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Michel Kasaf
Universitas Samudra
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Kajian Kinerja Simpang Tak Bersinyal di Kawasan Universitas Iskandar Muda Berdasarkan Karakteristik Arus Lalu Lintas Febrina Dian Kurniasari; Alfisyahrin Alfisyahrin; Marini Bravikawati; Tjut Rizqi Maysyarah Hadi; Michel Kasaf
INSOLOGI: Jurnal Sains dan Teknologi Vol. 5 No. 2 (2026): April 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v5i2.7998

Abstract

Unsignalized intersections often become critical points of traffic problems due to increasing traffic volume that is not balanced with intersection capacity, resulting in delays, queues, and potential conflicts, especially during peak hours. This condition also occurs at the Unida Intersection (Universitas Iskandarmuda) in Banda Aceh, which serves traffic movements from campus areas, residential zones, and surrounding commercial activities. This study aims to analyze traffic flow characteristics and intersection performance using the Indonesian Highway Capacity Guidelines (PKJI 2023). The data used include traffic volume and geometric conditions of the intersection, which are then analyzed based on parameters such as capacity, degree of saturation, delay, queue probability, and level of service. The results show that the highest traffic volume occurs during the afternoon peak hour, reaching 1,089 pcu/hour, with a degree of saturation of 0.65. The average intersection delay is 12.989 seconds per vehicle, with a queue probability ranging from 17.47% to 36.09%. The level of service is classified as C, indicating that traffic flow remains stable but begins to be affected by congestion. Overall, the intersection still operates adequately however, further evaluation is needed to anticipate future increases in traffic volume.
Pengaruh Pemadatan dan Substitusi Bubur Kertas terhadap Kuat Tekan Batako Ringan Struktural Dinding Muhammad Riswandy; Alfisyahrin Alfisyahrin; Mhd. Arief Diana; Michel Kasaf; Ari Juanda
INSOLOGI: Jurnal Sains dan Teknologi Vol. 5 No. 3 (2026): Juni 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v5i3.8564

Abstract

This study analyzes the impact of compaction levels and paper pulp ratios on the compressive strength of papercrete blocks. The objective is to develop a lightweight building material that meets structural strength standards based on SNI 03-0348-1989. The base formulation combines cement and sand in a 1:3 ratio, with the sand volume substituted by paper at variations of 80%, 90%, and 100%. Density engineering was conducted by compressing the initial mixture volumes of 120%, 130%, 140%, and 150% into a standard size of 5 cm x 10 cm x 20 cm. Mechanical performance testing involved single blocks, paired blocks bonded with a 1 cm mortar joint, and conventional red bricks as a control comparison. Experimental results demonstrate that most papercrete variants qualify as structural materials within classes II, III, and IV. Only the 120PB100 sample failed to meet the standard classification. Interestingly, the standard red brick did not qualify for any strength class under the SNI framework. The highest mechanical performance was achieved by the 140PB80 variant, yielding a single-block compressive strength of 70.139 kg/cm². However, when evaluated in a paired formation, the strength of this 140PB80 sample reduced by 29.87% to 49.190 kg/cm².
Co-Authors Alfisyahrin Alfisyahrin Ari Juanda Febrina Dian Kurniasari Marini Bravikawati Mhd. Arief Diana Muhammad Riswandy Tjut Rizqi Maysyarah Hadi