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All Journal INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Civil Engineering Journal Borneo Engineering: Jurnal Teknik Sipil Jurnal Borneo Saintek Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Rengganis Jurnal Pengabdian Masyarakat Prosiding Seminar Nasional Teknik Sipil UMS Civil Engineering Scientific Journal Journal of Educational Technology and Learning Creativity International Journal of Technology and Education Research
Zultan Mansur, Achmad
Civil Engineering Department, University Borneo Tarakan, Amal Lama, Tarakan 77123,
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Nursing Physics Social Sciences Transportation Other

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Beban Ultimit Balok Beton Bertulang Hasil Perbaikan dan Perkuatan Menggunakan FRP Mansur, Achmad Zultan; Djamaluddin, Rudy; Parung, Herman; Irmawaty, Rita
Prosiding Seminar Nasional Teknik Sipil UMS 2022: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (363.285 KB)

Abstract

Struktur beton bertulang memiliki potensi sebagai konstruksi yang tahan lama, elastis dan kuat terhadap berbagai beban dan mampu menahan berbagai kondisi lingkungan yang merugikan. Namun, kegagalan dalam struktur masih dominan terjadi akibat korosi pada tulangan sehingga masa layan konstruksi menjadi berkurang. Penelitian ini bertujuan mengetahui pengaruh penggunaan GFRP dan sika grout 215 bagi kondisi balok spalling. Metode yang dilakukan adalah metode eksperimental yang dilakukan di laboratorium dengan membuat 6 benda uji balok 3,3x0,15x0,2 m. Hasil penelitian menunjukkan bahwa balok dengan perkuatan GFRP mampu meningkatkan kapasitas beban maksimum terhadap balok kontrol yaitu sebesar 8.08%. Kondisi beton variasi yang tidak monolith serta kaku sangat mempengaruhi nilai kapasitas balok lentur. Mode kegagalan yang terjadi pada balok GFRP adalah kegagalan lekatan antara beton dan GFRP.
Integration of Deep Learning in the Independent Curriculum: Implementation Strategies and Their Impact R, Nurmala; Achmad Zultan Mansur; Jusmawati
International Journal of Technology and Education Research Vol. 3 No. 04 (2025): October - December, International Journal of Technology and Education Research
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v3i04.2557

Abstract

The global demand for 21st-century competencies necessitates a radical transformation in education. Indonesia responded with the Independent Curriculum, aiming to form the Pancasila Student Profile. However, there is a gap in implementation models and empirical data on the integration of Deep Learning within the Independent Curriculum context. This study uses a Systematic Literature Review (SLR) to analyze DL's implementation strategy and its impact on student competence. The findings confirm a strong synergy, showing Deep Learning is a holistic pedagogical strategy based on three pillars: Mindful, Meaningful, and Joyful. Deep Learning integration, facilitated by Project-Based Learning, significantly improves students' knowledge transfer capability and strengthens non-cognitive competencies like Critical Reasoning and Collaboration. The study concludes that Deep Learning is an essential and transformative strategy for Independent Curriculum, but requires systemic commitment to enhance teacher capacity and ensure policy coherence.
A Circular Economy Approach: Total Elimination of Extreme Swelling in Expansive Clay Using Pyrolytic Carbon Black and Fly Ash Hasrullah, Hasrullah; Mansur, Achmad Zultan
Journal of Educational Technology and Learning Creativity Vol. 3 No. 2 (2025): December
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/jetlc.v3i2.2342

Abstract

Purpose of the study: To rigorously investigate and quantify the effectiveness of a novel, synergistic stabilizer composed of Pyrolytic Carbon Black (PCB) and Fly Ash in totally eliminating extreme swelling potential in highly problematic expansive clay soil. Methodology: The comprehensive methodology included initial characterization, Modified Proctor compaction, One-Dimensional Swelling tests, Unconfined Compressive Strength (UCS) tests, and California Bearing Ratio (CBR) tests. Expansive clay was treated with a combined stabilizer dosage up to 25% (15% PCB and 10% Fly Ash) and cured for 28 days. Main Findings: The stabilizer significantly enhanced compaction characteristics, increasing the Maximum Dry Density (MDD) from 1.62 g/cm3 to 2.18 g/cm3. Crucially, the extreme Free Swell Index (FSI) of 120.23% was totally eliminated (swelling reduced to 0%). Mechanical strength improved dramatically: UCS increased from 0.12 kg/cm2 to 1.98 kg/cm2 , and unsoaked CBR enhanced from 2.48% to 10.18%. Novelty/Originality of this study: This research provides the first conclusive quantitative evidence of total swelling elimination in expansive clay using this specific PCB and Fly Ash sustainable blend. It advances knowledge by bridging geotechnical science, green engineering, and the circular economy, demonstrating a viable, cost-effective solution utilizing two major waste streams (tires and coal ash) for critical infrastructure subgrades.
Preliminary Study of In-Action Learning: An Analysis of Mathematical Connection Abilities of Junior High School Students R, Nurmala; Alfian Mucti; Achmad Zultan Mansur; Eka Widyawati; Jusmawati
International Journal of Technology and Education Research Vol. 4 No. 01 (2026): January- March, International Journal of Technology and Education Research (IJ
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v4i01.3040

Abstract

This article examines mathematical connection ability, an essential competency emphasized in the National Council of Teachers of Mathematics (NCTM) recommended mathematics learning objectives. Specifically, this research aims to describe students' mastery of mathematical connection ability in the topic of Quadrilaterals and Triangles. Employing a descriptive qualitative methodology, the research instrument consisted of three essay-type test questions on mathematical connection ability, which were implemented to collect data. Data analysis revealed that the average percentage of students' achievement in mathematical connection ability was 30%. These findings indicate that middle school students' mastery of the mathematical connection ability in the topics of quadrilaterals and triangles remains relatively low. The results of this study provide educators with a foundation for designing more effective learning experiences to enhance students' mathematical connection ability. The importance of developing this ability lies not only in fostering a deep conceptual understanding but also in applying mathematics in broader contexts, both within and outside the field of mathematics.
A Circular Economy Approach: Total Elimination of Extreme Swelling in Expansive Clay Using Pyrolytic Carbon Black and Fly Ash Hasrullah, Hasrullah; Mansur, Achmad Zultan
Journal of Educational Technology and Learning Creativity Vol. 3 No. 2 (2025): December
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/jetlc.v3i2.2342

Abstract

Purpose of the study: To rigorously investigate and quantify the effectiveness of a novel, synergistic stabilizer composed of Pyrolytic Carbon Black (PCB) and Fly Ash in totally eliminating extreme swelling potential in highly problematic expansive clay soil. Methodology: The comprehensive methodology included initial characterization, Modified Proctor compaction, One-Dimensional Swelling tests, Unconfined Compressive Strength (UCS) tests, and California Bearing Ratio (CBR) tests. Expansive clay was treated with a combined stabilizer dosage up to 25% (15% PCB and 10% Fly Ash) and cured for 28 days. Main Findings: The stabilizer significantly enhanced compaction characteristics, increasing the Maximum Dry Density (MDD) from 1.62 g/cm3 to 2.18 g/cm3. Crucially, the extreme Free Swell Index (FSI) of 120.23% was totally eliminated (swelling reduced to 0%). Mechanical strength improved dramatically: UCS increased from 0.12 kg/cm2 to 1.98 kg/cm2 , and unsoaked CBR enhanced from 2.48% to 10.18%. Novelty/Originality of this study: This research provides the first conclusive quantitative evidence of total swelling elimination in expansive clay using this specific PCB and Fly Ash sustainable blend. It advances knowledge by bridging geotechnical science, green engineering, and the circular economy, demonstrating a viable, cost-effective solution utilizing two major waste streams (tires and coal ash) for critical infrastructure subgrades.
Co-Authors Ariani Ariani Bagaskara, Johan Putra Budi Setiawan Djamaluddin, Rudy Eka Widyawati Hasrullah Hasrullah, Hasrullah Irmawaty, Rita Jusmawati Khayrunisyah Yahya Mucti, Alfian Nawir, Daud Parung, Herman R, Nurmala Taharuddin Taharuddin