2021
DOI: 10.3390/ma14040771
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High and Low-Temperature Performance Evaluation and Microanalysis of SMCSBS Compound-Modified Asphalt

Abstract: The mixture of styreneic methyl copolymers (SMCs) normal temperature-modified asphalt and styrene-butadiene styrene block copolymer (SBS)-modified asphalt (SMCSBS) compound-modified asphalt was investigated in this study. The viscosity and temperature properties of compound modified asphalt (SMCSBS) were studied by Brookfield rotary viscosity test. Dynamic shear rheometer (DSR) and bending beam rheometer (BBR) were used to test SMCSBS compound modified asphalt with different SMC additions. Finally, the microst… Show more

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Cited by 11 publications
(5 citation statements)
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“…which is consistent with Sun et al's research on the properties of SMCSBS composite modified asphalts [28]. As shown in Figure 2b, under the same stress amplitude, it is obvious that the mixture with the 10% SMCSBS asphalt aggregate ratio of 4.3 had the maximum fatigue life, the mixture with the 12% asphalt aggregate ratio of 4.3 had the minimum fatigue life, and the others were close.…”
Section: Analysis Of the Influence Of Smc Content On Fatigue Performancesupporting
confidence: 90%
See 2 more Smart Citations
“…which is consistent with Sun et al's research on the properties of SMCSBS composite modified asphalts [28]. As shown in Figure 2b, under the same stress amplitude, it is obvious that the mixture with the 10% SMCSBS asphalt aggregate ratio of 4.3 had the maximum fatigue life, the mixture with the 12% asphalt aggregate ratio of 4.3 had the minimum fatigue life, and the others were close.…”
Section: Analysis Of the Influence Of Smc Content On Fatigue Performancesupporting
confidence: 90%
“…For the sake of comparison, the loading frequency 10 Hz, fatigue life of different SMC content, and different asphalt aggregate ratio were selected, as shown in Figure 2. It can be seen from Figure 2a that under the same stress ratio conditions, the fatigue life of the mixture with a 10% SMCSBS asphalt aggregate ratio of 4.3 was the largest, followed by the fatigue life of the mixture with an 8% SMCSBS asphalt aggregate ratio of 4.8, which is consistent with Sun et al's research on the properties of SMCSBS composite modified asphalts [28]. As shown in Figure 2b, under the same stress amplitude, it is obvious that the mixture with the 10% SMCSBS asphalt aggregate ratio of 4.3 had the maximum fatigue life, the mixture with the 12% asphalt aggregate ratio of 4.3 had the minimum fatigue life, and the others were close.…”
Section: Analysis Of the Influence Of Smc Content On Fatigue Performancesupporting
confidence: 88%
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“…The selection and proportion of curing agent have a significant influence on the curing temperature, curing rate, and mechanical properties of EAB. Based on a literature review of recent studies on epoxy asphalt in the chemical industry, a modified aliphatic amine curing agent was selected due to the low curing temperature, fast curing rate and good flexibility for the EAB [18][19][20]. One challenge in formulating CHES epoxy asphalt is the compatibility between the epoxy resin, which is polar, and conventional asphalt, which is nonpolar [21][22][23].…”
Section: Materials Selectionmentioning
confidence: 99%
“…Other authors used rheological tests on a DSR [42][43][44] or a bending beam rheometer (BBR) [45][46][47] to show that the addition of SBS significantly reduces the low-temperature stiffness of asphalt binders and improves its fatigue performance. Still, the SBS polymer is swollen by saturates and aromatics and can make the base binder lack maltene fraction.…”
Section: Rheological Characterizationmentioning
confidence: 99%