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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Pengabdian Magister Pendidikan IPA Jurnal Tecnoscienza Jurnal Ilmiah Telsinas Elektro, Sipil dan Teknik Informasi
Jayantara, I Wayan Putra
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mathematics Other

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Studi Karakteristik Campuran Tambalan Cepat Mantap (TCM) Thanaya, ME., PhD, I Nyoman Arya; Jayantara, I Wayan Putra; Purbanto, I Gusti Raka
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 26, Nomor 1 (2020)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (166.212 KB) | DOI: 10.14710/mkts.v26i1.28446

Abstract

Patching road pothole can be done using Permanent Cold Patching (PCP). This research main aim was to analyze the characteristic of the PCP. PCP Super Cold Mix Asphalt was used for the experiment. The mixtures were compacted Marshall hummer in lab using, and plate compactor on site. It was obtained that: compaction temperature variation significantly affected the characteristic of the mixture. Compaction at 100°C and 150°C, met stability, porosity and VMA specification, but not for the VFB. It required more compaction energy. The stability of cold compacted mixture at the age of 1 hour gave 844.74 kg (min. 500 kg). Towards this value, at the age of 48 hours; 96 hours; 192 hours; 384 hours, respectively gave increase of stability of 102%; 140%; 183%; 187% and then constant. Cold compaction on site gave less performance with porosity values in a range of 4.585-8.22% (spec. 4% -10%), therefore the VFB is less than minimum 65% of VMA; the stability obtained was 1422.72 kg (>min 500kg) or 58% stability of the samples compacted in lab at the same 16 days of age where stability had become maximum (constant). Cantabro test result of the cold mix gave 100% weight loss (the sample disintegrated), meanwhile the hot mix only lost 7.56% from 16% max loss.
Financial Feasibility Analysis of Asphalt Mixing Plant Investment: A Case Study in Gianyar Regency, Bali Jayantara, I Wayan Putra
Jurnal Ilmiah Telsinas Vol 8 No 2 (2025)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/telsinas.v8i2.6969

Abstract

The availability of adequate road infrastructure is crucial for supporting mobility and regional economic growth. In Indonesia, increasing demand for high-performance roads has driven a transition from penetration macadam to hot mix asphalt (HMA). To meet this demand efficiently, reliable production facilities such as Asphalt Mixing Plants (AMP) are essential. This study aims to evaluate the financial feasibility of an AMP investment located in Pering Village, Blahbatuh District, Gianyar Regency, Bali. The analysis uses five financial indicators: Net Present Value (NPV), Internal Rate of Return (IRR), Benefit Cost Ratio (BCR), Break Even Point (BEP), and Annual Equivalent (AE). Financial data were collected from the company’s records of hotmix production and sales during the 2014–2020 period. The results indicate that the AMP project is financially viable. The NPV is Rp. 33.421.961.979, the IRR is 18% higher than the Minimum Attractive Rate of Return (MARR) of 16%—while the BEP was achieved in the 7th month of 2015. The AE value reached Rp. 4.774.565.997 per year, and the BCR was calculated at 1,244. These findings confirm that the investment is profitable and worth pursuing. This study provides practical insights for investors and stakeholders in making data-driven decisions for infrastructure investments, particularly in the road construction sector. Furthermore, the findings are relevant for long-term AMP business development, considering the growing demand for HMA in Indonesia. The shift from penetration macadam to HMA underscores the importance of efficient asphalt production facilities to ensure consistent supply and support sustainable infrastructure development.
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.
Studi Literatur Karakteristik Fisik dan Mekanik Aspal Modifikasi Berdasarkan Hasil Uji Laboratorium (Periode 2020–2025) Wenny Herdianti; I Wayan Putra Jayantara Jayantara; Arrisha Anggarini; Ivana Christine Sembiring Brahmana; Melvi Maulita Napitupulu; A. Daniel Anderson Munthe
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/anqs5b48

Abstract

Conventional asphalt still has limitations in withstanding increasing traffic loads and environmental influences, which can lead to permanent deformation, cracking, and a reduction in pavement service life. Various studies have developed modified asphalt to improve pavement performance; however, the findings remain scattered and have not been comprehensively synthesized. This study aims to examine the physical and mechanical characteristics of modified asphalt based on laboratory testing results using the Systematic Literature Review (SLR) method. Data were collected from Google Scholar, ScienceDirect, SpringerLink, ResearchGate, and SINTA-indexed national journals published between 2020 and 2025. The initial search yielded 85 articles, and after applying the inclusion and exclusion criteria, 11 articles were selected for analysis. The reviewed data included binder physical characteristics, rheological properties, and the mechanical characteristics of asphalt mixtures. The results indicate that the use of modification materials such as polymers, rubber, nanomaterials, and plastic waste generally improves the softening point, Marshall stability, and resistance to permanent deformation. However, the increased stiffness observed in some modified asphalt types may reduce mixture flexibility and increase the risk of cracking at low temperatures. Therefore, modified asphalt has significant potential to enhance pavement performance, but the selection of modification materials and their dosage should be adjusted to technical requirements to achieve optimal performance.
Co-Authors A. Daniel Anderson Munthe Arrisha Anggarini Aula Sekar Arum Pertiwi Daniel Anderson Munthe Fikryah Atikah Pane Hia, Titonik I Gusti Raka Purbanto I Nyoman Arya Thanaya Ivana Christine Sembiring Ivana Christine Sembiring Brahmana Melvi Maulita Napitupulu Melvi Maulita Napitupulu Wenny Herdianti