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Bozdemir, Merve Gülfer

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Profile URL
https://hdl.handle.net/20.500.14901/1523
Name Variants
Bozdemir, MG
Bozdemir Merve Gülfer
Bozdemir, Merve Gulfer
Job Title
Dr. Öğr. Üyesi
Email Address
merve.ozcan@erzurum.edu.tr
Main Affiliation
4.2. İnşaat Mühendisliği Bölümü
Status
Website
https://erzurum.edu.tr/personel/556/merve-gulfer-bozdemir/#gsc.tab=0
ORCID ID
0000-0001-5868-6613
Scopus Author ID
57828915200
Turkish CoHE Profile ID
228368
Google Scholar ID
NHQ5_NIAAAAJ
WoS Researcher ID
NAF-9608-2025

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Now showing 1 - 2 of 2
  • Thumbnail Image
    Article
    Physical and Microstructural Properties of New Boron Resin Compound Synthesized Asphalt
    (ASCE-Amer Soc Civil Engineers, 2023) Bozdemir, Merve Gulfer; Oruc, Seref; Yesilcicek, Hacer
    Over the last 20 years, many polymer-based additives have been used in asphalt modification. The extensive utilization of these additives and their inability to biodegrade create environmental concern for humans. Therefore, discovering affordable and naturally occurring asphalt polymers has become prominent. In this study, a new asphalt modifier was produced under laboratory conditions by synthesizing boron oxide with rosin (colophony resin), which is naturally produced from pine trees. Scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC)/thermogravimetric (TG), and X-ray powder diffraction (XRD) analyses were used to determine the microstructural characteristics of the produced modifier. The SEM analysis showed that the new modifier was distributed homogeneously the asphalt matrix, the FTIR and XRD analyses showed that a chemical synthesis had taken place, while the DSC and TG analyses determined the thermal structure characterization and temperature range of the modifier. The rheological properties of the modified asphalts were investigated by conducting penetration, softening point, ductility, flash point test, rotational viscosity (RV), and dynamic shear rheometer (DSR) tests. The results showed that the new modifier could be produced in a laboratory environment, the temperature sensitivity of the original asphalt was reduced by 48% with a 3% additive rate, and the modified asphalt provides a wide range of usage in hot climates. Conclusively, the boron-added resin compound (BARC) additive did not adversely affect the workability and pumpability properties and the BARC-modified asphalt binders significantly increased the rutting resistance.
  • Thumbnail Image
    Article
    Rheological Properties of Synthesised Additives in Hot Mix Asphalt
    (Croatian Association of Civil Engineers, 2023) Yeşilçiçek, H.; Bozdemir, M.G.; Oruc, S.
    In civil engineering, pavement, which is a mixture of aggregate and bitumen, is the layer most affected by traffic loads. Thus, problems, such as cracking, rutting, fatigue, aging, and moisture damage occur in the asphalt pavement layer throughout its service life. Such problems are generally caused by the increase in the number of heavily loaded vehicles, design and construction errors, and climate and environmental conditions. Scientists and engineers are continuously working on improving the performance of asphalt pavements. Particularly, recent studies have focused on improving multiple properties of asphalt simultaneously by chemically synthesising a novel material in the laboratory. This study aims to present a review of the effects of chemically synthesised additives on the performance of asphalt binders and mixtures. The findings of this study show that these new additives had a significant effect on the rheological properties of asphalt, such as rutting, elasticity, and fatigue life, when used in appropriate proportions. This study is expected to serve as a reference and guide for future studies on the production of new synthesised additives as asphalt modifiers. © 2023, Croatian Association of Civil Engineers. All rights reserved.