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All Journal Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Delima Amanda Putri, RAS
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Civil Engineering, Building, Construction & Architecture Engineering Transportation

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ANALISA KINERJA LALU LINTAS JALAN JENDERAL AHMAD YANI KOTA PALEMBANG Agustini, Marice; Septriansyah, Verinazul; Sutama, Adji; Fitriana Umari, Zuul; Delima Amanda Putri, RAS
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 9, No 1 (2024): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.v9i1.8341

Abstract

Traffic performance refers to the evaluation of the service quality of a road segment relative to the traffic flow through it. Road traffic performance assessment is measured by the degree of saturation and travel speed. Road capacity (C) is the ability of a road section to accommodate traffic flow in a certain time unit. Road capacity is influenced by the type of side obstacles and the frequency of occurrence. This research was conducted on Jalan Jenderal Ahmad Yani Campus A, Muhammadiyah University of Palembang to calculate road capacity (C) and traffic performance on Jalan Jenderal Ahmad Yani.  Data analysis was carried out using the 2023 Indonesian Road Capacity Guide where road capacity and degree of saturation are road traffic performance parameters so that the value of the level of service is known. Based on the results of research and analysis that has been carried out located on Jalan Jenderal Ahmad Yani, Palembang, the road capacity (C) is 2,924 PCU/hour and the free flow speed (VB) value is 49.59 Km/hour, while the road traffic performance and level of service on the Jalan Simpang 4 Jakabaring-Jalan Jenderal Ahmad Yani section is 0.81 and is classified as category D (Flow is close to stable, speed can still be controlled, traffic volume is approaching capacity), while from the direction of Jalan Jenderal Ahmad Yani -Intersection 4 Jakabaring obtained a service level of 0.94 and was classified as category E (Unstable flow and sometimes stopping, traffic volume approaching capacity, low speed and changing).
Studi Eksperimental Mortar Polimer Berbasis Epoxy dengan Penambahan Nanosilika Septriansyah, Verinazul; Sutama, Adji; Amanda, R.A. Siti Delima; Umari, Zuul Fitriana
Bearing : Jurnal Penelitian dan Kajian Teknik Sipil Vol 10, No 1 (2025): Bearing : Jurnal Penelitian dan Kajian Teknik Sipil
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jbearing.v10i1.9783

Abstract

This research focuses on the development of polymer mortar using epoxy as a binder, fly ash as an additive, and nanosilica as nano-filler. The study investigates the effect of nanosilica variations on the mechanical properties of polymer mortar, specifically density and compressive strength. The research used nanosilica content variations of 0%, 1%, 2%, 3%, 4%, and 5% of the mold volume. Material composition consists of 45% sand, 17.5% epoxy, 17.5% hardener, 20% fly ash, and varying nanosilica percentages. Test results show that increasing nanosilica content decreases the density of polymer mortar from approximately 1880 kg/m³ (0% nanosilica) to 1730 kg/m³ (5% nanosilica). Meanwhile, compressive strength increases up to 2% nanosilica content with an optimum value of 60.31 MPa (an 87.3% increase compared to mortar without nanosilica), then decreases with further addition of nanosilica. The findings suggest that 2% nanosilica represents the optimum content for enhancing the mechanical performance of epoxy-based polymer mortar.
Co-Authors Adji Sutama Fitriana Umari, Zuul Marice Agustini Umari, Zuul Fitriana Verinazul Septriansyah