Evaluation of moisture and temperature effect on crack healing of asphalt mortar and mixtures using healing agents
•Influence of moisture and temperature on crack healing and rehealing was evaluated.•Wet cracks of long term aged asphalt materials could be healed using healing agents.•Moisture infiltration before drying of the healing agents is detrimental to healing.•Increase in temperature increased crack heali...
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| Veröffentlicht in: | Construction & building materials 2018-07, Vol.177, p.388-394 |
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| creator | Riara, Martin Tang, Ping Mo, Liantong Hong, Wei Chen, Meng Wu, Shaopeng |
| description | •Influence of moisture and temperature on crack healing and rehealing was evaluated.•Wet cracks of long term aged asphalt materials could be healed using healing agents.•Moisture infiltration before drying of the healing agents is detrimental to healing.•Increase in temperature increased crack healing in asphalt materials.•Water ingress has a nominal effect on the multiple fracture-rehealing performance.
This study investigated the effect of temperature and moisture ingress on the crack healing ability of long term aged AC-13 asphalt mortar and mixtures. Base bitumen emulsion (BBE) and two maltene based cationic emulsions were applied on the cracks of fractured semi-circular samples of the asphalt mortar and mixtures to promote healing. Test results indicated that wet cracks of long term aged asphalt concrete could be healed using healing agents (HAs). Moisture infiltration before drying of the HAs was found to be detrimental to crack healing but initial moisture state of the crack was less influential to the ultimate healing for selected HAs. Increase in temperature increased the extent of crack healing in dry asphalt materials while moisture at 25 °C–45 °C had a minimal effect on crack healing. Water ingress had a nominal effect on the multiple fracture-rehealing performance. Generally, carefully selected HAs applied at higher pavement temperatures have the potential to heal and reheal wet cracks of asphalt pavements provided that sufficient time is allowed for the HAs to dry. |
| doi_str_mv | 10.1016/j.conbuildmat.2018.05.020 |
| format | Article |
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This study investigated the effect of temperature and moisture ingress on the crack healing ability of long term aged AC-13 asphalt mortar and mixtures. Base bitumen emulsion (BBE) and two maltene based cationic emulsions were applied on the cracks of fractured semi-circular samples of the asphalt mortar and mixtures to promote healing. Test results indicated that wet cracks of long term aged asphalt concrete could be healed using healing agents (HAs). Moisture infiltration before drying of the HAs was found to be detrimental to crack healing but initial moisture state of the crack was less influential to the ultimate healing for selected HAs. Increase in temperature increased the extent of crack healing in dry asphalt materials while moisture at 25 °C–45 °C had a minimal effect on crack healing. Water ingress had a nominal effect on the multiple fracture-rehealing performance. Generally, carefully selected HAs applied at higher pavement temperatures have the potential to heal and reheal wet cracks of asphalt pavements provided that sufficient time is allowed for the HAs to dry.</description><identifier>ISSN: 0950-0618</identifier><identifier>EISSN: 1879-0526</identifier><identifier>DOI: 10.1016/j.conbuildmat.2018.05.020</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Analysis ; Asphalt pavements ; Chemical properties ; Crack healing ; Environmental aspects ; Healing agents ; Mechanical properties ; Moisture ; Surface active agents ; Temperature ; Temperature effects</subject><ispartof>Construction & building materials, 2018-07, Vol.177, p.388-394</ispartof><rights>2018 Elsevier Ltd</rights><rights>COPYRIGHT 2018 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c463t-a6ad0fcf9701f3aedf7d99cb632521dbfbeeac8c648a1b3a92b0625484b98ba13</citedby><cites>FETCH-LOGICAL-c463t-a6ad0fcf9701f3aedf7d99cb632521dbfbeeac8c648a1b3a92b0625484b98ba13</cites><orcidid>0000-0002-4016-4179</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.conbuildmat.2018.05.020$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids></links><search><creatorcontrib>Riara, Martin</creatorcontrib><creatorcontrib>Tang, Ping</creatorcontrib><creatorcontrib>Mo, Liantong</creatorcontrib><creatorcontrib>Hong, Wei</creatorcontrib><creatorcontrib>Chen, Meng</creatorcontrib><creatorcontrib>Wu, Shaopeng</creatorcontrib><title>Evaluation of moisture and temperature effect on crack healing of asphalt mortar and mixtures using healing agents</title><title>Construction & building materials</title><description>•Influence of moisture and temperature on crack healing and rehealing was evaluated.•Wet cracks of long term aged asphalt materials could be healed using healing agents.•Moisture infiltration before drying of the healing agents is detrimental to healing.•Increase in temperature increased crack healing in asphalt materials.•Water ingress has a nominal effect on the multiple fracture-rehealing performance.
This study investigated the effect of temperature and moisture ingress on the crack healing ability of long term aged AC-13 asphalt mortar and mixtures. Base bitumen emulsion (BBE) and two maltene based cationic emulsions were applied on the cracks of fractured semi-circular samples of the asphalt mortar and mixtures to promote healing. Test results indicated that wet cracks of long term aged asphalt concrete could be healed using healing agents (HAs). Moisture infiltration before drying of the HAs was found to be detrimental to crack healing but initial moisture state of the crack was less influential to the ultimate healing for selected HAs. Increase in temperature increased the extent of crack healing in dry asphalt materials while moisture at 25 °C–45 °C had a minimal effect on crack healing. Water ingress had a nominal effect on the multiple fracture-rehealing performance. Generally, carefully selected HAs applied at higher pavement temperatures have the potential to heal and reheal wet cracks of asphalt pavements provided that sufficient time is allowed for the HAs to dry.</description><subject>Analysis</subject><subject>Asphalt pavements</subject><subject>Chemical properties</subject><subject>Crack healing</subject><subject>Environmental aspects</subject><subject>Healing agents</subject><subject>Mechanical properties</subject><subject>Moisture</subject><subject>Surface active agents</subject><subject>Temperature</subject><subject>Temperature effects</subject><issn>0950-0618</issn><issn>1879-0526</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><recordid>eNqNkV1rHCEUhqW00G3a_zClt52pOjvuzGVY0rQQyE16LUc9zrqdj8XjhPbf18m2kMBeFEVRnkc852Xso-CV4EJ9OVZ2nswSBjdCqiQXbcWbikv-im1Eu-tK3kj1mm141_CSK9G-Ze-IjpxzJZXcsHjzCMMCKcxTMftinAOlJWIBkysSjieM8HRG79GmIlM2gv1ZHBCGMPWrA3Q6wJCyGxPEJ3MMv1aLioVW6B8MPU6J3rM3HgbCD3_3K_bj683D_lt5d3_7fX99V9qtqlMJChz31nc7LnwN6PzOdZ01qpaNFM54gwi2tWrbgjA1dNLkmpptuzVda0DUV-zT-d0eBtRh8nPKXx8DWX3dNELlKdtMlReo_NFc-TBP6EO-fsFXF_g8HI7BXhQ-PxPM2hGkvFDoD4l6WIhe4t0Zt3Emiuj1KYYR4m8tuF4j10f9LHK9Rq55o3Pk2d2fXcxtfQwYNdmAk0UXYk5Puzn8xyt_ACqQvJY</recordid><startdate>20180720</startdate><enddate>20180720</enddate><creator>Riara, Martin</creator><creator>Tang, Ping</creator><creator>Mo, Liantong</creator><creator>Hong, Wei</creator><creator>Chen, Meng</creator><creator>Wu, Shaopeng</creator><general>Elsevier Ltd</general><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>XI7</scope><orcidid>https://orcid.org/0000-0002-4016-4179</orcidid></search><sort><creationdate>20180720</creationdate><title>Evaluation of moisture and temperature effect on crack healing of asphalt mortar and mixtures using healing agents</title><author>Riara, Martin ; Tang, Ping ; Mo, Liantong ; Hong, Wei ; Chen, Meng ; Wu, Shaopeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c463t-a6ad0fcf9701f3aedf7d99cb632521dbfbeeac8c648a1b3a92b0625484b98ba13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Analysis</topic><topic>Asphalt pavements</topic><topic>Chemical properties</topic><topic>Crack healing</topic><topic>Environmental aspects</topic><topic>Healing agents</topic><topic>Mechanical properties</topic><topic>Moisture</topic><topic>Surface active agents</topic><topic>Temperature</topic><topic>Temperature effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Riara, Martin</creatorcontrib><creatorcontrib>Tang, Ping</creatorcontrib><creatorcontrib>Mo, Liantong</creatorcontrib><creatorcontrib>Hong, Wei</creatorcontrib><creatorcontrib>Chen, Meng</creatorcontrib><creatorcontrib>Wu, Shaopeng</creatorcontrib><collection>CrossRef</collection><collection>Gale Business: Insights</collection><collection>Business Insights: Essentials</collection><jtitle>Construction & building materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Riara, Martin</au><au>Tang, Ping</au><au>Mo, Liantong</au><au>Hong, Wei</au><au>Chen, Meng</au><au>Wu, Shaopeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of moisture and temperature effect on crack healing of asphalt mortar and mixtures using healing agents</atitle><jtitle>Construction & building materials</jtitle><date>2018-07-20</date><risdate>2018</risdate><volume>177</volume><spage>388</spage><epage>394</epage><pages>388-394</pages><issn>0950-0618</issn><eissn>1879-0526</eissn><abstract>•Influence of moisture and temperature on crack healing and rehealing was evaluated.•Wet cracks of long term aged asphalt materials could be healed using healing agents.•Moisture infiltration before drying of the healing agents is detrimental to healing.•Increase in temperature increased crack healing in asphalt materials.•Water ingress has a nominal effect on the multiple fracture-rehealing performance.
This study investigated the effect of temperature and moisture ingress on the crack healing ability of long term aged AC-13 asphalt mortar and mixtures. Base bitumen emulsion (BBE) and two maltene based cationic emulsions were applied on the cracks of fractured semi-circular samples of the asphalt mortar and mixtures to promote healing. Test results indicated that wet cracks of long term aged asphalt concrete could be healed using healing agents (HAs). Moisture infiltration before drying of the HAs was found to be detrimental to crack healing but initial moisture state of the crack was less influential to the ultimate healing for selected HAs. Increase in temperature increased the extent of crack healing in dry asphalt materials while moisture at 25 °C–45 °C had a minimal effect on crack healing. Water ingress had a nominal effect on the multiple fracture-rehealing performance. Generally, carefully selected HAs applied at higher pavement temperatures have the potential to heal and reheal wet cracks of asphalt pavements provided that sufficient time is allowed for the HAs to dry.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.conbuildmat.2018.05.020</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-4016-4179</orcidid></addata></record> |
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| ispartof | Construction & building materials, 2018-07, Vol.177, p.388-394 |
| issn | 0950-0618 1879-0526 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Analysis Asphalt pavements Chemical properties Crack healing Environmental aspects Healing agents Mechanical properties Moisture Surface active agents Temperature Temperature effects |
| title | Evaluation of moisture and temperature effect on crack healing of asphalt mortar and mixtures using healing agents |
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