Study on Rheological property of SBS Modified Asphalt Mortar Combining Burgers Model

the aging existing in use and construction of bituminous pavement will directly resulting in shortening of the pavement’s service life. It is provide the theoretical basis of the design and construction of the SBS modified asphalt mixture to analyze the influence of aging to the rheological property of SBS modified asphalt under high temperature. The testing for the rheological property of three kinds SBS modified asphalt under high temperature has been finished before and after the aging in construction by Brookfield DV Ⅱ+ type of rotation viscometer. The results indicated that viscosity will be increased and the sensitivity of SBS modified asphalt to viscosity will also be lowered along with increase of aging degree. The testing for the rheological property of three kinds of SBS modified asphalt has been finished before and after aging in usage period by the dynamic shear rheometer (DSR). The results shown that G* will be continually increased along with increase of aging degree and this is consistent with change of base asphalt. And this shown that the increase of G* can only come down to oxidation and aging of base asphalt contained in the modified asphalt and also, asphaltene in SBS modified asphalt will be changing in the mode same with that of base asphalt.

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Effect of the Amount of Mineral Powder on the Ultraviolet Aging Properties of Asphalt

Advances in Materials Science and Engineering ◽

10.1155/2016/5207391 ◽

2016 ◽

Vol 2016 ◽

pp. 1-9 ◽

Cited By ~ 8

Author(s):

Xiangbing Xie ◽

Shenjia Tong ◽

Yabi Ding ◽

Hongni Liu ◽

Linyuan Liang

Keyword(s):

Gel Permeation Chromatography ◽

Uv Aging ◽

Modified Asphalt ◽

Aging Properties ◽

The Matrix ◽

Mineral Powder ◽

Styrene Butadiene ◽

Sbs Modified Asphalt ◽

Asphalt Mortar ◽

Ultraviolet Aging

Mortar has an important influence on the viscosity and durability of a mixture. The effects of the amount of mineral powder in asphalt mortar on the ultraviolet (UV) aging properties of asphalt were investigated by a Fourier transform infrared spectrum (FTIR), gel permeation chromatography (GPC), and dynamic shear rheometer (DSR). The FTIR results show that the UV-resistant aging ability of asphalt mortar was superior to asphalt and that the carbonyl indices of the SBS- (styrene-butadiene-styrene-) asphalt mortar and matrix asphalt mortar were more significant. The GPC results show that the molecular weight distribution coefficient (Mw/Mn) of the SBS-asphalt-filler mastic is 1.0 and that of the matrix asphalt-filler mastic is 1.2, which is the largest. The macro-property is the most stable. The DSR results show that the matrix asphalt-filler mastic ranging from 1.0 to 1.2 and the SBS-modified asphalt-filler mastic ranging from 0.8 to 1.0 show the best UV aging resistance. Therefore, the effects of the amount of mineral powder cannot be ignored, suggesting that the best mass ratio of the matrix asphalt mortar is 1.2 and that of the SBS-modified asphalt mortar is 1.0 during the UV aging process.

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Reinforcement effect of fiber and deoiled asphalt on high viscosity rubber/SBS modified asphalt mortar

Petroleum Science ◽

10.1007/s12182-014-0361-2 ◽

2014 ◽

Vol 11 (3) ◽

pp. 454-459 ◽

Cited By ~ 13

Author(s):

Mengmeng Wu ◽

Rui Li ◽

Yuzhen Zhang ◽

Jianming Wei ◽

Yuchao Lv ◽

...

Keyword(s):

High Viscosity ◽

Reinforcement Effect ◽

Modified Asphalt ◽

Sbs Modified Asphalt ◽

Asphalt Mortar

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Effect of ultraviolet aging on dynamic mechanical properties of SBS modified asphalt mortar

Construction and Building Materials ◽

10.1016/j.conbuildmat.2021.122328 ◽

2021 ◽

Vol 281 ◽

pp. 122328 ◽

Cited By ~ 2

Author(s):

Huanan Yu ◽

Ding Yao ◽

Guoping Qian ◽

Jun Cai ◽

Xiangbing Gong ◽

...

Keyword(s):

Mechanical Properties ◽

Dynamic Mechanical Properties ◽

Modified Asphalt ◽

Dynamic Mechanical ◽

Sbs Modified Asphalt ◽

Asphalt Mortar ◽

Ultraviolet Aging

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Evaluation of Properties and Micro-Characteristics of Waste Polyurethane/Styrene-Butadiene-Styrene Composite Modified Asphalt

Polymers ◽

10.3390/polym13142249 ◽

2021 ◽

Vol 13 (14) ◽

pp. 2249

Author(s):

Bei Chen ◽

Fuqiang Dong ◽

Xin Yu ◽

Changjiang Zheng

Keyword(s):

Low Temperature ◽

Performance Test ◽

Permanent Deformation ◽

Modified Asphalt ◽

Basic Performance ◽

Styrene Butadiene Styrene ◽

Styrene Butadiene ◽

Sbs Modified Asphalt ◽

And Storage ◽

Butadiene Styrene

In order to solve the problems caused by asphalt diseases and prolong the life cycle of asphalt pavement, many studies on the properties of modified asphalt have been conducted, especially polyurethane (PU) modified asphalt. This study is to replace part of the styrene-butadiene-styrene (SBS) modifier with waste polyurethane (WP), for preparing WP/SBS composite modified asphalt, as well as exploring its properties and microstructure. On this basis, this paper studied the basic performance of WP/SBS composite modified asphalt with a conventional performance test, to analyze the high- and low-temperature rheological properties, permanent deformation resistance and storage stability of WP/SBS composite modified asphalt by dynamic shear rheometer (DSR) and bending beam rheometer (BBR) tests. The microstructure of WP/SBS composite modified asphalt was also observed by fluorescence microscope (FM) and Fourier transform infrared spectroscopy (FTIR), as well as the reaction between WP and asphalt. According to the results of this study, WP can replace SBS as a modifier to prepare WP/SBS composite modified asphalt with good low-temperature resistance, whose high-temperature performance will be lower than that of SBS modified asphalt. After comprehensive consideration, 4% SBS content and 15% WPU content (4 S/15 W) are determined as the suitable types of WPU/SBS composite modified asphalt.

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