The effects of porosity, asphalt content and fiberglass incorporation on the tensile strength and resilient modulus of asphalt concrete blends

Piuzzi, Guilherme Pepplow; Filho, Hugo Carlos Scheuermann; Carpio, Joe Arnaldo Villena Del; Consoli, Nilo César

doi:10.1016/j.geotexmem.2021.01.002

Cited by 23 publications

(2 citation statements)

References 32 publications

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“…In this case, the test object or solid asphalt concrete briquette is formed from the gradation of the mixed aggregate that has been obtained from the results of the gradation test, according to the specifications of the mixture. The Marshall test to obtain stability and flow followed [5].…”

Section: Materials Preparationsmentioning

confidence: 99%

The characteristics of stability test using Bantak as the main aggregate

Aqif

Haque

Ahmad³

2021

JEATech

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This study aims to determine the characteristics of the stability test using Bantak as the main material. Fundamental studies in terms of the characteristics of Stability values include Density (Density), Flow (melting), VIM (Void in Mix), VMA (Void in Mineral Aggregate), VFB (Void Filled Bitumen), and Marshall Quotient (MQ). This study uses an experimental test method consisting of different bitumen content variants, respectively, 5%, 5.5%, 6%, 6.5%, and 7%. Each variant consists of three samples of the test object. The research was carried out at the building materials laboratory, Faculty of Engineering, Universitas Negeri Yogyakarta. The implementation stages include inspection of AC 60/70, an inspection of aggregates (fine aggregate and coarse aggregate), an inspection of fillers, and manufacturing mixed specimens and stability tests with various characteristics. The results of the research showed that the average value of stability, density, flow, void in the mix, void mineral aggregate, void filled bitumen, and Marshall quotient was 1156.44 kg, 2.33 gr/cc, 3.07 mm, 5.20 %, 13.92% 60.10% and 377.28 kg/mm. Finally, Bantak aggregate can be used as an alternative in the manufacture of hot asphalt mixtures because the research performance data meet the requirements for accepting Indonesian national standards. Its abundant availability makes Bantak a solution in exploiting Merapi material, which is very influential on the environmental impact and improves residents' economy in the quarry area.

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Section: Materials Preparationsmentioning

confidence: 99%

The characteristics of stability test using Bantak as the main aggregate

Aqif

Haque

Ahmad³

2021

JEATech

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“…Asphalt cement (AC), although used in small quantities in the design of hot mix asphalt (HMA), it has a significant influence on the performance of flexible road pavement structures (Piuzzi et al 2021). The viscoelastic nature of AC makes it a suitable option for flexible pavement design as it possesses valuable engineering properties to resist dynamic vehicular loading and extreme climatic conditions, which the pavement roads encounter during the service life.…”

Section: Introductionmentioning

confidence: 99%

Characterisation of Acrylonitrile Styrene Acrylate Modified Asphalt Cement with Nano Iron Oxide and Nano Silica Particles

Korutürk¹,

Alas²

2023

jkukm

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The current study investigated the physical properties and rheological characteristics of asphalt cement (AC) modified by nano ironoxide (Fe3O4) and nano silica (SiO2) particles. Seven different blends including base AC, Acrylete-StyreneAcrylonitrile (ASA)/ Nanosilica (Si) and ASA/ Nanoironoxide (Fe) were the subject of experimental investigations. ASA was used at 5% for all modified blends while the nanomaterials were blended in 3, 5 and 7% concentrations by the weight of AC. Temperature susceptibility, rotational viscosity (RV) and storage stability for the base and polymer nanocomposite modified asphalt cement (PNCAC) were evaluated by the physical testing procedures while the frequency sweep test and the multiple stress creep recovery (MSCR) tests were conducted using a dynamic shear rheometer. The results showed that, the viscoelastic properties of the ASA/Si and ASA/Fe modified binders were improved when subjected to a range of temperatures and loading conditions. ASA/Fe composite modified AC demonstrated superior high temperature performance characteristics while ASA/Si composite modified AC although presented less significant improvement at the high temperature conditions, it was also able to improve the intermediate temperature fatigue resistance of asphalt more than the ASA/Fe composite modified AC. The optimum concentration of additives were found to be 3 and 5% for the ASA/Fe and ASA/Si modified AC respectively. Further addition of nanomaterials beyond the abovementioned concentrations resulted in degradation of the enhancement in physical and rheological properties of PNCAC, which was associated to the occurrence of agglomeration of nanoparticles and phase separation between the polymer-nanomaterial-asphalt matrix.

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