Differing perspectives on the use of high-content SBS polymer-modified bitumen

Wu, Wangjie; Cavalli, Maria Chiara; Jiang, Wei; Kringos, Nicole

doi:10.1016/j.conbuildmat.2023.134433

Cited by 69 publications

(11 citation statements)

References 167 publications

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“…The research [17] compares the applications of high-content styrene-butadiene-styrene (SBS) polymer-modified bitumen. Our study revealed that adding a significant amount of styrene-butadiene-styrene (SBS) greatly enhances the ability of asphalt to resist rutting, withstand fatigue, and maintain its durability over time.…”

Section: The Aim and Objectives Of The Studymentioning

confidence: 99%

Identifying the effect of polymer composition in hot mix asphalt modification

Junus,

Renreng,

Syahid

et al. 2024

EEJET

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The effect of polymer composition on hot mix asphalt (HMA) is the primary focus of this research. The primary goal is to examine how temperature affects HMA's mechanical characteristics and performance, especially concerning polymer concentration. Polymer composition and modifications to HMA, including synthetic rubber and high-density polyethylene (HDPE), are the object of this research. Optimizing HMA polymer mix to improve durability, load-bearing capacity, and structural integrity is the study's key issue. The study also seeks to understand the intricate interaction between polymer concentration and HMA parameters, such as compressive strength, modulus, and stress. The research findings indicate that the maximum load of 68.169 kN was achieved with a mixture containing 5 % synthetic rubber at a temperature of 200 °C. The material exhibited stiffness and resistance to deformation, with an average crack size of 0.01 kN/mm2 and a modulus value of 0.309 kN/mm2. According to the Marshall function, the optimal blend consists of 5 % asphalt mixed at 175 °C. The results indicate that polymer mix considerably affects HMA's mechanical properties, particularly load-bearing capacity and deformation resistance. To optimize HMA performance, polymer content and temperature must be optimized. The results show that HMA with 5 % synthetic rubber under specified temperature settings has better mechanical qualities, including load-bearing capacity and stiffness. These findings help optimize polymer composition for HMA performance. These findings can be used to create more lasting and eco-friendly paving solutions. Road engineers and designers can extend asphalt pavement life and reduce environmental effects by adjusting the HMA polymer mix and temperature

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Section: The Aim and Objectives Of The Studymentioning

confidence: 99%

Identifying the effect of polymer composition in hot mix asphalt modification

Junus,

Renreng,

Syahid

et al. 2024

EEJET

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“…During the construction process of highways, harmful gas emissions will be generated. Therefore, in the feasibility analysis stage of new energy construction, it is also necessary to analyze environmental emissions (Renken et al, 2018;Büchner et al, 2019;Walther et al, 2019;Wu et al, 2024). In terms of environmental impact, (Vergara-Zambrano et al, 2022), proposed a design method for a solar-biogas hybrid renewable energy system that can help reduce environmental pollutant emissions by 30%-80%.…”

Section: Frontiers In Energy Researchmentioning

confidence: 99%

Feasibility analysis of hybrid energy generation systems for desert highway service areas: a case study in northern Xinjiang, China

Wang,

Zhang,

Tang

et al. 2024

Front. Energy Res.

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Highways consume a significant amount of electrical energy annually, especially in remote desert regions where the cost of electricity is high. This research explores the utilization of natural resources along desert highways to establish hybrid energy generation systems for service areas. Three service areas along the desert highway in northern Xinjiang, China, serve as case studies. To assess the feasibility of hybrid energy generation systems in these service areas, meteorological data for the three locations were obtained from the NASA platform. The HOMER Pro software was employed for technical, economic, and environmental analyses of the systems. The results indicate the feasibility of Photovoltaic (PV)/Wind/Battery hybrid energy systems in the Huanghuagou, Kelameili, and Wujiaqu service areas. The application of these hybrid energy generation systems across the three service areas could provide 3,349,557 kWh of electrical energy annually for the desert highway. Sensitivity analysis reveals that the Net Present Cost (NPC) and Cost of Energy (COE) values decrease with increasing radiation levels, while NPC shows an increasing trend with growing load demand, and COE exhibits a decreasing trend. Among the three regions, Wujiaqu demonstrates the highest economic viability, with a COE of $0.34/kWh and an NPC of $3,141,641/kWh. Furthermore, Wujiaqu exhibits the lowest environmental impact, with CO2 emissions of 198,387 kg/yr, SO2 emissions of 493 kg/yr, and NOx emissions of 1,711 kg/yr.

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“…MD simulations also shed light on atomic interactions at the asphalt interface. Wang and Wu [ 25 , 26 ] found that water molecules influence the adhesive strength of the asphalt–aggregate interface. The adhesion between asphalt mixtures and ice, as well as the impact of salts on the asphalt–ice interface under extreme environmental conditions, continues to be explored in depth [ 27 , 28 ].…”

Section: Introductionmentioning

confidence: 99%

A Molecular Dynamics Analysis of the Thickness and Adhesion Characteristics of the Quasi-Liquid Layer at the Asphalt–Ice Interface

Jiao,

Yao,

Qiu

et al. 2024

Materials

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The quasi-liquid layer (QLL), a microstructure located between ice and an adhering substrate, is critical in generating capillary pressure, which in turn influences ice adhesion behavior. This study employed molecular dynamics (MD) methods to obtain QLL thickness and utilized these measurements to estimate the adhesive strength between ice and asphalt. The research involved constructing an ice–QLL–asphalt MD model, encompassing four asphalt types and five temperature ranges from 250 K to 270 K. The QLL thickness was determined for various asphalts and temperatures using the tetrahedral order parameter gradient. Additionally, capillary pressure was calculated based on the QLL thickness and other geometric parameters obtained from the MD analysis. These findings were then compared with ice adhesion strength data acquired from pull-off tests. The results indicate that QLL thickness varies with different asphalt types and increases with temperature. At a constant temperature, the QLL thickness decreases in the order of the basal plane, primary prism plane, and secondary prism plane. Furthermore, the adhesion strength of the QLL diminishes as the temperature rises, attributed to the disruption of hydrogen bonds at lower temperatures. The greater the polarity of the asphalt’s interface molecules, the stronger the adhesion strength and binding free energy. The MD simulations of the asphalt–ice interface offer insights into the atomic-scale adhesive properties of this interface, contributing to the enhancement in QLL property prediction and calibration at larger scales.

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Differing perspectives on the use of high-content SBS polymer-modified bitumen

Cited by 69 publications

References 167 publications

Identifying the effect of polymer composition in hot mix asphalt modification

Identifying the effect of polymer composition in hot mix asphalt modification

Feasibility analysis of hybrid energy generation systems for desert highway service areas: a case study in northern Xinjiang, China

A Molecular Dynamics Analysis of the Thickness and Adhesion Characteristics of the Quasi-Liquid Layer at the Asphalt–Ice Interface

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