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All Journal Jurnal Teknik Sipil Terapan Journal of Social Research
Novriana Pangemanan
Politeknik Negeri Manado
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Social Sciences Transportation

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Pengaruh Nilai Sand Equivalent Dan Durasi Perendaman Terhadap Durabilitas Campuran Aspal Beton Bambang Widodo; Noldie Kondoj; Tampanatu Sompie; Novriana Pangemanan
Jurnal Teknik Sipil Terapan Vol 3 No 1 (2021): JTST, e-ISSN 2714-7843
Publisher : Jurusan Teknik Sipil Politeknik Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47600/jtst.v3i1.261

Abstract

Aspal Beton adalah jenis perkerasan jalan dari campuran agregat, dengan bahan pengikat aspal. Sumber agregat tidak pernah luput dari bahan yang merugikan, seperti butiran lunak atau lempung. Curah hujan yang tinggi dan sistem drainase yang tidak baik, berkontribusi positif pada kerusakan lapis perkerasan aspal beton. Salah satu karakteristik aspal beton adalah Durabilitas yaitu; keawetan campuran aspal terhadap perubahan cuaca, kadar air, suhu, maupun keausan akibat gerusan roda kendaraan. Sejalan dengan uraian tersebut, maka tujuan penelitian ini adalah untuk mengetahui bagaimana pengaruh Nilai Sand Equivalent dan waktu perendaman terhadap durabilitas campuran aspal beton. Dengan metode eksperimen di Laboratorium terhadap beberapa bahan baku aspal, agregat dan sampel campuran aspal – agregat dengan memperlakukan beberapa variasi campuran Nilai Sand Equivalent (50, 60, 70, 80 dan 90 %) dan waktu perendaman (24 dan 48 jam) terhadap kadar aspal optimum diperoleh Durabilitas campuran Aspal Beton pada perendaman 24 dan 48 jam berturut-turut pada batas kadar SE 83,43 % dan 85,67 % masih durable.
Analysis of the Effect of Load Position Variation on the Mechanical Response of Beams Using Web-Based Computational Modeling Novriana Pangemanan; Stayman Hombokau; Tjerie Pangemanan
Journal of Social Research Vol. 5 No. 11 (2026): Journal of Social Research
Publisher : International Journal Labs (AHU-0028405-AH.01.14 Tahun 2022)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v5i11.3494

Abstract

This study investigates the influence of variations in load position on the mechanical response of simply supported beams using a web-based computational modeling approach. As structural analysis increasingly shifts toward accessible, browser-based simulation platforms, understanding how such tools represent classical beam behavior is essential for both educational applications and preliminary engineering design. A prismatic beam with a uniform cross-section was modeled and subjected to a concentrated point load applied at several positions along its span, namely 0.25L, 0.50L, and 0.75L, where L denotes the total span length. Web-based finite element analysis was used to compute the deflection, bending moment, and shear force distributions for each loading scenario, and the results were verified against analytical solutions derived from classical beam theory. The findings indicate that load position significantly affects the magnitude and distribution of internal forces and deflection. The maximum deflection and bending moment occur when the load is applied at midspan, whereas eccentric load positions produce asymmetric bending moment and shear force diagrams, with lower peak deflections and shifts in the locations of the maximum responses. The web-based model showed close agreement with the analytical results, with deviations of less than 5% across all tested configurations, confirming that browser-based computational tools can provide reliable and rapid insights into beam behavior without requiring specialized desktop software. These findings support the use of web-based computational modeling as a practical and accessible tool for structural analysis education and preliminary design evaluation.
Co-Authors Bambang Widodo Kondoj, Noldie E. Stayman Hombokau Tampanatu Sompie Tjerie Pangemanan