Analysis of performance and mechanism of Buton rock asphalt modified asphalt
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DOI: 10.1002/app.46903
Abstract: The performance and modification mechanism of Buton rock asphalt (BRA) modified asphalt were analyzed. The road performance of modified asphalt was observed and compared with SBS modified asphalt to confirm the modification mechanism. Fourcomponent test,… read more here.
Keywords: mechanism buton; asphalt; bra; performance ... See more keywords
Dali’s melted pocket watch and the behavior of polymer modified asphalt binders
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DOI: 10.1007/s00397-018-1075-y
Abstract: Retardation and relaxation spectra of modified asphalt binders with nonlinear time, or in other words a stretched exponential function of time, were used for the description of accumulated compliance in the repeated creep and recovery… read more here.
Keywords: melted pocket; asphalt binders; polymer modified; dali melted ... See more keywords
Effects of Aging on the Multiscale Properties of SBS-Modified Asphalt
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-018-3399-4
Abstract: This study investigated the effects of aging on the micromechanics, chemical functional groups, and rheological properties of SBS-modified asphalt, with the help of atomic force microscopy, Fourier transform infrared spectroscopy, and dynamic shear rheometry, respectively.… read more here.
Keywords: properties sbs; effects aging; aging multiscale; sbs modified ... See more keywords
Development of paving performance index system for selection of modified asphalt binder
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DOI: 10.1016/j.conbuildmat.2017.07.151
Abstract: Abstract The objective is to establish a comprehensive paving performance index (PPI) for quantifying the cost-effectiveness of modified asphalt binders. Eight modified binders were characterized using a suite of mechanical tests for the rutting, fatigue,… read more here.
Keywords: paving performance; performance index; binder; performance ... See more keywords
Evaluating suitability of energy efficient and anti-stripping additives for polymer and Polyphosphoric acid modified asphalt binder using surface free energy approach
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DOI: 10.1016/j.conbuildmat.2017.10.079
Abstract: Abstract Polyphosphoric acid (PPA) along with reactive elastomeric terpolymer (RET) are being used to enhance rheological performance of asphalt binders. However, PPA+RET modified asphalt binders results in higher working temperature, thus difficult to use it… read more here.
Keywords: energy efficient; energy; asphalt binders; binder ... See more keywords
Development of empirical model for predicting G∗/Sinδ and viscosity value for nanoclay and Carbon Nano Tube modified asphalt binder
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DOI: 10.1016/j.conbuildmat.2018.01.021
Abstract: Abstract The present research work was undertaken to develop a simple empirical model to evaluate superpave rutting factor (G∗/Sinδ) and viscosity value for Nano Clay (NC) and Carbon Nano Tube (CNT) modified asphalt binders. The… read more here.
Keywords: viscosity; empirical model; value; model ... See more keywords
Laboratory evaluation of composed modified asphalt binder and mixture containing nano-silica/rock asphalt/SBS
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DOI: 10.1016/j.conbuildmat.2018.03.187
Abstract: Abstract As SBS modified asphalt has the disadvantages of high initial cost, difficult processing and poor storage stability, many researches have been conducted experiments on composed modified asphalt to get a more satisfactory pavement performance.… read more here.
Keywords: rock asphalt; asphalt; nano silica; modified asphalt ... See more keywords
Performance of polyurethane modified asphalt and its mixtures
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DOI: 10.1016/j.conbuildmat.2018.10.025
Abstract: Abstract Polymer modified asphalts are used to improve the performances of asphalt pavements. However, storage stability and aging performance need to be improved. Therefore, in this study, we focused on assessing the characteristics of polyurethane… read more here.
Keywords: polyurethane modified; performance; sbs modified; asphalt mixtures ... See more keywords
Short-term aging resistance investigations of polymers and polyphosphoric acid modified asphalt binders under RTFOT aging process
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DOI: 10.1016/j.conbuildmat.2018.10.060
Abstract: Abstract High viscosity is an important feature of SBS modified asphalt, but it is not always favorable because it need more energy to achieve the same viscosity for mixing and construction. Therefore, there are many… read more here.
Keywords: modified asphalt; aging resistance; short term; term aging ... See more keywords
Rheological characterization of high-modulus asphalt mix with modified asphalt binders
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DOI: 10.1016/j.conbuildmat.2018.10.194
Abstract: Abstract Complex Modulus (E∗) or stiffness is a fundamental design parameter of flexible pavements which can be used to determine the response of asphalt mix under traffic loading and thermal conditions. The modulus value heavily… read more here.
Keywords: eme; asphalt binders; modified asphalt; asphalt mix ... See more keywords
Phase field simulation and microscopic observation of phase separation and thermal stability of polymer modified asphalt
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DOI: 10.1016/j.conbuildmat.2019.01.180
Abstract: Abstract Phase separation and thermal stability of polymer modified asphalt are the most challenging issues that significantly affect the performance of asphalt in engineering applications. This paper employed phase field method to study phase separation… read more here.
Keywords: modified asphalt; stability; phase field; phase separation ... See more keywords