The assessment of influence of styrene-butadiene-styrene elastomer’s content on the functional properties of asphalt binders

Mielczarek, Marta; Słowik, Mieczysław; Andrzejczak, Karol

doi:10.17531/ein.2020.1.17

Cited by 4 publications

(6 citation statements)

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“…This might indicate an increase in road resistance to rutting (permanent deformation). The SBS copolymer also reduced the susceptibility of the asphalt binder to temperature changes [4].…”

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

“…The effect of SBS copolymer addition on asphalt properties has been described in various publications [ 1 , 4 ]. Mielczarek et al [ 4 ] presented the results of the investigation concerning the impact of content of SBS copolymer addition on the properties of asphalt binders. Based on the obtained results, an improvement in the functional properties of road pavements with the use of asphalt binders modified with SBS copolymer was observed, in consequence increasing the durability of the pavement.…”

Section: Introductionmentioning

confidence: 99%

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Assessment of Impact of Aramid Fibre Addition on the Mechanical Properties of Selected Asphalt Mixtures

et al. 2020

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Various additives to asphalt binders and asphalt mixtures improving their properties are being used more and more frequently in order to improve the durability of road pavements. Such additives include various types of fibres, including aramid fibres. Tests concerning the impact of aramid fibre addition on the properties of selected asphalt mixtures have been described herein. Two types of asphalt mixtures were assessed: high modulus asphalt concrete (HMAC) and stone mastic asphalt (SMA). The examined asphalt mixtures were assessed with regard to: resistance to rutting, resistance to water and frost as well as fatigue resistance. The conducted tests showed relatively small impact of aramid fibre addition on the improvement of some assessed properties of the analysed asphalt mixtures. The obtained results were also compared to results of the tests conducted by the other research team concerning the impact of aramid fibre addition on the properties of the other types of asphalt mixtures.

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“…This might indicate an increase in road resistance to rutting (permanent deformation). The SBS copolymer also reduced the susceptibility of the asphalt binder to temperature changes [4].…”

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Assessment of Impact of Aramid Fibre Addition on the Mechanical Properties of Selected Asphalt Mixtures

et al. 2020

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“…There is a huge diversity among polymer-modified bitumens from different production batches or from different manufacturers. The most commonly used elastomer is the SBS copolymer (styrene-butadiene-styrene) with a two-or three-block or disordered structure (e.g., styrene-butadiene-random (SBR)) [3][4][5]. SBS elastomers have mechanical properties comparable to volcanic rubber but are only physically cross-linked.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Rheological Properties of Polymer-Modified Asphalt Binders and Mastics with Organic Additive—Imidazoline

Mielczarek,

Fornalczyk,

Słowik

2024

Sustainability

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The article presents the results of testing the asphalt binder modified with SBS copolymer (5%) and its mixture with mineral fillers called asphalt mastics. The aim of the research and analysis was to check the possibility of using an organic additive in the form of imidazolines and to assess their impact on the viscoelastic properties of the obtained asphalt mastics. The main advantage of using imidazoline is the increased resistance of asphalt mixtures to low-temperature cracking at the top of the road route and reducing its maintenance costs. Based on the examination of the adhesion of the binder with the addition of various imidazolines to the aggregate, a selection was made from six analyzed subtypes. One of them was selected for further research. The tests were carried out in a dynamic shear rheometer in a wide temperature range from −36 °C to 82 °C, determining the most important parameters of the tested materials, i.e., dynamic shear modulus (|G*|), phase angle (δ) and the non-recoverable creep compliance (Jnr). The test results and their analysis confirmed the beneficial effect of imidazoline on the viscoelastic properties of mastics in the low-temperature range, even at the lowest content of 0.2%. Based on the results of the determination of Jnr and |G*|/sinδ in the range of high operating temperatures, no significant deterioration in permanent deformation parameters was observed. Moreover, the use of imidazoline reduces technological temperatures during the production of HMA used in the pavement and, therefore, reduces CO2 emissions into the atmosphere.

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“…The most recent scientific articles describing research on bitumen binders modified with SBS copolymer discuss the issue of rheological properties at high temperature and the influence of varied copolymer content in the binder on its output parameters [4,12,26]. However, the research on the influence of this modifier on the properties of the binder at low temperature is still a scientific niche, which is gradually, albeit slowly, filled by occasional scientific publications [22,27].…”

Section: Introductionmentioning

confidence: 99%

Bulletin of the Polish Academy of Sciences: Technical Sciences

Mielczarek¹,

Dziadosz²,

Słowik³

et al. 2020

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The subject matter of the research pertains to the improvement of rheological properties of petroleum bitumens by their modification with SBS (styrene-butadiene-styrene) copolymer. The authors have determined selected rheological properties characterising the durability of modified bitumens used in road pavements. The bitumens were modified in laboratory conditions with modified bitumen concentrate of a known SBS copolymer content of 9%. The result was a binder containing the known percentage of the SBS copolymer of 3%, 4.5% and 6%. Rheological properties of the tested bitumens were determined by the use of a DSR dynamic shear rheometer (in a wide temperature range from 40°C to 100°C) and a ductilometer at 5°C. DSR was used for performing MSCR test to determine the resistance of the asphalt mixture with the SBS-modified binder to permanent deformations in the high temperature range (from 40°C to 82°C). The comparison of the values of the dynamic shear modulus jG*j of all the bitumens tested shows that with a growing content of the SBS copolymer in the tested binder the value of jG*j increases, which may indicate greater resistance to permanent deformation of the asphalt pavement. The MSCR test has shown that the increased use of the SBS copolymer addition in the bitumen translates to decreasing values of the non-recoverable creep compliance J nr . The SBS copolymer accelerates stress relaxation in the bitumen sample, thus increasing pavement resistance to low-temperature cracks. Furthermore, modification reduces the negative impact of ageing on the properties of the binder, manifested by its stiffening and slowdown of relaxation.

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The assessment of influence of styrene-butadiene-styrene elastomer’s content on the functional properties of asphalt binders

Abstract: Article citation info: (*) Tekst artykułu w polskiej wersji językowej dostępny w elektronicznym wydaniu kwartalnika na stronie www.ein.org.pl

Cited by 4 publications

References 16 publications

Assessment of Impact of Aramid Fibre Addition on the Mechanical Properties of Selected Asphalt Mixtures

Assessment of Impact of Aramid Fibre Addition on the Mechanical Properties of Selected Asphalt Mixtures

Evaluation of Rheological Properties of Polymer-Modified Asphalt Binders and Mastics with Organic Additive—Imidazoline

Bulletin of the Polish Academy of Sciences: Technical Sciences

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