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All Journal Jurnal Rekayasa Konstruksi Mekanika Sipil Jurnal Pengabdian Magister Pendidikan IPA
Hia, Titonik
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Civil Engineering, Building, Construction & Architecture Education

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Pengaruh Penggantian Semen Dynamix dengan GGBFS pada Kuat Tekan Beton Hia, Titonik; Syahril
Jurnal Rekayasa Konstruksi Mekanika Sipil Vol 8 No 1 (2025): Volume 8 Nomor 1 Tahun 2025
Publisher : Fakultas Teknik Universitas Katolik Santo Thomas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54367/jrkms.v8i1.4742

Abstract

Beton merupakan campuran semen portland, pasir/bahan penghancur (agregat), pasir (butir halus), air dan bahan tambahan lainnya (larutan beton). 2,5% emisi gas rumah kaca global dihasilkan oleh pabrik pengolahan PCC. Penelitian yang dilakukan yaitu melakukan pengujian kuat tekan beton untuk mengganti semen dengan sisa pembakaran baja tanur tinggi atau GGBFS dengan persentase penggantian 0%, 25%, 30%, 35%, 40%, 45%. Oleh karena itu, konsumsi semen dapat dikurangi dan limbah sisa pembakaran baja tanur tinggi dapat digunakan untuk konstruksi. Hasil pengujian menunjukkan bahwa penggantian semen dapat meningkatkan kuat tekan dengan tingkat penggantian yang baik sebesar 35% dan kuat tarik sebesar 34,55 MPa pada umur 28 hari.
Pelatihan AutoCAD untuk Meningkatkan Kompetensi Gambar Teknik Siswa Kelas XI SMK Negeri 2 Binjai: Pelatihan AutoCAD untuk Meningkatkan Kompetensi Gambar Teknik Siswa Kelas XI SMK Negeri 2 Binjai Anggiat Daniel Anderson Munthe; I Wayan Putra Jayantara; Fikryah Atikah Pane; Ivana Christine Sembiring; Aula Sekar Arum Pertiwi; Melvi Maulita Napitupulu; Titonik Feberman Hia
Jurnal Pengabdian Magister Pendidikan IPA Vol 9 No 1 (2026): Januari - Maret 2026
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v9i1.14931

Abstract

This community service activity aims to improve the competence of vocational high school students in using AutoCAD software for technical drawing. The activity was conducted at SMK Negeri 2 Binjai involving 32 students of grade XI. The method used in this activity was a hands-on training approach combined with pre-test and post-test evaluation to measure the improvement of students’ competencies. The training materials included initial AutoCAD settings, layer management, dynamic block usage, title block creation, and proper layout and printing scale settings. The results showed that students competencies increased significantly after the training. The average pre-test score was 75.63 with a median of 75 and a score range of 35–100. After the training, the average post-test score increased to 90.94 with a median of 95 and a range of 60–100. The results indicate that practical-based AutoCAD training effectively improves students’ skills in producing structured and standardized technical drawings. This activity also helps students understand professional workflows commonly applied in the construction industry. Therefore, AutoCAD training can be considered an effective strategy to enhance vocational students' technical drawing competencies.
Co-Authors Anggiat Daniel Anderson Munthe Aula Sekar Arum Pertiwi Fikryah Atikah Pane I Wayan Putra Jayantara Ivana Christine Sembiring Melvi Maulita Napitupulu Syahril