modification mechanism of high modulus asphalt binders and
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modification mechanism of high modulus asphalt binders and.

Modification mechanism of high modulus asphalt binders and ...

Aug 15, 2015  1. Introduction. French engineers developed high modulus asphalt concrete (HMAC) to reduce the thickness of the base course in the early 1980s .HMACs were also used in the base layer of long life asphalt pavement in America .Considering the good performance of HMACs, HMACs were used widely in the construction of the binder and wearing course to improve rutting resistance and limit the

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Modification mechanism of high modulus asphalt binders and ...

To observe the micro-morphology of high modulus asphalt binders (HMABs), a scanning electron microscope (SEM) and a fluorescence microscope were employed. To evaluate the performance characteristics of mixtures using these binders, laboratory mixture tests were conducted.

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Modification mechanism of asphalt binder with waste tire ...

Nov 15, 2016  Huang studied the modification mechanism of rubber on asphalt binder. The result found that the rutting resistance was improved because at high temperatures the viscosity and elasticity increased. The fatigue resistance was improved at low temperatures because after aging, the

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High temperature property and modification mechanism of ...

Nov 20, 2020  This research explores the influence of waste engine oil bottom (WEOB) on the high temperature rheological property of two asphalt binders (i.e. base binder and SBS modified binder). For this study, these binders were first modified by WEOB with different contents (2, 4, and 6 wt%).

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Improvement on the high-temperature stability and anti ...

The modification mechanism of the ECB on the chemical structure, high-temperature stability and anti-aging performance of the asphalt binder were further examined with the Fourier Transform Infrared Spectrometer (FTIR) test, Thermogravimetric Analysis (TGA) test and Atomic Force Microscopy (AFM) test respectively.

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High temperature property and modification mechanism of ...

Nov 20, 2020  This research explores the influence of waste engine oil bottom (WEOB) on the high temperature rheological property of two asphalt binders (i.e. base binder and SBS modified binder). For this study, these binders were first modified by WEOB with different contents (2, 4, and 6 wt%).

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Mechanism and Rheological Properties of High-Modulus Asphalt

The effects of high-modulus agent on the viscoelastic properties of asphalt with different dosages were quantified via rheological tests as compared to base binder and styrene-butadiene-styrene ...

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1. Introduction - Hindawi

In this study, the rheological properties of high-modulus asphalt, 70# asphalt, and SBS-modified asphalt, high-temperature performance of asphalt mixtures, and the modification mechanism of the high-modulus agent in the binder were discussed via a series of laboratory tests.

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Modification mechanism of asphalt binder with waste tire ...

In this paper, the fundamental modification mechanism of asphalt binder modified with waste tire rubber (WTR) and recycled polyethylene (RPE) was studied through a comprehensive laboratory program. The base asphalt binder was mixed with 5% and 10% WTR of the mass of the asphalt binder, respectively. The modified asphalt binder is then prepared with additional 2% and 4% RPE of the

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Rheological, physicochemical, and microstructural ...

Jun 01, 2021  In this study, asphalt binder modification by means of FSN was investigated, considering the effects of short-term and long-term aging on the rheological, thermal, and microstructural binder ...

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Modified Asphalt Research Center (MARC) Publications and ...

"Effects of High Modulus Asphalt Binders on Performance of Typical Asphalt Pavement Structures." In Transportation Research Record: Journal of the Transportation Research Board, No. TBD, Transportation Reserach Board of the National Academies, Washington D.C. 2013, pp. TBD.

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High Modulus Asphalt (EME2) - Amazon Web Services

The main outcomes for the High Modulus Asphalt (EME2) project include the modification and development of technical guidance regarding specifications for EME2 mix design, compaction and placement of asphalt layers in line with the national specification framework.

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Evaluation of Bituminous Mix Characteristics Prepared with ...

Aug 14, 2020  The stiffer or hard binder shall provide solution for improving the performance. This article aims in evaluating the performance characteristics of high modulus asphalt concrete (HMAC) mixture from the laboratory-developed high modulus asphalt binder (HMAB). The HMAC mixes prepared with HMAB require a penetration value of 10/20 or 15/25 at 25 °C.

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Mechanics and Pavement Properties ... - Scientific.Net

Nanomaterials (nano powdered rubber VP401, VP501 and sepiolite and CaCo3 composites) were selected to improve the high-temperature and low-temperature performance of asphalt binder. Nanomaterial modified asphalt was prepared using the high shear machine. Laboratory experiments of asphalt binder and asphalt mixture were conducted to evaluate the properties of modified asphalt binder

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Recycling Aged Asphalt Using Hard Asphalt Binder for Hot ...

Increasing the content of reclaimed asphalt pavement material (RAP) in hot-mix recycled asphalt mixture (RHMA) with a satisfactory performance has been a hot topic in recent years. In this study, the performances of Trinidad lake asphalt (TLA), virgin asphalt binder, and aged asphalt binder were first compared, and then the modification mechanism of TLA on virgin asphalt and aged asphalt was ...

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分享给微信好友或者朋友圈 - upc.cn

ZOU X,SHA A,JIANG W,et al.Modification mechanism of high modulus asphalt binders and mixtures performance evaluation[J].Construction and Building Materials,2015,90:53-58. 查找原文 目录 contents

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Evaluation of Bituminous Mix Characteristics Prepared with ...

The stiffer or hard binder shall provide solution for improving the performance. This article aims in evaluating the performance characteristics of high modulus asphalt concrete (HMAC) mixture from the laboratory-developed high modulus asphalt binder (HMAB). The HMAC mixes prepared with HMAB require a penetration value of 10/20 or 15/25 at 25 °C.

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(PDF) Use of maleic anhydride grafted recycled ...

Mixing and compacting temperature ranges, another important criteria for binders calculated from the equations, seem to be slightly increased at low and medium modification levels (1-5%). However, at high modification level of 9%, mixing and compacting temperature ranges rise to 199-205 °C and 186-191°C respectively from 135-142 and 122-128 ...

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Materials Free Full-Text The Influence of Zero Shear ...

Mastic asphalt (MA) has been particularly popular in recent years for bridge pavements due to many advantages such as easy application, good waterproofing properties, and high durability. However, the drawback of mastic asphalt in comparison to other asphalt mixtures is its lower resistance to permanent deformation. Trinidad Lake Asphalt (TLA) is often applied to make mastic asphalt resistant ...

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Modification of Binder - nj.gov

Polymer modification of asphalt, which can improve both low and high performance, is already available; however, in many cases traditional Superpave testing is not sensitive enough to quantify the impact of modification, dimensioning its use.

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Preparation, properties and modification mechanism of ...

asphalt binder for improving the high-temperature stability and ... strength and modulus of PU. ... properties and modification mechanism of polyurethane modified emulsified asphalt ...

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Preparation and performance of UHMWP modified asphalt and ...

Meanwhile, it reveals the mechanism of the TLA and polyester fibre composite modified on high-modulus asphalt mixture and recommends the best solution of high-modulus asphalt complex is

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Rheological, physicochemical, and microstructural ...

Jun 01, 2021  In this study, asphalt binder modification by means of FSN was investigated, considering the effects of short-term and long-term aging on the rheological, thermal, and microstructural binder ...

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Research of the Rheological Modification Mechanism of ...

Jun 13, 2020  However, rubber asphalt mixtures demand higher production temperatures than conventional asphalt binders due to the higher viscosity of asphalt rubber binder. The main objective of this study is to evaluate the rheological properties of rubber-modified asphalt by adding polyamide 6 and investigate the modification mechanism of crumb rubber ...

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Correlation between multiple stress creep recovery (MSCR ...

AND POLYMER MODIFICATION OF BINDER 2012/2013 Yusuf Mehta, Ph.D., P.E. Master of Science in Civil Engineering Nationwide traffic loads are increasing, pushing conventional asphalt to its limit, while in New Jersey matters are made worse by the heavy use of the Northeast Corridor. Polymer modification

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Mechanics and Pavement Properties ... - Scientific.Net

Nanomaterials (nano powdered rubber VP401, VP501 and sepiolite and CaCo3 composites) were selected to improve the high-temperature and low-temperature performance of asphalt binder. Nanomaterial modified asphalt was prepared using the high shear machine. Laboratory experiments of asphalt binder and asphalt mixture were conducted to evaluate the properties of modified asphalt binder

Get Price

Recycling Aged Asphalt Using Hard Asphalt Binder for Hot ...

Increasing the content of reclaimed asphalt pavement material (RAP) in hot-mix recycled asphalt mixture (RHMA) with a satisfactory performance has been a hot topic in recent years. In this study, the performances of Trinidad lake asphalt (TLA), virgin asphalt binder, and aged asphalt binder were first compared, and then the modification mechanism of TLA on virgin asphalt and aged asphalt was ...

Get Price

Evaluation of Bituminous Mix Characteristics Prepared with ...

The stiffer or hard binder shall provide solution for improving the performance. This article aims in evaluating the performance characteristics of high modulus asphalt concrete (HMAC) mixture from the laboratory-developed high modulus asphalt binder (HMAB). The HMAC mixes prepared with HMAB require a penetration value of 10/20 or 15/25 at 25 °C.

Get Price

Effect of Aging on the Rheological and Molecular Weight ...

Aug 17, 2021  Asphalt binder behaves as a viscoelastic material and its inherit performance is dominated by rheological and chemical properties. Aging of asphalt binder is a prominent distress for long-term in-service asphalt pavement. In this work, the effect of aging on base asphalt modified by polyphosphoric acid (PPA) has been investigated. For the objective, virgin asphalt binder was

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Production of Hard Grade Bitumen for Using in High Modulus ...

Corpus ID: 55201258. Production of Hard Grade Bitumen for Using in High Modulus Asphalt Concrete @inproceedings{Humeidawi2018ProductionOH, title={Production of Hard Grade Bitumen for Using in High Modulus Asphalt Concrete}, author={Basim H. Al Humeidawi and M. Medhlom and Kassim kadhim Hameed and Huda A. Kadhim}, year={2018} }

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Effect of kaolinite clay/SBS on rheological performance of ...

Feb 18, 2020  The test results showed that modification of VG-10 asphalt binder with 2% of kaolinite clay and 4% of styrene–butadiene–styrene blended at 155 ± 5 °C for a period of 75 min resulted in a homogenous modified asphalt binder. ... (2015) Modification mechanism of high modulus asphalt binders and mixtures performance evaluation. Constr Build ...

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Online Program Event - MyTRB

Multi-scale evaluation of the rheological and mechanical properties of asphalt binder has substantial importance to understand asphalt binder’s micro- and macro-scale properties. This study aims to compare the macro- and micro-scale mechanistic properties of asphalt binders. Test samples used in this study include Performance Grade (PG ...

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Effect of the binary compound method of TOR promoting ...

After that, the surface-treated CRP and a certain content of TOR were added to the matrix asphalt, and the binary compound modified rubber asphalt was prepared by high-speed shear method, with a shear temperature 180 °C ± 5 °C and shear rate 6000 r/min for 60 min, and then developed in the oven at 170 °C for 60 min to make modified rubber ...

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