Effect of Aramid Fibers on Balanced Mix Design of Asphalt Concrete
Fiber-reinforced asphalt concrete (FRAC) was tested using limestone, PG 64-22 binder, and 20% reclaimed asphalt pavement (RAP). After mixing fibers with different lengths and dosages, they were extracted and recovered to evaluate their dispersion in the FRAC. The uniaxial fatigue test, IDEAL CT test...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-12-01
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| Series: | CivilEng |
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| Online Access: | https://www.mdpi.com/2673-4109/3/1/2 |
| _version_ | 1797472237766311936 |
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| author | Hossein Noorvand Samuel Castro Brockman Michael Mamlouk Kamil Kaloush |
| author_facet | Hossein Noorvand Samuel Castro Brockman Michael Mamlouk Kamil Kaloush |
| author_sort | Hossein Noorvand |
| collection | DOAJ |
| description | Fiber-reinforced asphalt concrete (FRAC) was tested using limestone, PG 64-22 binder, and 20% reclaimed asphalt pavement (RAP). After mixing fibers with different lengths and dosages, they were extracted and recovered to evaluate their dispersion in the FRAC. The uniaxial fatigue test, IDEAL CT test, and flow number test were performed on FRAC with different fiber lengths and asphalt contents. The balanced mix design (BMD) approach was then used to analyze the uniaxial and flow number test results in order to evaluate the effect of aramid fibers on fatigue and rutting resistance of the pavement. The dispersion test showed that the 19 mm and 10 mm aramid fibers at a dosage rate of 0.5 g/kg provided the best dispersion. The 19 mm fibers showed better performance test results than the 10 mm and 38 mm fibers. The BMD approach provided ranges of asphalt contents to produce mixes with certain resistances to fatigue and rutting. The BMD approach also demonstrated the effect of fibers with different lengths on increasing the resistance to fatigue and rutting. The study concluded that the 19 mm fibers with a dosage of 0.5 g/kg produce best results. The BMD approach is a good tool that can be used to refine the mix ingredients, including additives such as fibers, in order to optimize pavement resistance to various distresses such as fatigue cracking and rutting. |
| first_indexed | 2024-03-09T19:59:15Z |
| format | Article |
| id | doaj.art-ab3bd7438a084e2bb40dd74b061cbf4d |
| institution | Directory Open Access Journal |
| issn | 2673-4109 |
| language | English |
| last_indexed | 2024-03-09T19:59:15Z |
| publishDate | 2021-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | CivilEng |
| spelling | doaj.art-ab3bd7438a084e2bb40dd74b061cbf4d2023-11-24T00:48:37ZengMDPI AGCivilEng2673-41092021-12-0131213410.3390/civileng3010002Effect of Aramid Fibers on Balanced Mix Design of Asphalt ConcreteHossein Noorvand0Samuel Castro Brockman1Michael Mamlouk2Kamil Kaloush3School of Sustainable Engineering and the Built Environment, Arizona State University, P.O. Box 873005, Tempe, AZ 85287-3005, USASchool of Sustainable Engineering and the Built Environment, Arizona State University, P.O. Box 873005, Tempe, AZ 85287-3005, USASchool of Sustainable Engineering and the Built Environment, Arizona State University, P.O. Box 873005, Tempe, AZ 85287-3005, USASchool of Sustainable Engineering and the Built Environment, Arizona State University, P.O. Box 873005, Tempe, AZ 85287-3005, USAFiber-reinforced asphalt concrete (FRAC) was tested using limestone, PG 64-22 binder, and 20% reclaimed asphalt pavement (RAP). After mixing fibers with different lengths and dosages, they were extracted and recovered to evaluate their dispersion in the FRAC. The uniaxial fatigue test, IDEAL CT test, and flow number test were performed on FRAC with different fiber lengths and asphalt contents. The balanced mix design (BMD) approach was then used to analyze the uniaxial and flow number test results in order to evaluate the effect of aramid fibers on fatigue and rutting resistance of the pavement. The dispersion test showed that the 19 mm and 10 mm aramid fibers at a dosage rate of 0.5 g/kg provided the best dispersion. The 19 mm fibers showed better performance test results than the 10 mm and 38 mm fibers. The BMD approach provided ranges of asphalt contents to produce mixes with certain resistances to fatigue and rutting. The BMD approach also demonstrated the effect of fibers with different lengths on increasing the resistance to fatigue and rutting. The study concluded that the 19 mm fibers with a dosage of 0.5 g/kg produce best results. The BMD approach is a good tool that can be used to refine the mix ingredients, including additives such as fibers, in order to optimize pavement resistance to various distresses such as fatigue cracking and rutting.https://www.mdpi.com/2673-4109/3/1/2asphalt concretebalanced mix designfibersfiber reinforced asphalt concretefiber lengthfiber dosage |
| spellingShingle | Hossein Noorvand Samuel Castro Brockman Michael Mamlouk Kamil Kaloush Effect of Aramid Fibers on Balanced Mix Design of Asphalt Concrete CivilEng asphalt concrete balanced mix design fibers fiber reinforced asphalt concrete fiber length fiber dosage |
| title | Effect of Aramid Fibers on Balanced Mix Design of Asphalt Concrete |
| title_full | Effect of Aramid Fibers on Balanced Mix Design of Asphalt Concrete |
| title_fullStr | Effect of Aramid Fibers on Balanced Mix Design of Asphalt Concrete |
| title_full_unstemmed | Effect of Aramid Fibers on Balanced Mix Design of Asphalt Concrete |
| title_short | Effect of Aramid Fibers on Balanced Mix Design of Asphalt Concrete |
| title_sort | effect of aramid fibers on balanced mix design of asphalt concrete |
| topic | asphalt concrete balanced mix design fibers fiber reinforced asphalt concrete fiber length fiber dosage |
| url | https://www.mdpi.com/2673-4109/3/1/2 |
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