a significant difference in competency achievement between students who followed Teaching Factory-based learning and those who followed conventional learning. Teaching Factory learning proved effective in improving students’ technical competencies, work attitudes, and readiness for the world of work. Therefore, the Teaching Factory model can be recommended as an effective learning strategy to improve the quality of vocational education
Sosialisasi Pemanfaatan Energi Baru Terbarukan (EBT) Tenaga Surya Bagi Masyarakat Kabupaten Deli Serdang Ronald Naibaho; Wilson Sebastian Nababan; Joel Panjaitan; Parlindungan S Pasaribu; Andi Saputra; Daniel Haposan Harahap; Yunni Rianawati
Karya Unggul: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 1 (2025): Edisi Desember
Publisher : Karya Unggul: Jurnal Pengabdian Kepada Masyarakat

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Abstract

Kegiatan Pengabdian kepada Masyarakat ini bertujuan untuk meningkatkan pemahaman dan kesadaran masyarakat terhadap pemanfaatan Energi Baru Terbarukan (EBT), khususnya tenaga surya, sebagai sumber energi alternatif yang berkelanjutan. Kegiatan dilaksanakan melalui metode sosialisasi berupa pertemuan tatap muka dan praktik langsung penerapan teknologi energi surya kepada masyarakat di Kabupaten Deli Serdang. Permasalahan utama yang dihadapi adalah keterbatasan sumber daya manusia dan rendahnya tingkat pemahaman masyarakat mengenai konsep, manfaat, dan implementasi EBT. Pelaksanaan kegiatan didukung oleh kompetensi akademik Program Studi Teknik Mesin dan Teknik Elektro Akademi Teknik Deli Serdang melalui mata kuliah Konversi Energi, yang membahas aspek sumber energi, desain, implementasi, kebijakan, serta aplikasi sistem EBT. Hasil kegiatan menunjukkan adanya peningkatan pemahaman masyarakat terhadap pemanfaatan energi surya serta munculnya antusiasme untuk mengaplikasikan teknologi tersebut, baik pada rumah tangga maupun fasilitas publik seperti kantor desa. Kegiatan pengabdian ini memberikan kontribusi nyata terhadap upaya ketahanan energi nasional, mendorong kemandirian energi masyarakat, serta mendukung program ramah lingkungan menuju net zero emission. Dengan demikian, sosialisasi pemanfaatan EBT tenaga surya merupakan strategi efektif dalam meningkatkan bauran energi terbarukan secara nasional dan mendukung pencapaian target kontribusi energi terbarukan secara berkelanjutan.
Co-Authors Abidan Napitupulu Daniel Haposan Harahap Joel Panjaitan MANANDA TURE SIBURIAN Parlindungan S Pasaribu RONALD NAIBAHO Wilson Sebastian Nababan Yunni Rianawati