Cargando…

Effects of Low-Temperature Construction Additives (LCAs) on the Performance of Asphalt Mixtures

Green production of asphalt materials is very important to promote energy savings and emission reduction during the construction and maintenance of asphalt pavement. A low-temperature construction additive (LCA) made from the waste plastic and waste rubber is proposed, which belongs to a class of en...

Descripción completa

Detalles Bibliográficos
Autores principales: Li, Yuanyuan, Feng, Jianlin, Chen, Anqi, Wu, Fan, Wu, Shaopeng, Liu, Quantao, Gong, Ruifang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8781074/
https://www.ncbi.nlm.nih.gov/pubmed/35057395
http://dx.doi.org/10.3390/ma15020677
_version_ 1784638000460726272
author Li, Yuanyuan
Feng, Jianlin
Chen, Anqi
Wu, Fan
Wu, Shaopeng
Liu, Quantao
Gong, Ruifang
author_facet Li, Yuanyuan
Feng, Jianlin
Chen, Anqi
Wu, Fan
Wu, Shaopeng
Liu, Quantao
Gong, Ruifang
author_sort Li, Yuanyuan
collection PubMed
description Green production of asphalt materials is very important to promote energy savings and emission reduction during the construction and maintenance of asphalt pavement. A low-temperature construction additive (LCA) made from the waste plastic and waste rubber is proposed, which belongs to a class of environmentally friendly additives for asphalt mixtures. Marshall stability was tested to evaluate the mechanical performance of LCA-modified asphalt mixtures (LCA-AMs). In order to determine the best preparation parameters of LCA-AMs, the influence of the content and LCA addition method on the strength of LCA-AMs was studied. In addition, the impact of epoxy resin (ER) on the mixtures’ performances was evaluated. The results show that the LCA can significantly reduce the formation temperature of asphalt mixtures, and the resulting asphalt mixtures have good workability in a lower temperature range (90–110 °C). The ER should be added to the LCA-AMs after 4 h of curing. All the volumetric properties satisfy the technical requirements. The low-temperature crack resistance and fatigue resistance of LCA-AMs were obviously improved with appropriate dosages of ER, which can effectively improve the mechanical performance of the asphalt mixtures. The ER can significantly increase the rutting resistance and water sensitivity of LCA-AMs, therefore making it feasible to improve the mixture performance by the enhancement provided by a low dosage of ER.
format Online
Article
Text
id pubmed-8781074
institution National Center for Biotechnology Information
language English
publishDate 2022
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-87810742022-01-22 Effects of Low-Temperature Construction Additives (LCAs) on the Performance of Asphalt Mixtures Li, Yuanyuan Feng, Jianlin Chen, Anqi Wu, Fan Wu, Shaopeng Liu, Quantao Gong, Ruifang Materials (Basel) Article Green production of asphalt materials is very important to promote energy savings and emission reduction during the construction and maintenance of asphalt pavement. A low-temperature construction additive (LCA) made from the waste plastic and waste rubber is proposed, which belongs to a class of environmentally friendly additives for asphalt mixtures. Marshall stability was tested to evaluate the mechanical performance of LCA-modified asphalt mixtures (LCA-AMs). In order to determine the best preparation parameters of LCA-AMs, the influence of the content and LCA addition method on the strength of LCA-AMs was studied. In addition, the impact of epoxy resin (ER) on the mixtures’ performances was evaluated. The results show that the LCA can significantly reduce the formation temperature of asphalt mixtures, and the resulting asphalt mixtures have good workability in a lower temperature range (90–110 °C). The ER should be added to the LCA-AMs after 4 h of curing. All the volumetric properties satisfy the technical requirements. The low-temperature crack resistance and fatigue resistance of LCA-AMs were obviously improved with appropriate dosages of ER, which can effectively improve the mechanical performance of the asphalt mixtures. The ER can significantly increase the rutting resistance and water sensitivity of LCA-AMs, therefore making it feasible to improve the mixture performance by the enhancement provided by a low dosage of ER. MDPI 2022-01-17 /pmc/articles/PMC8781074/ /pubmed/35057395 http://dx.doi.org/10.3390/ma15020677 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Li, Yuanyuan
Feng, Jianlin
Chen, Anqi
Wu, Fan
Wu, Shaopeng
Liu, Quantao
Gong, Ruifang
Effects of Low-Temperature Construction Additives (LCAs) on the Performance of Asphalt Mixtures
title Effects of Low-Temperature Construction Additives (LCAs) on the Performance of Asphalt Mixtures
title_full Effects of Low-Temperature Construction Additives (LCAs) on the Performance of Asphalt Mixtures
title_fullStr Effects of Low-Temperature Construction Additives (LCAs) on the Performance of Asphalt Mixtures
title_full_unstemmed Effects of Low-Temperature Construction Additives (LCAs) on the Performance of Asphalt Mixtures
title_short Effects of Low-Temperature Construction Additives (LCAs) on the Performance of Asphalt Mixtures
title_sort effects of low-temperature construction additives (lcas) on the performance of asphalt mixtures
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8781074/
https://www.ncbi.nlm.nih.gov/pubmed/35057395
http://dx.doi.org/10.3390/ma15020677
work_keys_str_mv AT liyuanyuan effectsoflowtemperatureconstructionadditiveslcasontheperformanceofasphaltmixtures
AT fengjianlin effectsoflowtemperatureconstructionadditiveslcasontheperformanceofasphaltmixtures
AT chenanqi effectsoflowtemperatureconstructionadditiveslcasontheperformanceofasphaltmixtures
AT wufan effectsoflowtemperatureconstructionadditiveslcasontheperformanceofasphaltmixtures
AT wushaopeng effectsoflowtemperatureconstructionadditiveslcasontheperformanceofasphaltmixtures
AT liuquantao effectsoflowtemperatureconstructionadditiveslcasontheperformanceofasphaltmixtures
AT gongruifang effectsoflowtemperatureconstructionadditiveslcasontheperformanceofasphaltmixtures