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All Journal Media Komunikasi Dunia Ilmu Sipil (MoDuluS) International Journal of Mechanical, Industrial and Control Systems Engineering
Muhammad Gunawan Perdana
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Transportation

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Study Of Asphalt Characteristics Using Fly Ash as a Substitute For Sand In Concrete Asphalt (AC – WC) Using The Marshall Test (RSNI M-01-2003) and Test Standards Specifications For Bina Marga Specifications 2018 Revision 2 Muhammad Gunawan Perdana
International Journal of Mechanical, Industrial and Control Systems Engineering Vol. 1 No. 2 (2024): June: IJMICSE: International Journal of Mechanical, Industrial and Control Syst
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijmicse.v1i2.22

Abstract

Utilization of fly ash which is part of the residue from burning coal for power plants (PLTU), where the combustion products have the same size as sand. Asphalt concrete is a type of construction pavement consisting of a mixture of asphalt and aggregate, either with or without added materials. This research aims to determine the characteristic values ​​of asphalt using fly ash as a substitute for sand in AC – WC asphalt concrete with mixed variations of 25%, 50% and 75%. From the research results, the AC-WC mixture used according to the standard, namely the condition of 5.5% asphalt content, obtained a stability value of 1580kg, a VFB value of 79.00%, a VMA value of 15.50%, a VIM value of 3.40%, a MQ value of 550kg/mm ​​, flow value 2.90mm and density value 2.35. Tests with mixture variations of 25%, 50% and 75% obtained a maximum stability value of 1706.5kg at a variation of 25%, a maximum flow value of 3.54mm at a variation of 75%, a maximum VIM value of 6.90% at a variation of 75%, a maximum VMA value 17.68% at 75% variation, maximum VFB value 84.89% at 25% variation, maximum density value 2.38 at 25% variation and MQ value 605.33kg/mm ​​at 25% variation. From the results of a study of the characteristics of asphalt using fly ash as a substitute for sand in AC-WC concrete asphalt with a variation of 50% which meets the requirements of the 2018 General Specifications Revision 2.
Penggunaan Nanosilika Pada Campuran Aspal Berpori Dalam Meningkatkan Kinerja Campuran Muhammad Gunawan Perdana; Pratikso; Mudiyono, Rachmat
Media Komunikasi Dunia Ilmu Sipil (MoDuluS) Vol 7 No 1 (2025): Juni 2025
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/modulus.v7i1.6307

Abstract

The use of nanosilica in porous asphalt mixtures has become a major concern in research to improve the performance of asphalt mixtures. Nanosilica has the potential to improve the mechanical and rheological properties of mixtures, increase resistance to permanent death, and improve permeability and structural stability. This study was carried out using a literature reflection method (literature review) of relevant previous research to understand the impact of nanosilica on porous asphalt mixtures. This research aims to determine the effectiveness of nanosilica in increasing mechanical resistance, damage, and resistance to extreme environmental conditions. The results of the literature review show that the addition of nanosilica at levels of 2% to 6% can increase resistance to decay and permanent freezing. In addition, nanosilica also contributes to increasing the complex shear modulus, reducing Cantabro loss, and improving the connectivity of air voids in porous asphalt mixtures. Thus, nanosilica can be a promising additive in porous asphalt mixtures to improve structural durability and long-term performance. Further studies are needed to determine the optimal formulation to achieve a balance between stability, interference, and permeability. Keywords: nanosilica, porous asphalt, mixture performance, mechanical resistance, permeability.
Co-Authors Pratikso Rachmat Mudiyono, Rachmat