Pretreatment and Modification Effects of Convenient Asphalt Concrete

Cheng Tsung Lu; Ming Yan Chung

doi:doi:10.11648/j.jccee.20251002.14

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Pretreatment and Modification Effects of Convenient Asphalt Concrete

Cheng Tsung Lu

, Ming Yan Chung^*

Published in Journal of Civil, Construction and Environmental Engineering (Volume 10, Issue 2)

Received: 17 March 2025 Accepted: 24 April 2025 Published: 29 April 2025

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Abstract

The convenient asphalt mastic (CAM) is prepared by the pretreatment process of cationic rapid setting emulsified asphalt (CRS-1) with cement. The CAM is then mixed with the aggregate to produce the convenient asphalt concrete (CAC) mixture. The pretreatment is to mix sulphonated naphthalene formaldehyde condensates (SNF) with emulsified asphalt evenly. In the pretreatment process, the SNF generates a protective barrier outside the electrical double layer on the surface of the emulsified asphalt micelles, which can inhibit the demulsification of micelles and improve the stability of CRS-1 in the CAM preparation. The residual SNF in the pretreatment proceeding can also be used as a water reducing agent, which can improve the workability of CAM and provide a dosage ratio that can increase the cement content. The increase of cement content in CAM can significantly improve the mechanical properties of CAC. The results of this study show that as the SNF pretreatment dosage increases, CAM viscosity decreases, and the CAC mixture has better workability. The Marshall stability value of the CAC obtained by CRS-1 (pretreated with SNF) can reach about six times that of hot mixture asphalt (HMA) at 28 days of age. The compressive strength can reach more than three times and the 40°C resilient modulus can reach more than eight times. Clearly, the modification effect of the pretreated CAC significantly enhances the mechanical performance.

Published in	Journal of Civil, Construction and Environmental Engineering (Volume 10, Issue 2)
DOI	10.11648/j.jccee.20251002.14
Page(s)	81-89
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2025. Published by Science Publishing Group

Keywords

Cement, Emulsified Asphalt, Water Reducer, Micelle Stabilization

References

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APA Style

Lu, C. T., Chung, M. Y. (2025). Pretreatment and Modification Effects of Convenient Asphalt Concrete. Journal of Civil, Construction and Environmental Engineering, 10(2), 81-89. https://doi.org/10.11648/j.jccee.20251002.14

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ACS Style

Lu, C. T.; Chung, M. Y. Pretreatment and Modification Effects of Convenient Asphalt Concrete. J. Civ. Constr. Environ. Eng. 2025, 10(2), 81-89. doi: 10.11648/j.jccee.20251002.14

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AMA Style

Lu CT, Chung MY. Pretreatment and Modification Effects of Convenient Asphalt Concrete. J Civ Constr Environ Eng. 2025;10(2):81-89. doi: 10.11648/j.jccee.20251002.14

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@article{10.11648/j.jccee.20251002.14,
  author = {Cheng Tsung Lu and Ming Yan Chung},
  title = {Pretreatment and Modification Effects of Convenient Asphalt Concrete
},
  journal = {Journal of Civil, Construction and Environmental Engineering},
  volume = {10},
  number = {2},
  pages = {81-89},
  doi = {10.11648/j.jccee.20251002.14},
  url = {https://doi.org/10.11648/j.jccee.20251002.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jccee.20251002.14},
  abstract = {The convenient asphalt mastic (CAM) is prepared by the pretreatment process of cationic rapid setting emulsified asphalt (CRS-1) with cement. The CAM is then mixed with the aggregate to produce the convenient asphalt concrete (CAC) mixture. The pretreatment is to mix sulphonated naphthalene formaldehyde condensates (SNF) with emulsified asphalt evenly. In the pretreatment process, the SNF generates a protective barrier outside the electrical double layer on the surface of the emulsified asphalt micelles, which can inhibit the demulsification of micelles and improve the stability of CRS-1 in the CAM preparation. The residual SNF in the pretreatment proceeding can also be used as a water reducing agent, which can improve the workability of CAM and provide a dosage ratio that can increase the cement content. The increase of cement content in CAM can significantly improve the mechanical properties of CAC. The results of this study show that as the SNF pretreatment dosage increases, CAM viscosity decreases, and the CAC mixture has better workability. The Marshall stability value of the CAC obtained by CRS-1 (pretreated with SNF) can reach about six times that of hot mixture asphalt (HMA) at 28 days of age. The compressive strength can reach more than three times and the 40°C resilient modulus can reach more than eight times. Clearly, the modification effect of the pretreated CAC significantly enhances the mechanical performance.
},
 year = {2025}
}

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TY  - JOUR
T1  - Pretreatment and Modification Effects of Convenient Asphalt Concrete

AU  - Cheng Tsung Lu
AU  - Ming Yan Chung
Y1  - 2025/04/29
PY  - 2025
N1  - https://doi.org/10.11648/j.jccee.20251002.14
DO  - 10.11648/j.jccee.20251002.14
T2  - Journal of Civil, Construction and Environmental Engineering
JF  - Journal of Civil, Construction and Environmental Engineering
JO  - Journal of Civil, Construction and Environmental Engineering
SP  - 81
EP  - 89
PB  - Science Publishing Group
SN  - 2637-3890
UR  - https://doi.org/10.11648/j.jccee.20251002.14
AB  - The convenient asphalt mastic (CAM) is prepared by the pretreatment process of cationic rapid setting emulsified asphalt (CRS-1) with cement. The CAM is then mixed with the aggregate to produce the convenient asphalt concrete (CAC) mixture. The pretreatment is to mix sulphonated naphthalene formaldehyde condensates (SNF) with emulsified asphalt evenly. In the pretreatment process, the SNF generates a protective barrier outside the electrical double layer on the surface of the emulsified asphalt micelles, which can inhibit the demulsification of micelles and improve the stability of CRS-1 in the CAM preparation. The residual SNF in the pretreatment proceeding can also be used as a water reducing agent, which can improve the workability of CAM and provide a dosage ratio that can increase the cement content. The increase of cement content in CAM can significantly improve the mechanical properties of CAC. The results of this study show that as the SNF pretreatment dosage increases, CAM viscosity decreases, and the CAC mixture has better workability. The Marshall stability value of the CAC obtained by CRS-1 (pretreated with SNF) can reach about six times that of hot mixture asphalt (HMA) at 28 days of age. The compressive strength can reach more than three times and the 40°C resilient modulus can reach more than eight times. Clearly, the modification effect of the pretreated CAC significantly enhances the mechanical performance.

VL  - 10
IS  - 2
ER  -

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Author Information

Cheng Tsung Lu

School of Chemistry and Civil Engineering, Shao-Guan University, Shao-Guan City, China

http://orcid.org/0000-0002-2296-9686
Ming Yan Chung

School of Chemistry and Civil Engineering, Shao-Guan University, Shao-Guan City, China

Contact Email

http://orcid.org/0000-0002-8055-637X

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Plain Text BibTeX RIS

APA Style

Lu, C. T., Chung, M. Y. (2025). Pretreatment and Modification Effects of Convenient Asphalt Concrete. Journal of Civil, Construction and Environmental Engineering, 10(2), 81-89. https://doi.org/10.11648/j.jccee.20251002.14

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ACS Style

Lu, C. T.; Chung, M. Y. Pretreatment and Modification Effects of Convenient Asphalt Concrete. J. Civ. Constr. Environ. Eng. 2025, 10(2), 81-89. doi: 10.11648/j.jccee.20251002.14

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AMA Style

Lu CT, Chung MY. Pretreatment and Modification Effects of Convenient Asphalt Concrete. J Civ Constr Environ Eng. 2025;10(2):81-89. doi: 10.11648/j.jccee.20251002.14

Copy | Download

@article{10.11648/j.jccee.20251002.14,
  author = {Cheng Tsung Lu and Ming Yan Chung},
  title = {Pretreatment and Modification Effects of Convenient Asphalt Concrete
},
  journal = {Journal of Civil, Construction and Environmental Engineering},
  volume = {10},
  number = {2},
  pages = {81-89},
  doi = {10.11648/j.jccee.20251002.14},
  url = {https://doi.org/10.11648/j.jccee.20251002.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jccee.20251002.14},
  abstract = {The convenient asphalt mastic (CAM) is prepared by the pretreatment process of cationic rapid setting emulsified asphalt (CRS-1) with cement. The CAM is then mixed with the aggregate to produce the convenient asphalt concrete (CAC) mixture. The pretreatment is to mix sulphonated naphthalene formaldehyde condensates (SNF) with emulsified asphalt evenly. In the pretreatment process, the SNF generates a protective barrier outside the electrical double layer on the surface of the emulsified asphalt micelles, which can inhibit the demulsification of micelles and improve the stability of CRS-1 in the CAM preparation. The residual SNF in the pretreatment proceeding can also be used as a water reducing agent, which can improve the workability of CAM and provide a dosage ratio that can increase the cement content. The increase of cement content in CAM can significantly improve the mechanical properties of CAC. The results of this study show that as the SNF pretreatment dosage increases, CAM viscosity decreases, and the CAC mixture has better workability. The Marshall stability value of the CAC obtained by CRS-1 (pretreated with SNF) can reach about six times that of hot mixture asphalt (HMA) at 28 days of age. The compressive strength can reach more than three times and the 40°C resilient modulus can reach more than eight times. Clearly, the modification effect of the pretreated CAC significantly enhances the mechanical performance.
},
 year = {2025}
}

Copy | Download

TY  - JOUR
T1  - Pretreatment and Modification Effects of Convenient Asphalt Concrete

AU  - Cheng Tsung Lu
AU  - Ming Yan Chung
Y1  - 2025/04/29
PY  - 2025
N1  - https://doi.org/10.11648/j.jccee.20251002.14
DO  - 10.11648/j.jccee.20251002.14
T2  - Journal of Civil, Construction and Environmental Engineering
JF  - Journal of Civil, Construction and Environmental Engineering
JO  - Journal of Civil, Construction and Environmental Engineering
SP  - 81
EP  - 89
PB  - Science Publishing Group
SN  - 2637-3890
UR  - https://doi.org/10.11648/j.jccee.20251002.14
AB  - The convenient asphalt mastic (CAM) is prepared by the pretreatment process of cationic rapid setting emulsified asphalt (CRS-1) with cement. The CAM is then mixed with the aggregate to produce the convenient asphalt concrete (CAC) mixture. The pretreatment is to mix sulphonated naphthalene formaldehyde condensates (SNF) with emulsified asphalt evenly. In the pretreatment process, the SNF generates a protective barrier outside the electrical double layer on the surface of the emulsified asphalt micelles, which can inhibit the demulsification of micelles and improve the stability of CRS-1 in the CAM preparation. The residual SNF in the pretreatment proceeding can also be used as a water reducing agent, which can improve the workability of CAM and provide a dosage ratio that can increase the cement content. The increase of cement content in CAM can significantly improve the mechanical properties of CAC. The results of this study show that as the SNF pretreatment dosage increases, CAM viscosity decreases, and the CAC mixture has better workability. The Marshall stability value of the CAC obtained by CRS-1 (pretreated with SNF) can reach about six times that of hot mixture asphalt (HMA) at 28 days of age. The compressive strength can reach more than three times and the 40°C resilient modulus can reach more than eight times. Clearly, the modification effect of the pretreated CAC significantly enhances the mechanical performance.

VL  - 10
IS  - 2
ER  -

Copy | Download