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All Journal Jurnal Teknik Sipil Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil BANGUN REKAPRIMA Construction and Material Journal Jurnal Hilirisasi Technology kepada Masyarakat (SITECHMAS) Journal of Engineering and Technological Science
Leily Fatmawati, Leily
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Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Effect of AC-WC Asphalt Mixture Variations on Marshall Stability in Palangka Raya City Purnomo, Raja Raid Nabil Putra; Fatmawati, Leily; Thompson, Michael J.
Journal of Engineering and Technological Science Vol. 2 No. 1 (2026): Journal of Engineering and Technological Science, February 2026
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Kalibra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/jets.v2i1.222

Abstract

Asphalt Concrete–Wearing Course (AC-WC) is a critical pavement layer directly exposed to traffic loads and environmental conditions. In tropical cities such as Palangka Raya, variations in asphalt mixture composition significantly influence pavement durability, particularly Marshall stability. This study aims to comprehensively evaluate the effect of AC-WC asphalt mixture variations on Marshall stability in Palangka Raya City through a systematic synthesis of experimental studies published between 2012 and 2025. The research method employed a qualitative–quantitative comparative analysis of 30 peer-reviewed journal articles, theses, and dissertations focusing on AC-WC mixtures incorporating modifiers such as Asbuton, polymer additives, fillers, temperature variations, and immersion conditions. The results indicate that asphalt modifiers—especially polyethylene-based polymers, Asbuton granular asphalt, and alternative fillers—consistently enhance Marshall stability, with optimal stability generally achieved within 2–5% additive content. Environmental factors, including water immersion and temperature variations, were found to significantly reduce stability if not properly controlled. Overall, most AC-WC mixtures evaluated met the Indonesian Bina Marga 2018 specifications, demonstrating their suitability for heavy traffic conditions. This study contributes to pavement engineering by providing a consolidated technical reference for optimizing AC-WC mixture design in tropical urban environments.
ANALISIS HASIL PEMBUATAN PETA KONTUR DENGAN METODE POLIGON TERTUTUP MENGGUNAKAN PROGRAM SURFER 15 DI AREA GEDUNG DIREKTORAT POLITEKNIK NEGERI SEMARANG (AREA GEDUNG DIREKTORAT - PKM - GEDUNG SC - GEDUNG KERJA SAMA POLITEKNIK NEGERI SEMARANG): ANALISIS HASIL PEMBUATAN PETA KONTUR DENGAN METODE POLIGON TERTUTUP MENGGUNAKAN PROGRAM SURFER 15 DI AREA GEDUNG DIREKTORAT POLITEKNIK NEGERI SEMARANG (AREA GEDUNG DIREKTORAT - PKM - GEDUNG SC - GEDUNG KERJA SAMA POLITEKNIK NEGERI SEMARANG) Wiguna, Edo; Rahmawati, Roselina; Mukhlisin, Muhammad; Fatmawati, Leily; Wicaksono, Teguh Mulyo
Bangun Rekaprima Vol. 12 No. 1 (2026): April 2026
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v12i1.7508

Abstract

This study aims to analyze the results of contour map creation using the closed polygon method through the Surfer 15 program in the area of ​​the Semarang State Polytechnic Directorate Building, which includes the area of ​​the Directorate Building - PKM - SC Building - Cooperation Building. Contour map creation was carried out to determine the topographic conditions and characteristics of the land slope in the area, which affect the planning and development of campus infrastructure. The methods used in this study include collecting coordinate and elevation data in the field, data processing using the closed polygon method to obtain high accuracy in positioning, and land surface modeling with Surfer 15 software. The results of data processing are presented in the form of contour maps and cross-sections and longitudinal sections, which are then analyzed to determine the level of land slope in each measurement segment. From the analysis results, it was found that the topography in the section of the Directorate Building - PKM - SC Building - Cooperation Building showed significant variations in height. Based on the measurement results, the slope of the land in the cross section A–A (Directorate–PKM) is 5.12%, section B–B (Directorate–PKM) is 3.59%, section C–C (Directorate–SC Building) is 7.94%, and the longitudinal section of the Tennis Court–Workshop Building has a slope of 2.44%. These values ​​indicate that the research area has varying elevation differences, with a tendency of gentle to moderate slopes. Overall, the results of this study indicate that the closed polygon method and modeling with Surfer 15 are able to provide an accurate and detailed topographical picture of the land conditions in the Semarang State Polytechnic environment. This land slope information can be used to support spatial planning, drainage, and the development of more efficient and sustainable campus facilities.
Co-Authors Anastasya, Frida Anggraeni, Tetty Anung Suwarno, Anung Ariyanto, Arief Subakti Fajar Surya Herlambang Fitri, Duha Nur H, M. Luqmanul Hadi, Tjokro Harprastanti, Primasiwi Isnubroto, Danang Joko, Karnawan Julianto, Wijil Dwi Megantoro, Alam Muhammad Mukhlisin Mukhlisin, M Mukhlisin, M. Mulyono, Tedjo Pangesti, Rendy Dwi Parhadi Parhadi, Parhadi Priono, Timotius Argo Prasetya Puji Wahyumi, Puji Purnomo, Raja Raid Nabil Putra Roselina Rahmawati S, Sri Wahyuningsih Septrianto, Wijaya Setioko, Rafi Setyono, Karnawan Joko Stefanus Santosa SUDARMONO SUDARMONO Sukoyo Sukoyo Sulistiawati, Baiq Heny Suparman Suparman Supriyadi Supriyadi Supriyo Supriyo Thompson, Michael J. Triwardaya Triwardaya, Triwardaya Vemi Widoanindyawati W, Herry Ludiro Warsiti Warsiti Wasino Wasino Wicaksono, Teguh Mulyo Wiguna, Edo Wildana Latif Mahmudi, Wildana Latif Yustinus Eka Wiyana, Yustinus Eka Zakiya, Maharani Nur