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Hia, Titonik
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Environmental Science Mathematics Mechanical Engineering Social Sciences Transportation Other

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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.
Analisis Penerapan Keselamatan dan Kesehatan Kerja (K3) pada Proyek Konstruksi Gedung Sekolah Rakyat Serdang Bedagai Monica Agnes Marbun; Refina Olivia Simamora; Rista Lumbantoruan; Ronal Regen Silitonga; Titonik Feberman Hia; Yuni Yolanda
Jurnal Pendidikan Tambusai Vol. 10 No. 2 (2026): Agustus
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v10i2.38517

Abstract

Keselamatan dan Kesehatan Kerja (K3) merupakan aspek penting dalam pelaksanaan proyek konstruksi untuk meminimalisir risiko kecelakaan kerja. Penelitian ini bertujuan untuk menganalisis penerapan sistem K3 pada proyek pembangunan gedung di Kota Medan. Metode yang digunakan adalah metode deskriptif dengan pendekatan kualitatif melalui observasi lapangan, wawancara, dan dokumentasi di proyek Sekolah Rakyat Serdang Bedagai Hasil penelitian menunjukkan bahwa penerapan K3 telah dilakukan namun belum optimal, terutama dalam penggunaan alat pelindung diri (APD) dan kepatuhan terhadap rambu keselamatan. Faktor penyebab meliputi kurangnya pengawasan dan rendahnya kesadaran pekerja. Kesimpulan penelitian ini adalah diperlukan peningkatan pengawasan dan sosialisasi K3 untuk meningkatkan keselamatan kerja di proyek konstruksi
Keselamatan dan Kesehatan Kerja Proyek Pembangunan Kantor OJK Medan Aldo Kristian Silaban; Annisa Annisa; Deliana Sinaga; Gilbert Rizky H Panggabean; Jeremia E.M. Simorangkir; Titonik Feberman Hia; Yuni Yolanda
Jurnal Pendidikan Tambusai Vol. 10 No. 2 (2026): Agustus
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v10i2.39654

Abstract

Penerapan Keselamatan dan Kesehatan Kerja Lingkungan (K3L) pada Proyek Pembanguann kantor OJK Medan. Proyek ini merupakan pembangunan gedung bertingkat dengan tingkat kompleksitas tinggi sehingga memiliki berbagai potensi risiko kerja seperti pekerjaan di ketinggian, penggunaan alat berat, pekerjaan listrik, serta aktivitas pengelasan dan pekerjaan di ruang terbatas. Tujuan dari penyusunan laporan ini adalah untuk mengidentifikasi aktivitas kerja berisiko, area kerja berbahaya, serta waktu pelaksanaan yang memiliki tingkat risiko tinggi, sekaligus menganalisis penerapan sistem K3L di lapangan. Metode yang digunakan adalah observasi langsung selama kegiatan proyek serta studi literatur terhadap standar K3 yang berlaku. Hasil pembahasan menunjukkan bahwa penerapan K3L telah dilakukan melalui penggunaan alat pelindung diri (APD), pemasangan rambu keselamatan, pelaksanaan safety talk, penerapan SOP K3, serta pengawasan oleh petugas K3 dan mandor. Selain itu, pengelolaan lingkungan kerja seperti kebersihan area, pengendalian debu, kebisingan, pencahayaan, ventilasi, serta pengaruh cuaca juga menjadi bagian penting dalam menjaga keselamatan kerja. Dengan penerapan sistem K3L yang baik dan konsisten, diharapkan risiko kecelakaan kerja dapat diminimalkan serta tercapai target zero accident pada proyek konstruksi tersebut.
IDENTIFIKASI PENERAPAN KESELAMATAN DAN KESEHATAN KERJA (K3) PADA PROYEK PEMBANGUNAN SEKOLAH XYZ, DI KECAMATAN HAMPARAN PERAK, KABUPATEN DELI SERDANG, SUMATERA UTARA: EVALUASI PENERAPAN KESELAMATAN DAN KESEHATAN KERJA (K3) PADA PROYEK KONSTRUKSI GEDUNG SEKOLAH DI KABUPATEN DELI SERDANG Rumiris Simamora; Putri Radhika Meisya Br Barus Barus; Egi Heindrik Pandiangan; Josua Orlando Lingga4; Fiser Tampubolon5; Titonik Feberman Hia; yuni Yolanda
Jurnal Teknologi Lingkungan Vol. 4 No. 1 (2026): Jurnal Teknologi Lingkungan
Publisher : Fakultas Teknik Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jtl.v4i1.34691

Abstract

The implementation of Occupational Health and Safety (OHS/SMK3) integrated with environmental management remains a challenge in construction projects, particularly due to inconsistent use of Personal Protective Equipment (PPE), limited distribution of safety signage, and potential hazards arising from high-risk work activities. These issues were identified in the XYZ School Construction Project located in Hamparan Perak District, Deli Serdang Regency, which involves various construction activities with significant risks to worker safety and environmental quality, such as dust, noise, and material waste. This study aims to analyze the level of OHS implementation and evaluate aspects that need improvement to minimize occupational accident risks and environmental impacts. The research method used is descriptive qualitative with an observational approach through direct field observations conducted over approximately three months, supported by documentation and literature review. Data were analyzed by classifying OHS aspects, including high-risk work activities, PPE usage, safety signage and facilities, work environment conditions, as well as supervision and work procedures. The results indicate that OHS implementation has generally been carried out adequately; however, several issues remain, including inconsistent PPE usage, uneven distribution of safety signage, and suboptimal control of environmental factors such as dust and noise. In conclusion, although most OHS standards have been met, improvements in PPE compliance, distribution of safety facilities, supervision, and environmentally oriented work practices are necessary to reduce accident risks and achieve a safer, healthier, and more sustainable construction environment.
Pemanfaatan Limbah Plastik Polyethylene Terephthalate (PET) Sebagai Agregat Kasar Beton Ringan: Systematic Literature Review Arrisha Anggraini; Wenny Herdianti; Ivana Christine Sembiring Brahmana; Titonik Feberman Hia; Melvi Maulita Napitupulu; I Gede Wyana Lokantara
JURNAL TECNOSCIENZA Vol. 10 No. 2 (2026): JURNAL TECNOSCIENZA
Publisher : JURNAL TECNOSCIENZA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51158/thjvb146

Abstract

Plastic waste, particularly polyethylene terephthalate (PET) from beverage bottles, constitutes a major source of non-biodegradable waste that is difficult to decompose and poses long-term environmental risks. The utilization of polyethylene terephthalate (PET) waste as a partial replacement for coarse aggregate in concrete offers a dual benefit: reducing plastic waste while conserving natural aggregates and decreasing concrete density for lightweight applications.This study systematically examines the mechanical properties of polyethylene terephthalate (PET)-based concrete through a systematic literature review following the PRISMA 2020 protocol, covering publications from 2018 to 2026. A literature search was conducted across the SINTA, Portal Garuda, Google Scholar, and Scopus databases, yielding 155 initial articles. After a rigorous screening process, 7 experimental studies met the inclusion criteria, namely those that utilized polyethylene terephthalate (PET) as a coarse aggregate substitute and reported quantitative data on compressive strength and/or density. The synthesis reveals a consistent trend in which increasing polyethylene terephthalate (PET) content reduces compressive  strength (ranging from 13–20 MPa at 5–10% substitution and 7–10 MPa at >25%) as well as density (1,645–1,900 kg/m³), resulting in lightweight non-structural concrete. A combination of PET and rice husk ash achieved an optimal compressive strength of 24.85 MPa. Substitution levels of 5–10% are most suitable for semi-structural elements, whereas levels above 25% are optimal for non-structural applications such as partition panels and precast drainage channels. 
Analisis Penerapan Sistem Manajemen Keselamatan Dan Kesehatan Kerja (SMK3) Pada Proyek Konstruksi Bangunan Bertingkat, Studi Kasus Pembangunan Hotel Di Balige, Toba Anggun Lady Paska Sibuea; Sandra Aulia Sitompul; Agnes Monaliska Sitanggang; Aldi Harliansyah Harahap; Titonik Feberman Hia; Yuni Yolanda
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 2 (2026): JITESNA - Juli
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i2.1397

Abstract

This study analyzes the implementation of the Occupational Health and Safety Management System (OHSMS/SMK3) at the Hotel XYZ construction project in Balige, Toba, North Sumatra. The project is a 16-story hotel building currently at the structural work stage (floors 6-8) at the time of observation. A qualitative observational method was used, carried out during a 3-month internship period. Data was collected through direct field observations covering risk activities, use of personal protective equipment (PPE), availability of K3 signs and facilities, as well as supervision and work procedures. The results show that high-risk activities such as working at height, heavy equipment operation, material lifting, welding, and electrical work were identified at the site. PPE consisting of safety helmets, reflective vests, safety shoes, work gloves, and full body harnesses were available; however, worker compliance in using PPE was still low. Several critical K3 facilities were not available, including K3 signs, assembly points, fire extinguishers (APAR), Lock Out-Tag Out (LOTO) systems, safety briefings, APD supervision, K3 SOPs, and K3 officers. These findings indicate that the SMK3 implementation at this project is still in the poor category based on the performance criteria of Ministerial Regulation PU No. 9 of 2008. Improvement recommendations include providing complete K3 facilities, implementing routine safety talks, strengthening supervision, and appointing competent K3 officers.
Co-Authors Agnes Monaliska Sitanggang Aldi Harliansyah Harahap Aldo Kristian Silaban Anggraini, Arrisha Anggun Lady Paska Sibuea Annisa Annisa Aula Sekar Arum Pertiwi Daniel Anderson Munthe Deliana Sinaga Egi Heindrik Pandiangan Fikryah Atikah Pane Fiser Tampubolon5 Gilbert Rizky H Panggabean I Gede Wyana Lokantara . Ivana Christine Sembiring Ivana Christine Sembiring Brahmana Jayantara, I Wayan Putra Jeremia E.M. Simorangkir Josua Orlando Lingga4 Melvi Maulita Napitupulu Melvi Maulita Napitupulu Monica Agnes Marbun Putri Radhika Meisya Br Barus Barus Refina Olivia Simamora Rista Lumbantoruan Ronal Regen Silitonga Rumiris Simamora Sandra Aulia Sitompul Syahril Wenny Herdianti Yuni Yolanda Yuni Yolanda