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Journal articles on the topic 'Modified bitumen'

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1

Zeng, Guodong, Jianjing Zhang, Hongming Huang, Xin Xiao, and Chuanqi Yan. "A Comparative Study for Creep and Recovery Behavior Characterization of Modified Bitumens Using the MSCR Test." Coatings 13, no. 8 (2023): 1445. http://dx.doi.org/10.3390/coatings13081445.

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In recent decades, the application of modified bitumens has experienced tremendous growth. However, due to the varying modification mechanism of different modifiers, the creep and recovery properties of modified bitumen have not been comprehensively understood. This study aims to evaluate the creep and recovery properties of several representative modified bitumens using the multi-stress creep recovery (MSCR) test. The MSCR test can highlight the unique delayed elasticity of modified bitumen and it uses a high stress level, which is more comparable to the field. In particular, this test also a
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2

Kenzhegaliyeva, Aliya, Yerdos Ongarbayev, Guliya Sdikova, et al. "Modification of bitumen with char from pyrolysis of lemon peel waste." Journal of Physics: Conference Series 2978, no. 1 (2025): 012002. https://doi.org/10.1088/1742-6596/2978/1/012002.

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Abstract Various methods for improving the quality of asphalt involve adding certain materials to the bitumen play a key role to increase road pavement durability reducing maintenance costs and environmental issues. In this study antiaging effect of bitumen, which modified with chars obtained by pyrolysis of lemon peel (LEMO) and carbonized rice husk (CRH) were investigated. LEMO char-modified bitumen’s temperature after aging shifted towards neat bitumen by 4⍰ as found by rheometry, which also confirmed by DSC and IR analysis. Artificial aging of these char-modified bitumens unveiled that the
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3

Demchuk, Yuriy, Myroslava Donchenko, Olena Astakhova, et al. "Effect of Bisphenol-Formaldehyde Resin on Physico-Mechanical Properties of Road Bitumen." Chemistry & Chemical Technology 18, no. 1 (2024): 23–29. http://dx.doi.org/10.23939/chcht18.01.023.

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A bisphenol-formaldehyde resin was synthesized using the polycondensation method of bisphenol A with formaldehyde. Road bitumen has been modified with this resin. The possibility of its use as a road petroleum bitumen modifier has been established for different contents of the synthesized resin. It has been established that the introduction of synthesized bisphenol-formaldehyde resin into the composition of bitumen significantly increases its heat resistance. The synthesized resin and modified bitumens were characterized using IR spectroscopy. The change in the composition and properties of th
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4

Wesołowska, Magdalena, and Dawid Ryś. "Analysis of the fatigue life of neat and modified bitumens using linear amplitude sweep test." Roads and Bridges - Drogi i Mosty 17, no. 4 (2018): 317–36. http://dx.doi.org/10.7409/rabdim.018.020.

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The paper presents an evaluation of the fatigue resistance of selected Polish bituminous binders: neat bitumen 50/70, polymer modified bitumen PMB 45/80-55 and polymer highly modified bitumen PMB 45/80-80. The linear amplitude sweep (LAS) test, which is a new bitumen performance grading test developed in the USA, and was used to assess the fatigue life of the bitumens. Highly modified bitumen 45/80-80 showed 10-20 times higher fatigue durability than neat bitumen 50/70 and modified bitumen PMB 45/80-55. The differences in fatigue durability between neat bitumen 50/70 and modified bitumen PMB 4
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5

Changra, Arundhika, and Er Gagandeep Singh. "Comparison of Marshall Stability values of the different bitumen mixes with crumb rubber." IOP Conference Series: Earth and Environmental Science 1110, no. 1 (2023): 012034. http://dx.doi.org/10.1088/1755-1315/1110/1/012034.

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Abstract Modified bitumen with crumb rubber can enhance the bitumen’s physical properties and the mixes’ Marshall Stability values. Aside from the fact that it reduces the amount of tyre waste, the use of crumb rubber can also improve the properties of bitumen, which can help to extend the life of flexible pavements. When VG 30 bitumen is combined with crumb rubber, penetration values drop significantly. As the modifier concentration is increased, the penetration value decreases. When modified with 5CR, 10CR, and 15CR, neat bitumen’s penetration value drops to 61, 58, and 49 respectively. Mars
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6

Zheng, Chuanfeng, Genze Li, Yazhi Xu, Danni Wang, and Dan Lv. "Analysis of the Effects of Ageing on the Cohesive Strength of Polymer-Modified Bitumen at Low Temperatures." Baltic Journal of Road and Bridge Engineering 13, no. 2 (2018): 156–64. http://dx.doi.org/10.7250/bjrbe.2018-13.410.

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The decay law on the ageing process of the cohesive strength of styrene-butadiene-styrene(SBS)- and polyethylene(PE)-modified bitumens at low temperatures was investigated. The rotated-thin-film oven test was used to age the two types of polymer-modified bitumens. The cohesive strengths at different low-temperature conditions were tested quantitatively according to technology for testing the low-temperature cohesive strength of bitumen. The decay curve of bitumen low-temperature cohesive strengths was drawn, and the embrittlement time of bitumen at different ageing states was obtained accordin
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7

Fadzil, Auni Diyana, Nur Izzi Md Yusoff, Shuhaida Harun, et al. "Physical, Thermal, and Morphology Characteristics of Waste Latex Rubber Glove-Modified Bitumen." Advances in Civil Engineering 2023 (October 16, 2023): 1–12. http://dx.doi.org/10.1155/2023/5670201.

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Researchers across the globe have explored several alternatives to recycling natural rubber and have identified several challenges. Therefore, this study evaluates the feasibility of recycling waste latex rubber gloves (WLRG) as a bitumen modifier to enhance the bitumen’s physical, thermal, and morphological characteristics. The study adds varying percentages of WLRG (3%, 5%, 7%, and 9%) to the 60/70 bitumen and analyzes them to determine the optimum WLRG percentage. The penetration, softening point, ductility, and viscosity tests of the modified binders show a consistent pattern. All WLRG-mod
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8

Keyf, Seyfullah. "The modification of bitumen with styrene–butadiene–styrene, ethylene vinyl acetate and varying the amount of reactive ethylene terpolymer." Journal of Elastomers & Plastics 50, no. 3 (2017): 241–55. http://dx.doi.org/10.1177/0095244317708590.

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In this article, 50/70 penetration grade TUPRAS bitumen was modified. Reactive elastomeric terpolymer (Elvaloy RET; DuPont Company), ethylene vinyl acetate (EVA) and styrene–butadiene–styrene (SBS) polymers were used in bitumen modification. Set hours of the tests were applied to samples taken from the obtained modified bitumen mixture. Varying amount of reactive ethylene terpolymer with weight ratios of 0.5%, 1.0%, 1.5%, 2.0% and 2.5% were introduced to the mixture of raw bitumen with 1.0% SBS and 1.0% EVA. Penetration, penetration index, softening point, ductility and elastic recovery tests
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9

Geçkil, Tacettin. "Physical, Chemical, Microstructural and Rheological Properties of Reactive Terpolymer-Modified Bitumen." Materials 12, no. 6 (2019): 921. http://dx.doi.org/10.3390/ma12060921.

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In this study, the change in the physical, chemical, microstructural, and rheological properties of a road bitumen modified with reactive terpolymer (Elvaloy®RET) was investigated. For this purpose, four different Elvaloy®RET percentages (0%, 0.4%, 0.8%, and 1.2% by wt.) were mixed with B 160/220 bitumen. Firstly, the obtained samples were subjected to a short and long-term aging process using a rotating thin-film oven test and pressurized aging vessel, respectively. Then, the engineering characteristics of the samples were investigated using X-ray diffraction, scanning electron microscopy, an
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10

Słowik, Mieczysław, and Marta Andrzejczak. "Study of the zero shear viscosity of SBS copolymer modified bitumens." Budownictwo i Architektura 13, no. 4 (2014): 251–58. http://dx.doi.org/10.35784/bud-arch.1854.

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The paper presents the results of the zero shear viscosity (ZSV) determined by using a dynamic shear rheometer (DSR). The tests were conducted with the use of 50/70 penetration grade bitumen produced from Venezuelan and Russian crude oils (named V50/70 and R50/70, respectively). Specimens of the tested polymer modified bitumens were combined with modified bitumen concentrate (containing 9% of SBS copolymer) by mixing them together. The objects of the tests were modified bitumens containing 1.5%; 3.0%; 4.5%; 6.0% and 9.0% of SBS copolymer. Zero shear viscosity (ZSV) was determined with the use
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11

Ainabekov, N. B., N. M. Daurenbek, and G. F. Sagitova. "Use of carbon black as a modifier for petroleum bitumen." Neft i Gaz, no. 4 (August 30, 2024): 163–74. http://dx.doi.org/10.37878/2708-0080/2024-4.13.

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The problem of recycling worn-out tires and recycling of solid carbon-containing residue from the pyrolysis of tires is considered. The possibility of processing carbon black from the pyrolysis of tires into a high-quality concentrate, which can serve as a raw material for modifying petroleum bitumen, has been shown. The nature of the interactions occurring between the components of carbon black and the matrix of petroleum road bitumens has been studied. The chemical interaction of carbon black with the bitumen matrix through unsaturated C=C bonds has been proven. The introduction of carbon bl
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12

Xu, Song, Wei Dan, Wen Zu Li, and Jian Ying Yu. "Performance Evaluation of SBS Modified Bituminous Roofing Membrane Containing Layered Double Hydroxides." Key Engineering Materials 599 (February 2014): 203–7. http://dx.doi.org/10.4028/www.scientific.net/kem.599.203.

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Layered double hydroxides (LDHs)/SBS modified bitumens used for waterproofing membrane were prepared by melt blending using various contents of SBS and LDHs. Effects of the LDHs on physical properties and thermal oxidative aging performance of modified bitumen were investigated. The results show that softening point and low temperature flexibility of LDHs/SBS modified bitumen are increased simultaneously with the rise of SBS content, while they are little affected by the change of LDHs content. The thermal oxidative aging resistance of SBS modified bitumen is gradually improved with increasing
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13

Rezazad Gohari, Ali, Sébastien Lamothe, Jean-Pascal Bilodeau, Ahmad Mansourian, and Alan Carter. "Laboratory Study on Influence of Blending Conditions on Chemo-Thermal Characteristics of Lignin-Modified Bitumen." Applied Sciences 13, no. 13 (2023): 7766. http://dx.doi.org/10.3390/app13137766.

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Environmental approaches in the asphalt industry have focused on utilizing waste materials as modifiers. Lignin is a high-potential bitumen modifier due to its characteristics; however, the blending process with bitumen is critical. This study investigates the chemo-thermal characteristics of lignin-modified bitumen under two different blending protocols, including a mechanical and high-shear mixer to evaluate its performance as a modifier. According to the protocols, 5, 10, and 20% of Kraft lignin was added to a PG 58S−28 bitumen. The samples were subjected to analysis using Brookfield Rotati
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14

Xing, Chengwei, Mingchen Li, Lingxiao Liu, and Ruikang Yang. "Long-Term Aging Behavior of Plastic/Styrene Butadiene Rubber (SBR) Composite Modified Bitumen." Materials 16, no. 13 (2023): 4567. http://dx.doi.org/10.3390/ma16134567.

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The reuse of recycled waste plastics has long been attempted in pavement engineering as bitumen modifier. It was revealed that waste plastics can significantly enhance the high-temperature performance of bitumen and bitumen mixtures. Even so, the application of waste plastics as a bitumen modifier is still not widespread. This is attributable to the generally poor low-temperature performance of plastic-modified bitumen, which often fails to meet specification requirements. For this purpose, styrene butadiene rubber (SBR) was selected to improve the low-temperature performance of plastic-modifi
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15

Gunay, Taylan. "Investigation of physical properties of base and SBS modified bitumens by rheological test methods." Revista de la construcción 21, no. 2 (2022): 281–94. http://dx.doi.org/10.7764/rdlc.21.2.281.

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Bitumen is modified with various modifiers to diminish the deformation occurred in flexible pavements due to traffic loads and the effects of climate. Polymer modification and more specifically Styrene-Butadiene-Styrene (SBS) copolymer modification is one of the most common methods to enhance the physical properties of bitumen. However, the polymer modified bitumens could exhibit different rheological properties compared to original bitumen. In this work, it is aimed to investigate the effects of SBS copolymer on thermorheological properties of bitumen by means of state of art test methods. To
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16

Miljkovic, Miomir. "Review of the potentials for quantitative microstructural analysis of polymer-modified bitumen." Facta universitatis - series: Architecture and Civil Engineering, no. 00 (2025): 2. https://doi.org/10.2298/fuace250331002m.

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The objective of this article is to provide a critical synthesis and review of the potentials of the most relevant techniques and analysis procedures for styrene-butadiene-styrene (SBS)- and epoxy-modified bitumen based on fluorescence microscopy. This analysis considers SBS-modified bitumens with the mass fractions of SBS from 1.5 to 6 % and epoxy-modified bitumens with 10 to 90 % of epoxy. The content of polymeric phases plays a main role in the morphological characteristics and the percolation of microstructure. The SBS-modified bitumen shows a tendency towards distortion of droplet shapes
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17

Šrámek, Juraj, Matúš Kozel, Luboš Remek, and Ján Mikolaj. "Evaluation of Bitumen Modification Using a Fast-Reacting SBS Polymer at a Low Modifier Percentage." Materials 16, no. 8 (2023): 2942. http://dx.doi.org/10.3390/ma16082942.

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The study presented in this paper investigates the application of asphalt bitumen modification using a fast-reacting SBS polymer at a low modifier percentage. The hypothesis is that a fast-reacting styrene–butadiene–styrene (SBS) polymer that composes only 2% to 3% of the weight of the bitumen modification could extend the life of the pavement surfacing and pavement performance at relatively low input costs, increasing the net present value produced by the pavement during its life cycle. To confirm or refute this hypothesis, two types of road bitumens CA 35/50 and 50/70 were modified with low
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18

Sagitova, Guzaliya Faritovna, Nurzhan Bauyrzhanovich Ainabekov, Nazarbek Mukhaddasuly Daurenbek, et al. "Modified Bitumen Materials from Kazakhstani Oilfield." Advances in Polymer Technology 2024 (May 20, 2024): 1–10. http://dx.doi.org/10.1155/2024/8078021.

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The oil bitumen BND 90/130, produced at the “LLP SP Caspi Bitum” with the modifier, which consists of copolymer of ethylene with butyl acrylate and glycidyl methacrylate taken in an amount of 0.5–1.6 wt%, and the tire reclaim (4–20 wt%), which is the destructate of mesh elastomers of different chemical nature, was modified; possibility of using the developed bitumen-elastomer binders in road asphalt concrete was justified. Modification of bitumen with a copolymer of ethylene with butyl acrylate and glycidyl methacrylate leads to an improvement in the properties of road bitumen: the softening p
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19

Öz Kıcı, Gülşah, and Mehmet Saltan. "INVESTIGATION OF PHYSICAL AND CHEMICAL PROPERTIES OF BITUMEN MODIFIED WITH WASTE ENGINE AND INDUSTRIAL OILS." Uluslararası Sürdürülebilir Mühendislik ve Teknoloji Dergisi 9, no. 1 (2025): 1–13. https://doi.org/10.62301/usmtd.1704012.

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The modification of bitumen with waste oils encourages the transition5 to sustainable production and consumption strategies by increasing resource efficiency and reducing environmental impacts. In this study, bitumen was modified with waste engine oil (WEO) and waste industrial oil (WIO) at the rate of 2%, 2.5%, 3%, 3.5%, and 4% by weight to increase resource efficiency and contribute to sustainable transportation. Physical tests (penetration, softening point, penetration index, rotational viscometer) were applied to the oil modified bitumens, and the chemical composition of the bitumen as a r
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20

Mieczkowski, Paweł, Bartosz Budziński, Mieczysław Słowik, Jan Kempa, and Wojciech Sorociak. "Experimental Study of Tensile Properties of Styrene–Butadiene–Styrene Modified Asphalt Binders." Materials 14, no. 7 (2021): 1734. http://dx.doi.org/10.3390/ma14071734.

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The requirements imposed on road pavements are ever increasing nowadays, necessitating the improvement of the properties of paving materials. The most commonly used paving materials include bituminous mixtures that are composed of aggregate grains bound by a bituminous binder. The properties of bitumens can be improved by modification with polymers. Among the copolymers used for modifying bitumens, styrene–butadiene–styrene, a thermoplastic elastomer, is the most commonly used. This article presents the results of tests conducted on bitumens modified with two types of styrene–butadiene–styrene
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21

Zhang, Ji Zhe, Martin Van de Ven, and Shao Peng Wu. "Morphology and Rheological Analysis of Nanoclay in Polymer Modified Bitumen." Key Engineering Materials 509 (April 2012): 155–61. http://dx.doi.org/10.4028/www.scientific.net/kem.509.155.

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This paper investigated the influence of nanoclay on the properties of polymer modified bitumen(PMB). The nanoclay-polymer modified bitumen has been produced by mixing a standard 70/100 pen bitumen with polymer at a fixed proportion and then mixed with different amount of nanoclay. The rheological behaviour of the samples have been determined using dynamic shear rheometer. The morphology of the samples as well as the distribution of polymer and nanoclay throughout the bitumen have been characterized with a fluorescence microscopy. The result indicate that the rheological properties of nanoclay
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22

Shirokova, Evgenia S., and Mikhail A. Vokhmyanin. "USING POLYETHYLENE TEREPHTHALATE CHEMICAL PROCESSING PRODUCTS FOR BITUMEN MODIFICATION." ChemChemTech 68, no. 1 (2024): 93–100. https://doi.org/10.6060/ivkkt.20256801.7137.

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Polyethylene terephthalate (PET) is one of the most widely used plastics in the world, whose mechanical and chemical recycling has been successfully mastered. Recently, PET chemical recicling products have attracted attention as potential additives to construction materials, including asphalt mixtures and concrete. The purpose of this research is to develop a way to chemically recycle PET waste to produce value-added products that can be used for bitumen modification. To achieve this goal, PET waste was subjected to an aminolysis reaction. The obtained terephthalic acid diamide underwent polyc
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23

Ghoreishi, Atefeh, Mojtaba Koosha, and Navid Nasirizadeh. "Modification of bitumen by EPDM blended with hybrid nanoparticles: Physical, thermal, and rheological properties." Journal of Thermoplastic Composite Materials 33, no. 3 (2018): 343–56. http://dx.doi.org/10.1177/0892705718805536.

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The aim of this research is to study the physical, thermal, and rheological properties of bitumen modified with ethylene propylene diene monomer (EPDM) elastomer and hybrid nanoparticles including carbon nanotubes (CNTs) masterbatch and bentonite nanoclay. Modified bitumen samples were prepared by mixing 60/70 bitumen with 3% EPDM, 0.1% CNT masterbatch, and 1.5% and 4.5% bentonite nanoclay. It was found that addition of these nanoparticles increased the softening point, reduced the penetration degree as well as temperature susceptibility of the modified bitumens. Results of rheological studies
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24

Pyshyev, Serhiy, Volodymyr Gunka, Yuriy Grytsenko, and Michael Bratychak. "Polymer Modified Bitumen: Review." Chemistry & Chemical Technology 10, no. 4s (2016): 631–36. http://dx.doi.org/10.23939/chcht10.04si.631.

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The main reasons and ways of bitumen modification by polymers were examined. Positive and negative aspects of the usage of different polymer modifiers (elastomers, thermoplastic elastomers, reactive polymers, thermoplastics) were analysed. The authors’ achievements concerning modification of bitumen by various polymers, namely indene-coumarone, petroleum, phenol-formaldehyde and epoxy resins, were described.
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25

Lv, Songtao, Dongdong Ge, Ziyang Wang, et al. "Performance Assessment of Self-Healing Polymer-Modified Bitumens by Evaluating the Suitability of Current Failure Definition, Failure Criterion, and Fatigue-Restoration Criteria." Materials 16, no. 6 (2023): 2488. http://dx.doi.org/10.3390/ma16062488.

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Fatigue cracking is a common form of flexible pavement distress, which generally starts and spreads through bitumen. To address this issue, self-healing elastomer (SHE) modified bitumens were elaborated to assess whether these novel materials can overcome the neat asphalt (NA) fatigue performance and whether the current failure definition, failure criterion, and fatigue-restoration criteria can fit their performance. All bitumens were subjected to short-term and long-term aging. Linear amplitude sweep (LAS) test, LAS with rest period (LASH), and simplified viscoelastic-continuum-damage (S-VECD
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26

Huang, Wentong, Duanyi Wang, Peiyong He, et al. "Rheological Characteristics Evaluation of Bitumen Composites Containing Rock Asphalt and Diatomite." Applied Sciences 9, no. 5 (2019): 1023. http://dx.doi.org/10.3390/app9051023.

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Previous studies have showed that rock asphalt (RA) or diatomite were used to modify the petroleum bitumen. This paper presents the findings from a study conducted to evaluate the potential impact of RA and diatomite on the rheological characteristics of bitumen composites. RA and diatomite with three different dosages were added into the petroleum bitumen: 18% RA, 13% RA+7% diatomite, and 16% RA+9% diatomite by weight. The rheological characteristics of the RA and diatomite modified bitumens were evaluated in this study. The tests conducted included temperature sweep and frequency sweep tests
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27

Wang, Wentong, Dedong Guo, Congcong Liu, Augusto Cannone Falchetto, Xinzhou Li, and Teng Wang. "Exploring the Self-Healing Capability and Fatigue Performance of Modified Bitumen Incorporating Waste Cooking Oil and Polyphosphoric Acid." Buildings 13, no. 5 (2023): 1188. http://dx.doi.org/10.3390/buildings13051188.

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Bitumen’s self-healing capability is critical to the bitumen industry’s sustainable development. This work attempts to examine the self-healing property and fatigue behavior of bitumen using waste cooking oil (WCO) and polyphosphoric acid (PPA) in bitumen modification. Different components of WCO were mixed with PPA and bitumen for the initial modification. The linear amplitude sweep (LAS) test was used to evaluate the fatigue behavior of the modified bitumen. To assess the extent of bitumen healing after a fatigue-healing test, evaluation indicators, including fatigue life recovery (FLR), mod
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28

Demchuk, Yuriy, Volodymyr Gunka, Iurii Sidun, et al. "Study of Road Bitumen Operational Properties Modified with Phenol–Cresol–Formaldehyde Resin." Resources 14, no. 6 (2025): 91. https://doi.org/10.3390/resources14060091.

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Using a relatively inexpensive method, phenol–cresol–formaldehyde resin (PhCR-F) was produced utilizing the byproducts of coal coking. It is shown that petroleum road bitumens, to which 1.0 wt.% PhCR-F is added, in terms of basic physical and mechanical parameters, comply with the requirements of the regulatory document for bitumens modified with adhesive additives. Research on the operational properties of these modified bitumens as a binding material for asphalt concrete is described. It has been proven that modified bitumen can store stable properties during its application (resistance to a
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Fatemi, Saeed, Jafar Bolouri Bazaz, and Seyed Ali Ziaee. "Laboratory Investigation of Using Calcium Lignosulfonate as an Oxidation Inhibitor in Bitumen." Advances in Civil Engineering 2022 (January 31, 2022): 1–17. http://dx.doi.org/10.1155/2022/1488958.

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Asphalt mixtures are the major constituent of road constructions. Those mixtures expose to high-temperature levels during the construction process and their life cycle. The bitumen aging occurred because of the harmful effects of elevated temperatures upon the asphalt mixtures, which leads to oxidation, evaporation, and physical hardening within the bitumen structure. The aging phenomenon can intensify the hardness and brittleness of bitumen, which negatively affects the performance of asphalt mixtures. Researchers have investigated different types of bitumen additives to diminish the negative
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30

Donchenko, M., and O. Grynyshyn. "Investigation of resistance of modified bitumines to technological aging." Chemistry, Technology and Application of Substances 5, no. 1 (2022): 56–60. http://dx.doi.org/10.23939/ctas2022.01.056.

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A comparison of the ability of modifiers of different classes to slow down the aging processes occurring in petroleum bitumen during pavement operation is presented in the article. Oxidized and residual road bitumens were used as research objects. Determination of resistance to hardening under the influence of heat and air was performed by the RTFOT method. Samples of oxidized bitumen with the addition of petroleum polymer resins with hydroxyl functional groups and heavy pyrolysis resin were found to have the best resistance, while for residual bitumen the highest resistance was observed with
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31

Al-Mansob, Ramez A., Amiruddin Ismail, Nur Izzi Md Yusoff, et al. "Rheological Characteristics of Epoxidized Natural Rubber Modified Bitumen." Applied Mechanics and Materials 505-506 (January 2014): 174–79. http://dx.doi.org/10.4028/www.scientific.net/amm.505-506.174.

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Polymer modified bitumens have tended to be the most popular among the various types of modified binders that are available worldwide. Polymer modification significantly alters the rheological characteristics of the binder, thereby requiring the use of fundamental rheological testing methods to provide an indication of the performance of the binder and subsequently the asphalt mixture. In this paper the characterization of bitumen modified with epoxidized natural rubber (ENR) was done with four percentages of ENR content. The effects of the modifier on the conventional properties, storage stab
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32

He, Rui, Shuhua Wu, Xiaofeng Wang, Zhenjun Wang, and Huaxin Chen. "Temperature Sensitivity Characteristics of SBS/CRP-Modified Bitumen after Different Aging Processes." Materials 11, no. 11 (2018): 2136. http://dx.doi.org/10.3390/ma11112136.

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Temperature sensitivity characteristics of bitumen can be evidently influenced by modifier types and natural aging processes. Many types of modifiers have been used to improve the temperature sensitivity performance of bitumen, but their effects are different. Therefore, different bitumen specimens as well as SBS/CRP (Styrene-butadiene-styrene polymer/crumb rubber powder)-modified bitumen were prepared and the temperature sensitivity characteristics of bitumen after different aging processes were analyzed in this study. A dynamic rheological property test and performance test at low temperatur
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33

Austruy, F., Ye Tileuberdi, Ye Ongarbaev, and Z. Mansurov. "Study of Production of Rubber-Bitumen Compounds." Eurasian Chemico-Technological Journal 14, no. 2 (2012): 133. http://dx.doi.org/10.18321/ectj106.

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In this article were investigated ways of production of Rubber-Bitumen Compounds (RBC). The physico-mechanical characteristics of paving bitumen BND 60/90 modified with rubber crumb from spent tire and spent engine oil. The structure of rubber crumb was characterized by optical microscopy and physico-mechanical characteristics of rubber-bitumen compounds are determined by standard methods. It established that the quantity of entered rubber-oil depending (ratio 3:2) on physical and chemical conditions. 15-25 wt.% rubber-oil modified bitumens were according to variety standard of RBC.
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34

Zieliński, K. "Analysis of Rheological State of SBS Modified Bitumens Based on Viscosity Measurements." Archives of Civil Engineering 59, no. 1 (2013): 143–53. http://dx.doi.org/10.2478/ace-2013-0007.

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Abstract Each bitumen has a slightly different group composition, thus bitumen modification with the SBS copolymer gives slightly different results in each case. Both in the industry and construction practice there is still no simple method available which would allow the evaluation of the impact of SBS content and the group composition of bitumen on the structural and rheological properties of the polymer bitumen mix. The article presents the results of the dynamic viscosity tests of three bitumen types. Based on the analysis of the results obtained, it was found that changes in the rheologic
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Celauro, Clara, Rosalia Teresi, and Nadka Tz Dintcheva. "Effect of Short-Term and UV Irradiation Aging on the Behaviour of SBS-Modified Bitumen." Sustainability 14, no. 11 (2022): 6915. http://dx.doi.org/10.3390/su14116915.

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To obtain road bitumen with improved temperature and fatigue resistance, polymers and/or rubbers could be added to it. A particularly suitable polymer for bitumen modification is styrene-butadiene-styrene (SBS) copolymer but limited information is available about the ageing behaviour of modified binders. In this work, two neat bitumens, with different penetration grades, and two SBS-modified bitumens, containing different SBS amounts, were selected, and their short-term and UVB ageing behaviour were investigated considering dynamic shear rheometry and Attenuated Total Reflectance-Fourier Trans
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Liu, Xing, Hong Yuan Xing, Gang Liu, Wei Fu, and Wen Bo Zeng. "Performance Evaluation of Anti-Ultraviolet Ageing Bitumen with Combined Modification Based on Dynamic Rheological Test." Materials Science Forum 993 (May 2020): 1373–81. http://dx.doi.org/10.4028/www.scientific.net/msf.993.1373.

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Based on the rheological property master curve, a new definition of ageing index was proposed for styrene-butadiene-styrene block copolymer (SBS) modified bitumen. The UV ageing resistance of the combined-modifier modified SBS bitumen was evaluated. Twelve different methods of combined modification were designed with three kinds of modifiers: ultraviolet absorber (Tinuvin 770), organic montmorillonite (OMMT) and layered double hydroxide (LDHs). With modified SBS bitumen, short-term ageing (TFOT) and laboratory ultraviolet ageing (UV) were performed. The dynamic shear rheometer (DSR) was used t
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Sudibyo, Tri, Fardzanela Suwarto, Muhammad Fauzan, and Chusnul Arif. "The Basic Rheological Properties of LDPE Modified Bitumen." Jurnal Teknik Sipil dan Lingkungan 9, no. 2 (2024): 275–82. http://dx.doi.org/10.29244/jsil.9.2.275-282.

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Various polymers have widely known in its capability in enhancing rheological properties of bitumen for various pavement applications. Many polymer types have been used in studies, where the properties of the final product of the polymer modified bitumen (PMB) are different, depending on the used polymers. LDPE or Low-Density Polyethylene are one of widely studied polymers in bitumen modification that exhibit higher bitumen's viscosity, perform better in resisting deformation under heavy loads, and tend to show better integrity in high temperatures. LDPE-modified bitumen also believed to enhan
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Murana, A. A., K. Akilu, and A. T. Olowosulu. "Use of expanded polystyrene from disposable food pack as a modifier for bitumen in hot mix asphalt." Nigerian Journal of Technology 39, no. 4 (2021): 1021–28. http://dx.doi.org/10.4314/njt.v39i4.7.

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This study evaluate the use of Disposable Food Pack (DFP) as a modifier for bitumen for an improved Hot Mix Asphalt (HMA). The bitumen was modified with 2%, 4%, 6%, 8% and 10% DFP obtained from domestic waste. The penetration, ductility and specific gravity of DFP modified bitumen decreased from 68mm to 59.5mm, 110cm to 101cm and 1.025 to 1.012 respectively with increase in DFP, while softening point increased from 49.5 oC to 54.5 oC with increase in DFP. The Marshal Stability results revealed that the DFP modified bitumen increased the stability values of the compacted mixes to a maximum of 9
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Gorbatova, V. N., Tatiana V. Dudareva, Irina A. Krasotkina, et al. "Study of the Influence of SBS and APDDR on the Low-Temperature Properties of Road Bitumen." Key Engineering Materials 899 (September 8, 2021): 50–57. http://dx.doi.org/10.4028/www.scientific.net/kem.899.50.

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A comparative assessment of the effect of two modifiers on the low-temperature properties of BND 90/130 bitumen was investigated using Asphalt Binder Cracking Device (ABCD test) and Dynamic Shear Rheometer (DSR 4-mm test). These modifiers are styrene-butadiene-styrene block copolymer (SBS) and active powder of discretely devulcanized rubber (APDDR) - powder elastomeric modifier obtained by high-temperature shear grinding of waste tire crumb rubber. ABCD results of RTFO-aged samples showed clear and gradual decrease of the ABCD cracking temperature (improvement) for all BC as the modifier conce
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Caputo, P., M. Porto, V. Loise, B. Teltayev, and C. Oliviero Rossi. "Analysis of Mechanical Performance of Bitumen Modified with Waste Plastic and Rubber Additives by Rheology and Self Diffusion NMR Experiments." Eurasian Chemico-Technological Journal 21, no. 3 (2019): 235. http://dx.doi.org/10.18321/ectj864.

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In this study, the mechanical and physico-chemical properties of a new kind of modified bitumen are presented. The bituminous binders have been modified in order to understand the effect on the structural properties of several compounds such as a Polymer elastomer as Styrene Butadiene Rubber (SBR), Polymer thermoplastic polypropylene (PP) and a waste plastic (Waste PP). Laboratory tests have been focused on the characterization of bitumen modified with single product and their binary combinations compared with pristine binder as a reference. Characterization has been conducted by using convent
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Sonu, Meena, and Rathore Harsh. "Enhancing Flexible Pavement Performance Using LDPE-Modified Bitumen: A Comprehensive Review." Journal of Structural Engineering, its Applications and Analysis 8, no. 2 (2025): 44–47. https://doi.org/10.5281/zenodo.15307729.

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<em>This review paper investigates the use of Low-Density Polyethylene (LDPE) as a bitumen modifier in flexible pavement construction. LDPE, derived from plastic waste, offers a sustainable solution for enhancing the rheological properties of bituminous mixes. Studies show that LDPE-modified bitumen improves the softening point, penetration index, ductility, and Marshall Stability value. Additionally, it enhances resistance to water damage, rutting, and cracking, extending pavement lifespan. Various processes, including dry and wet methods, have been analyzed for their effectiveness in uniform
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Elshahat*, Mohamed R., Alaa G. Sherif, Mohamed M. Elshafiey, and Waleed F. Tawhed. "Effect of Polymer Materials (StyreneButadiene-Styrene) on Marshall Asphalt Mix Criteria." International Journal of Engineering and Advanced Technology 10, no. 4 (2021): 143–47. http://dx.doi.org/10.35940/ijeat.d2415.0410421.

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this research aims to identify the impact of using polymer materials on physical properties of traditional bitumen used in asphaltic mix based on Marshall Mix design proceedings. During this research, traditional bitumen is modified by Styrene- Butadiene-Styrene (SBS). Percentages of 1,3,5,7, and 9% of SBS by weight of bitumen were mixed. Physical tests such as Penetration Test, Viscosity Test, Softening Point Test, and Flash Point Test were carried out to evaluate the enhancement in the modified bitumen properties. After that, HMA is prepared with polymer modified bitumen to study the change
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Mohamed, R. Elshahat, G. Sherif Alaa, M. Elshafiey Mohamed, and F. Tawhed Waleed. "Effect of Polymer Materials (StyreneButadiene-Styrene) on Marshall Asphalt Mix Criteria." International Journal of Engineering and Advanced Technology (IJEAT) 10, no. 4 (2021): 143–47. https://doi.org/10.35940/ijeat.D2415.0410421.

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this research aims to identify the impact of using polymer materials on physical properties of traditional bitumen used in asphaltic mix based on Marshall Mix design proceedings. During this research, traditional bitumen is modified by Styrene- Butadiene-Styrene (SBS). Percentages of 1,3,5,7, and 9% of SBS by weight of bitumen were mixed. Physical tests such as Penetration Test, Viscosity Test, Softening Point Test, and Flash Point Test were carried out to evaluate the enhancement in the modified bitumen properties. After that, HMA is prepared with polymer modified bitumen to study the change
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Abdul Hassan, Norhidayah, Nur Azni Ruzi, Nurul Athma Mohd Shukry, et al. "Physical properties of bitumen containing diatomite and waste engine oil." Malaysian Journal of Fundamental and Applied Sciences 15, no. 4 (2019): 528–31. http://dx.doi.org/10.11113/mjfas.v15n4.1230.

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The addition of modifier, either to replace bitumen or as an additive, could potentially improve the performance of conventional bitumen used in road construction. This study characterizes the physical properties of bitumen 80/100 penetration grade modified with diatomite powder and waste engine oil (WEO). Different percentages of WEO i.e. 1%, 2%, and 3%, were added with 1% diatomite to the bitumen. The conventional and modified bitumen samples were tested for penetration, softening point, viscosity, and loss on heating. Results showed that the increase of WEO content, particularly at 3% in th
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Mazurek, Grzegorz, Przemysław Buczyński, Marek Iwański, Marcin Podsiadło, Przemysław Pypeć, and Artur Kowalczyk. "Effects of the Mixing Process on the Rheological Properties of Waste PET-Modified Bitumen." Materials 16, no. 23 (2023): 7271. http://dx.doi.org/10.3390/ma16237271.

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This paper analyses the key findings of a study devoted to PET-modified bitumen. The research program was run according to the D-optimal experimental plan based on a factorial design. Five factors, i.e., the type of polymer (source), the type of bitumen (qualitative factors), PET amount, mixing rate, and mixing temperature (quantitative factors), controlled the bitumen–polymer mixing process. The experiment included a series of determinations of bitumen’s rheological characteristics obtained by MSCR (Jnr, R) and G*/sin(δ) at 50 °C, 60 °C, and 70 °C. The low-temperature properties of the compos
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Lv, Songtao, Dongdong Ge, Shihao Cao, et al. "Development of a Framework for Assessing Bitumen Fatigue Cracking Performance under Different Temperatures and Aging Conditions." Buildings 14, no. 2 (2024): 311. http://dx.doi.org/10.3390/buildings14020311.

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A full understanding of bitumen fatigue cracking behavior is extremely important as this phenomenon has a considerable influence on bituminous pavement performance. The current framework for assessing this asphalt binder property is inconsistent in ranking bitumen fatigue performance in terms of the failure definition and damage characteristic curve (DCC) analysis. This study used four different types of asphalt binders: neat asphalt (NA), self-healing thermoplastic polyurethane (STP)-modified bitumen, self-healing poly (dimethyl siloxane) crosslinked with urea bond (IPA1w)-modified bitumen, a
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Zhang, Liang, Pengfei Li, Guanfeng Hu, et al. "Study on the Aging Resistance of Polyurethane Precursor Modified Bitumen and its Mechanism." Sustainability 13, no. 17 (2021): 9520. http://dx.doi.org/10.3390/su13179520.

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As an environmentally friendly alternative for the production of high-performance modified asphalt by chemical reactions, a liquid-state polyurethane-precursor-based reactive modifier (PRM) was developed and employed in the asphalt modification. In contrast to the traditional solid bitumen modifier, for example, rubber and thermoplastic elastomers, the PRM as a liquid modifier has more significant advantages in reducing energy consumption and improving asphalt performance, which has attracted widespread attention. However, the aging resistance and its mechanism are not clear. In view of this,
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Coufalík, Pavel, Ondřej Dašek, Jiří Kachtík, Jan Kudrna, and Svatopluk Stoklásek. "The Stress Relaxation Of Modified Bitumens." International Journal on Pavement Engineering & Asphalt Technology 16, no. 1 (2015): 66–81. http://dx.doi.org/10.1515/ijpeat-2015-0004.

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Abstract The Asphalt pavements in Central and Eastern Europe have to be resistant to high and very low temperatures and climatic changes. Especially emphasize influence of low temperatures seems to be critical parameter. That is why the modified bitumens with low temperature susceptibility and with high resistance to low temperature cracking are searched for. Dynamic Shear Rheometer (DSR) can be used as a quick method that can evaluate the modification system of bituminous binders. The advantage of DSR testing is also related to possibility of comparison of unaged and aged bitumen. The relaxat
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FAZAELI, Hassan, Amir A. AMINI, Fereidoon MOGHADAS NEJAD, and Hamid BEHBAHANI. "RHEOLOGICAL PROPERTIES OF BITUMEN MODIFIED WITH A COMBINATION OF FT PARAFFIN WAX (SASOBIT®) AND OTHER ADDITIVES." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 22, no. 2 (2016): 135–45. http://dx.doi.org/10.3846/13923730.2014.897977.

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Fischer–Tropsch paraffin Sasobit® is a popular Warm Mix Asphalt (WMA) modifier applied to improve physi­cal and rheological properties of bitumen. Although there are a number of studies investigating the effects of sasobit on bitumen properties, little has been carried out on evaluation of bitumen modified by sasobit along with other additives. In this study, sasobit modified bitumen is used as the base condition and four common modifiers namely anti-stripping agent, Crumb Rubber (CR), Styrene–Butadiene–Styrene (SBS) and Polyphosphoric Acid (PPA) are added separately to the FT – Wax modified b
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Porto, Michele, Paolino Caputo, Valeria Loise, Shahin Eskandarsefat, Bagdat Teltayev, and Cesare Oliviero Rossi. "Bitumen and Bitumen Modification: A Review on Latest Advances." Applied Sciences 9, no. 4 (2019): 742. http://dx.doi.org/10.3390/app9040742.

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This synthesis explores the state-of-the-knowledge and state-of-the-practice regarding the latest updates on polymer-modified bitumens (PmBs). The information in this study was gathered from a thorough review of the latest papers in the literatures related to modified bituminous materials, technologies, and advances. For this purpose, the paper is presented in two principle sections. In the first part, the bitumen itself is investigated in terms of chemical structure and microstructural systems. In the second part, the paper focuses on bitumen modification from different aspects for assessing
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