Results 131 to 140 of about 2,079 (182)
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Cracking Resistance of Asphalt Rubber Mix Versus Hot-Mix Asphalt
Road Materials and Pavement Design, 2004ABSTRACT Laboratory beam fatigue tests were performed to evaluate the intermediate- and low-temperature fatigue cracking parameters of typical Asphalt Rubber Mixes (ARM) and hot-mix asphalt (HMA). A notch with known dimensions is cut in the bottom surface of the beam. The beam is subjected to loading-unloading cycles under 3-point bending action.
Michael Mamlouk, Barzin Mobasher
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Laboratory Investigation of Mixing Hot-Mix Asphalt with Reclaimed Asphalt Pavement
Transportation Research Record: Journal of the Transportation Research Board, 2005This paper presents a laboratory study in which the blending process of reclaimed asphalt pavement (RAP) with virgin mixture was analyzed through controlled experiments. One type of screened RAP was blended with virgin (new) coarse aggregate at different percentages.
Baoshan Huang +4 more
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Evaluation of Recycled Asphalt Shingles in Hot Mix Asphalt
Transportation and Development Institute Congress 2011, 2011The objective of this study was to evaluate the performance of asphalt mixtures containing different dosages of recycled asphalt shingles (RAS) using the dynamic modulus (|E*|) test with a universal testing machine and rutting test with the asphalt pavement analyzer (APA). In this study, 5% and 10% RAS were used in the Superpave mixtures.
Shu Wei Goh, Zhanping You
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Effects of Reclaimed Asphalt Pavement on Hot-mix Asphalt
Advances in Civil Engineering Materials, 2014Abstract This study examined the effects of reclaimed asphalt pavement (RAP) on the structural properties and performance of hot-mix asphalt (HMA) and the rheological properties of asphalt binder in the laboratory. As a first step, dynamic modulus (|E*|) and indirect tensile strength (ITS) tests were conducted on a set of HMA samples ...
Md Rashadul Islam +3 more
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Low-Energy Asphalt with Performance of Hot-Mix Asphalt
Transportation Research Record: Journal of the Transportation Research Board, 2006The paper presents an original process to produce a warm asphalt mixture: low-energy asphalt (LEA) with the performance of hot-mixasphalt(HMA). The Kyoto agreements continue to divide the planet, while protocol signatories are defining their application conditions.
Alain Romier +4 more
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Characterization of Recycled Asphalt Pavement Materials for Use in Hot-Mix Asphalt Mixes
Journal of Testing and Evaluation, 2023ABSTRACT The use of recycled asphalt pavements (RAPs) has been a common practice in recent times owing to the sustainability aspect as well as the cost savings. Characterization of RAP is a challenging task because of the high variability in RAP, which can be associated with several factors such as the source, milling method, and ...
Deepa Sasidharan +3 more
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Determination of Lime in Hot-Mix Asphalt
Transportation Research Record: Journal of the Transportation Research Board, 2006Lime is added to hot-mix asphalt to mitigate stripping and other modes of moisture damage. No standard forensic test exists for the measurement of the lime content after it has been incorporated in the asphalt. This paper evaluates several methods to quantify the amount of hydrated lime (calcium hydroxide) in asphalt.
Terry S. Arnold +2 more
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2015
Hot mix asphalt recycling has become common practice all over the world since the 1970s because of the crisis in oil prices. In the Netherlands, hot recycling has advanced to such an extent that in most of the mixtures more than 50% of reclaimed asphalt (RA) is allowed. These mixtures with such a high RA content are produced in a batch plant to which a
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Hot mix asphalt recycling has become common practice all over the world since the 1970s because of the crisis in oil prices. In the Netherlands, hot recycling has advanced to such an extent that in most of the mixtures more than 50% of reclaimed asphalt (RA) is allowed. These mixtures with such a high RA content are produced in a batch plant to which a
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Detection of Stripping in Hot-Mix Asphalt
Transportation Research Record: Journal of the Transportation Research Board, 2006Damage mechanisms that lead to stripping significantly affect the dynamic modulus and tensile strength of hot-mix asphalt (HMA). When stripped HMA is unexpectedly encountered below the planned milling depth during routine mill and overlay rehabilitation projects, it must be removed and replaced; this causes significant cost overruns and delays.
Michael I. Hammons +4 more
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Microstructure Index of Hot Mix Asphalt
Road Materials and New Innovations in Pavement Engineering, 2011Digital image processing technique is used to quantify the impact of aggregate gradation and compaction method on air voids distribution and aggregate orientation and distribution. The air voids distribution was found to be sensitive to water permeability than traditional volume indexes.
Yue-jing Lv, Lei Zhang, Xing-lin Zhou
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