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Polyester Fiber Reinforcement Effects on Cement-Stabilized Reclaimed Asphalt Pavement Base: Mechanical and Durability Characterization.

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Title: Polyester Fiber Reinforcement Effects on Cement-Stabilized Reclaimed Asphalt Pavement Base: Mechanical and Durability Characterization.
Authors: Chhabra, Rishi Singh1 (AUTHOR) rsinghchhbara@ce.iitr.ac.in, Chandrasekhar, Chintada1 (AUTHOR) c_chandrasekhar@ce.iitr.ac.in, R. N., G. D. Ransinchung2 (AUTHOR) g.n@ce.iitr.ac.in
Source: Journal of Materials in Civil Engineering. Jun2026, Vol. 38 Issue 6, p1-11. 11p.
Subjects: Polyester fibers, Compressive strength, Strength of materials, Durability, Asphalt pavement recycling, Pavement design & construction
Abstract: This study explored the utilization of reclaimed asphalt pavement (RAP) material in cement-treated base (CTB) layers and investigated the synergistic effects of incorporating fibers. The research aimed to develop a sustainable and cost-effective solution for material scarcity by leveraging on-site processing using the RAP-CTB mix design. The focus was on enhancing the mechanical performance, durability, and structural reliability of CTB mixtures. Laboratory experiments were conducted in accordance with the standard specifications to evaluate the influence of RAP content and fiber reinforcement on CTB properties. The study systematically determined the optimal mix design based on the unconfined compressive strength (UCS) of 7-day-cured samples. In addition, the compressive performance was assessed at 3, 7, and 28 days to determine strength development trends with curing age of all the prepared mixes. Additionally, flexural strength tests were conducted to investigate the mixture's ability to withstand bending stresses. Durability was assessed using wetting–drying and freezing–thawing cycles to simulate harsh environmental conditions. The findings indicate that a mixture containing 70% RAP, 4% cement, and 1% fiber exhibited superior strength and durability, meeting the required specifications. The fibers contributed as a secondary reinforcement in the matrix and significantly improved resistance to cracking and moisture-related distress, making it a promising construction material for CTB layers. In conclusion, this study demonstrated the feasibility of using RAP and fibers in sustainable pavement construction, offering both environmental and economic benefits. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials in Civil Engineering is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 193068791
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
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  Data: Polyester Fiber Reinforcement Effects on Cement-Stabilized Reclaimed Asphalt Pavement Base: Mechanical and Durability Characterization.
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  Data: <searchLink fieldCode="AR" term="%22Chhabra%2C+Rishi+Singh%22">Chhabra, Rishi Singh</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rsinghchhbara@ce.iitr.ac.in</i><br /><searchLink fieldCode="AR" term="%22Chandrasekhar%2C+Chintada%22">Chandrasekhar, Chintada</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> c_chandrasekhar@ce.iitr.ac.in</i><br /><searchLink fieldCode="AR" term="%22R%2E+N%2E%2C+G%2E+D%2E+Ransinchung%22">R. N., G. D. Ransinchung</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> g.n@ce.iitr.ac.in</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+in+Civil+Engineering%22">Journal of Materials in Civil Engineering</searchLink>. Jun2026, Vol. 38 Issue 6, p1-11. 11p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Polyester+fibers%22">Polyester fibers</searchLink><br /><searchLink fieldCode="DE" term="%22Compressive+strength%22">Compressive strength</searchLink><br /><searchLink fieldCode="DE" term="%22Strength+of+materials%22">Strength of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Durability%22">Durability</searchLink><br /><searchLink fieldCode="DE" term="%22Asphalt+pavement+recycling%22">Asphalt pavement recycling</searchLink><br /><searchLink fieldCode="DE" term="%22Pavement+design+%26+construction%22">Pavement design & construction</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study explored the utilization of reclaimed asphalt pavement (RAP) material in cement-treated base (CTB) layers and investigated the synergistic effects of incorporating fibers. The research aimed to develop a sustainable and cost-effective solution for material scarcity by leveraging on-site processing using the RAP-CTB mix design. The focus was on enhancing the mechanical performance, durability, and structural reliability of CTB mixtures. Laboratory experiments were conducted in accordance with the standard specifications to evaluate the influence of RAP content and fiber reinforcement on CTB properties. The study systematically determined the optimal mix design based on the unconfined compressive strength (UCS) of 7-day-cured samples. In addition, the compressive performance was assessed at 3, 7, and 28 days to determine strength development trends with curing age of all the prepared mixes. Additionally, flexural strength tests were conducted to investigate the mixture's ability to withstand bending stresses. Durability was assessed using wetting–drying and freezing–thawing cycles to simulate harsh environmental conditions. The findings indicate that a mixture containing 70% RAP, 4% cement, and 1% fiber exhibited superior strength and durability, meeting the required specifications. The fibers contributed as a secondary reinforcement in the matrix and significantly improved resistance to cracking and moisture-related distress, making it a promising construction material for CTB layers. In conclusion, this study demonstrated the feasibility of using RAP and fibers in sustainable pavement construction, offering both environmental and economic benefits. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials in Civil Engineering is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1061/JMCEE7.MTENG-21225
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 1
    Subjects:
      – SubjectFull: Polyester fibers
        Type: general
      – SubjectFull: Compressive strength
        Type: general
      – SubjectFull: Strength of materials
        Type: general
      – SubjectFull: Durability
        Type: general
      – SubjectFull: Asphalt pavement recycling
        Type: general
      – SubjectFull: Pavement design & construction
        Type: general
    Titles:
      – TitleFull: Polyester Fiber Reinforcement Effects on Cement-Stabilized Reclaimed Asphalt Pavement Base: Mechanical and Durability Characterization.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Chhabra, Rishi Singh
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          Name:
            NameFull: Chandrasekhar, Chintada
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          Name:
            NameFull: R. N., G. D. Ransinchung
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 38
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            – TitleFull: Journal of Materials in Civil Engineering
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