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EnglishThis paper presents a laboratory investigation aimed at establishing a protocol for the production of homogeneous asphalt mixtures test specimens, incorporating reclaimed asphalt by using a gyratory compactor with coring and trimming works. Stone mastic asphalt specimens were compacted at the previously identified target densities with the final aim of obtaining specimens with a fixed and homogeneous air void distribution. A microstructural study was conducted to characterize the homogeneity in the air void distribution using X-ray computed tomography (CT) combined with image analysis techniques. The study concluded that the gyratory compactor is suitable for producing homogeneous test specimens for the specified mixtures and a set of detailed procedures has been proposed for the production of the compacted specimens and to perform the microstructural study.
Lo Presti, D., Hassan, N., Khan, R., & Airey, G. (2015). Reclaimed asphalt test specimen preparation assisted by image analysis. JOURNAL OF MATERIALS IN CIVIL ENGINEERING, 27(8), C4014005 [10.1061/(ASCE)MT.1943-5533.0001012].
| Data di pubblicazione: | 2015 | |
| Titolo: | Reclaimed asphalt test specimen preparation assisted by image analysis | |
| Autori: | ||
| Citazione: | Lo Presti, D., Hassan, N., Khan, R., & Airey, G. (2015). Reclaimed asphalt test specimen preparation assisted by image analysis. JOURNAL OF MATERIALS IN CIVIL ENGINEERING, 27(8), C4014005 [10.1061/(ASCE)MT.1943-5533.0001012]. | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1061/(ASCE)MT.1943-5533.0001012 | |
| Abstract: | This paper presents a laboratory investigation aimed at establishing a protocol for the production of homogeneous asphalt mixtures test specimens, incorporating reclaimed asphalt by using a gyratory compactor with coring and trimming works. Stone mastic asphalt specimens were compacted at the previously identified target densities with the final aim of obtaining specimens with a fixed and homogeneous air void distribution. A microstructural study was conducted to characterize the homogeneity in the air void distribution using X-ray computed tomography (CT) combined with image analysis techniques. The study concluded that the gyratory compactor is suitable for producing homogeneous test specimens for the specified mixtures and a set of detailed procedures has been proposed for the production of the compacted specimens and to perform the microstructural study. | |
| URL: | http://ascelibrary.org/mto/resource/1/jmcee7/ | |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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http://hdl.handle.net/10447/418254
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