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All Journal International Journal of Educational Research Excellence (IJERE) International Journal of Community Service (IJCS) AMPLITUDO: Journal of Science & Technology Innovation
Bincar Nasution
Universitas Graha Nusantara
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Optimization of Polypropylene-Modified Asphalt Mixtures for Enhanced Road Durability in Tropical Regions: Advancing Sustainable Infrastructure Development Aligned with SDG 9 and SDG 12 Ahmad Rafii; Sani Isah; Adam Balcerzak; Rashidah Mohammad Ibrahim; Bincar Nasution
AMPLITUDO : Journal of Science and Technology Innovation Vol. 5 No. 1 (2026): February
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/amplitudo.v5i1.533

Abstract

Road pavements in tropical regions experience accelerated deterioration due to high temperatures; intense rainfall; and high humidity; necessitating innovative solutions that address both infrastructure durability and environmental sustainability. This experimental study evaluates asphalt mixtures modified with polypropylene (PP) plastic waste to enhance performance under tropical climate conditions. Laboratory samples containing 0% (control); 4%; 6%; and 8% PP by binder weight were subjected to Marshall stability; penetration; accelerated aging (Rolling Thin Film Oven Test and ultraviolet radiation); and moisture susceptibility testing. Results demonstrate that 6% PP incorporation yielded optimal performance; with Marshall stability increasing to 14.5 kN (22% improvement over control); penetration decreasing to 58 dmm (18% reduction); and post-aging stability retention of 85%. Moisture conditioning tests revealed reduced stability loss at 13.8% compared to 24.4% for control mixtures; indicating enhanced moisture resistance. Economic analysis confirms cost savings of approximately 30% when substituting recycled PP waste for conventional polymer modifiers such as SBS. These findings identify 6% PP as the optimal dosage for tropical asphalt applications; demonstrating the technical and economic feasibility of circular material approaches in infrastructure engineering.
Fintech Optimization and Digital Financial Literacy in UMKM Empowerment: A Community Service Study for Financial Inclusion in the Society 5.0 Era. Hikmah Sekarningtyas; Suryati Eko Putro; Bincar Nasution; Rahmah Juliani Siregar; Lukmanul Hakim Aziz
International Journal of Community Service (IJCS) Vol. 5 No. 1 (2026): January-June
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijcs.v5i1.1884

Abstract

Micro, Small, and Medium Enterprises (UMKM) play a crucial role in Indonesia’s economy, contributing 61.9% to GDP and 97% to national employment. However, their digital transformation is hindered by low fintech adoption and limited digital financial literacy. This study evaluates a community service program aimed at enhancing fintech utilization and digital financial literacy among UMKM in five regencies of East Java. Using a quasi-experimental pretest-posttest control group design, 240 participants were randomly assigned to intervention and control groups. Data were collected through validated questionnaires measuring fintech adoption index (FAI), digital financial literacy index (DFLI), and business performance. The results show significant improvements in fintech adoption (21.4%, p < 0.001), digital financial literacy (18.7%, p < 0.001), and monthly revenue (17.3%, p < 0.01). These findings indicate that structured training integrating fintech and digital literacy effectively supports UMKM digital transformation and advances financial inclusion in the Society 5.0 era.
Marsialapari As A Tradition of Mutual Cooperation in Relationship with National Characters for The Anglola Mandailing Community Ahmad Laut Hasibuan; Nurhayati Harahap; Amrin Saragih; Asnawi Asnawi; Bincar Nasution
International Journal of Educational Research Excellence (IJERE) Vol. 3 No. 2 (2024): July-December
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijere.v3i2.1207

Abstract

ABSTRACTThe local wisdom of marsialapari, a mutual assistance activity in the Angkola Mandailing community, represents a form of local wisdom that remains prevalent today. This study aims to examine the values embedded in the local wisdom of marsialapari and its relevance to character education for the Angkola Mandailing community. The research employs a research and development method. The findings reveal that marsialapari as local wisdom is a mutual assistance activity that characterizes the Angkola Mandailing community as an expression of the philosophy of holong (compassion) and domu (togetherness) within the framework of local wisdom encapsulated in dalihan na tolu. The tradition of marsialapari in the Angkola Mandailing community is closely linked to the development of national character in Indonesia, which is founded on noble principles such as solidarity, the spirit of mutual cooperation, ethics, religiosity, and respect for diversity. These principles have the potential to create a generation that is moral, high-integrity, and of high quality, a tradition that remains well-maintained and practiced to this day. Keywords: Marsiadapari, Mutual Cooperation, Angkola Mandailing, Local wisdom, National character,
Co-Authors Adam Balcerzak Ahmad Laut Hasibuan Ahmad Rafii Amrin Saragih Asnawi Asnawi Hikmah Sekarningtyas Lukmanul Hakim Aziz Nurhayati Harahap Rahmah Juliani Siregar Rashidah Mohammad Ibrahim Sani Isah