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The viscoelastic ch...
The viscoelastic characterisation of asphalt mixtures using the indentation test
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- Fadil, Hassan (författare)
- KTH,Byggnadsmaterial
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- Chen, Feng, 1987- (författare)
- KTH,Byggvetenskap,Department of Highway and Railway Engineering, School of Transportation, Southeast University, Nanjing, People’s Republic of China
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- Elaguine, Denis, Docent, 1979- (författare)
- KTH,Byggnadsmaterial,Department of Civil and Architectural Engineering, KTH – Royal Institute of Technology, Stockholm, Sweden
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- Partl, Manfred (författare)
- KTH,Byggnadsmaterial,Department of Civil and Architectural Engineering, KTH – Royal Institute of Technology, Stockholm, Sweden
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(creator_code:org_t)
- 2021-04-13
- 2021
- Engelska.
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Ingår i: International Journal on Road Materials and Pavement Design. - : Informa UK Limited. - 1468-0629 .- 2164-7402. ; 22:sup1, s. S411-S424
- Relaterad länk:
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https://kth.diva-por... (primary) (Raw object)
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Viscoelastic characterisation of asphalt mixtures is an important component for modelling and performance prediction of flexible pavements. In this study, using spherical indentation testing for measuring the viscoelastic properties of asphalt is explored. Indentation testing may provide an interesting alternative to existing experimental techniques, as it is capable of characterising small material volumes. Thus, it may become a useful tool for the characterisation of thin asphalt layers and for the measurement of binder phase properties in-situ in asphalt mixtures. Spherical indentation tests are performed on two mastic asphalt (MA) mixtures, prepared with different mastic types. The shear relaxation moduli obtained from the indentation tests are compared with the ones measured with seismic and SuperPave Indirect Tensile (IDT) tests. A new statistical analysis methodology is proposed for viscoelastic characterisation of the mastic phase with the indentation tests performed on MA mixtures. The accuracy and sensitivity of the developed method are examined.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Infrastrukturteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Infrastructure Engineering (hsv//eng)
Nyckelord
- indentation
- asphalt mixtures
- bitumen-filler mastic
- multiscale
- viscoelasticity
- Building Materials
- Byggnadsmaterial
- Byggvetenskap
- Civil and Architectural Engineering
- Engineering Mechanics
- Teknisk mekanik
- Hållfasthetslära
- Solid Mechanics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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