Mechanical Properties of Cold Mix Asphalt (CMA) Mixed with Recycled Asphalt Pavement
From the perspective of sustainability and environmental concerns, the use of cold-mix asphalt (CMA) and recycled asphalt pavement (RAP) is more advantageous than the use of hot mix asphalt (HMA) and warm mix asphalt (WMA). Some researchers used a mixture of CMA and RAP to improve the mechanical pro...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-03-01
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| Series: | Infrastructures |
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| Online Access: | https://www.mdpi.com/2412-3811/7/4/45 |
| _version_ | 1797410680762007552 |
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| author | Amin Chegenizadeh Anthony Tufilli Indah Sekar Arumdani Mochamad Arief Budihardjo Ethan Dadras Hamid Nikraz |
| author_facet | Amin Chegenizadeh Anthony Tufilli Indah Sekar Arumdani Mochamad Arief Budihardjo Ethan Dadras Hamid Nikraz |
| author_sort | Amin Chegenizadeh |
| collection | DOAJ |
| description | From the perspective of sustainability and environmental concerns, the use of cold-mix asphalt (CMA) and recycled asphalt pavement (RAP) is more advantageous than the use of hot mix asphalt (HMA) and warm mix asphalt (WMA). Some researchers used a mixture of CMA and RAP to improve the mechanical properties of pavement and made it more economical. However, only a few studies have focused on using a high content of RAP—particularly 100% RAP—as the virgin aggregate. Therefore, this study aims to analyse cold-mix asphalt (CMA) using 100% recycled asphalt pavement (RAP) instead of virgin aggregate raw materials and to determine the best mixture for the production of environmentally friendly asphalt. It is necessary to investigate the performance of CMA mixed with RAP in terms of the resilient modulus, indirect tensile strength, fatigue and rutting resistance. In this study, the percentage of bitumen emulsions added is 2%, 2.5%, 3%, 3.5%, and 4%, along with 100% RAP material. The results indicate that the fatigue life of the RAP mixture increased by 49.34% with the addition of bitumen emulsion (BE) from 2% to 4%, while the wheel tracking test experienced a decrease in rutting depth along with an increase in BE dose of 4%, which was 9 mm. The mixture containing 4% asphalt emulsion has the best performance. The results suggested that increasing the BE dosage increases the resistance against rutting and fatigue. |
| first_indexed | 2024-03-09T04:33:47Z |
| format | Article |
| id | doaj.art-3ff901da40fe48139769f16370e2e78a |
| institution | Directory Open Access Journal |
| issn | 2412-3811 |
| language | English |
| last_indexed | 2024-03-09T04:33:47Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Infrastructures |
| spelling | doaj.art-3ff901da40fe48139769f16370e2e78a2023-12-03T13:31:25ZengMDPI AGInfrastructures2412-38112022-03-01744510.3390/infrastructures7040045Mechanical Properties of Cold Mix Asphalt (CMA) Mixed with Recycled Asphalt PavementAmin Chegenizadeh0Anthony Tufilli1Indah Sekar Arumdani2Mochamad Arief Budihardjo3Ethan Dadras4Hamid Nikraz5Department of Civil Engineering, Curtin University of Technology, Kent Street, Bentley, Perth 6102, AustraliaDepartment of Civil Engineering, Curtin University of Technology, Kent Street, Bentley, Perth 6102, AustraliaDepartment of Environmental Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang 50275, IndonesiaDepartment of Environmental Engineering, Faculty of Engineering, Universitas Diponegoro, Semarang 50275, IndonesiaDepartment of Civil Engineering, Curtin University of Technology, Kent Street, Bentley, Perth 6102, AustraliaDepartment of Civil Engineering, Curtin University of Technology, Kent Street, Bentley, Perth 6102, AustraliaFrom the perspective of sustainability and environmental concerns, the use of cold-mix asphalt (CMA) and recycled asphalt pavement (RAP) is more advantageous than the use of hot mix asphalt (HMA) and warm mix asphalt (WMA). Some researchers used a mixture of CMA and RAP to improve the mechanical properties of pavement and made it more economical. However, only a few studies have focused on using a high content of RAP—particularly 100% RAP—as the virgin aggregate. Therefore, this study aims to analyse cold-mix asphalt (CMA) using 100% recycled asphalt pavement (RAP) instead of virgin aggregate raw materials and to determine the best mixture for the production of environmentally friendly asphalt. It is necessary to investigate the performance of CMA mixed with RAP in terms of the resilient modulus, indirect tensile strength, fatigue and rutting resistance. In this study, the percentage of bitumen emulsions added is 2%, 2.5%, 3%, 3.5%, and 4%, along with 100% RAP material. The results indicate that the fatigue life of the RAP mixture increased by 49.34% with the addition of bitumen emulsion (BE) from 2% to 4%, while the wheel tracking test experienced a decrease in rutting depth along with an increase in BE dose of 4%, which was 9 mm. The mixture containing 4% asphalt emulsion has the best performance. The results suggested that increasing the BE dosage increases the resistance against rutting and fatigue.https://www.mdpi.com/2412-3811/7/4/45cold-mix asphaltreclaimed asphalt pavement materialindirect tensile strength |
| spellingShingle | Amin Chegenizadeh Anthony Tufilli Indah Sekar Arumdani Mochamad Arief Budihardjo Ethan Dadras Hamid Nikraz Mechanical Properties of Cold Mix Asphalt (CMA) Mixed with Recycled Asphalt Pavement Infrastructures cold-mix asphalt reclaimed asphalt pavement material indirect tensile strength |
| title | Mechanical Properties of Cold Mix Asphalt (CMA) Mixed with Recycled Asphalt Pavement |
| title_full | Mechanical Properties of Cold Mix Asphalt (CMA) Mixed with Recycled Asphalt Pavement |
| title_fullStr | Mechanical Properties of Cold Mix Asphalt (CMA) Mixed with Recycled Asphalt Pavement |
| title_full_unstemmed | Mechanical Properties of Cold Mix Asphalt (CMA) Mixed with Recycled Asphalt Pavement |
| title_short | Mechanical Properties of Cold Mix Asphalt (CMA) Mixed with Recycled Asphalt Pavement |
| title_sort | mechanical properties of cold mix asphalt cma mixed with recycled asphalt pavement |
| topic | cold-mix asphalt reclaimed asphalt pavement material indirect tensile strength |
| url | https://www.mdpi.com/2412-3811/7/4/45 |
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