{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T05:24:39Z","timestamp":1788931479746,"version":"build-2803163510"},"reference-count":31,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2022,10,22]],"date-time":"2022-10-22T00:00:00Z","timestamp":1666396800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Science and Technology Innovation Program of the Department of Transportation, Yunnan Province","award":["[2020]15-1"],"award-info":[{"award-number":["[2020]15-1"]}]},{"name":"Science and Technology Innovation Program of the Department of Transportation, Yunnan Province","award":["202103AA080013"],"award-info":[{"award-number":["202103AA080013"]}]},{"name":"Science and Technology Innovation Program of the Department of Transportation, Yunnan Province","award":["2019FD004"],"award-info":[{"award-number":["2019FD004"]}]},{"name":"Science and Technology Innovation Program of the Department of Transportation, Yunnan Province","award":["2016FB099"],"award-info":[{"award-number":["2016FB099"]}]},{"name":"Key Research and Development Projects of Science and Technology Department, Yunnan Province, China","award":["[2020]15-1"],"award-info":[{"award-number":["[2020]15-1"]}]},{"name":"Key Research and Development Projects of Science and Technology Department, Yunnan Province, China","award":["202103AA080013"],"award-info":[{"award-number":["202103AA080013"]}]},{"name":"Key Research and Development Projects of Science and Technology Department, Yunnan Province, China","award":["2019FD004"],"award-info":[{"award-number":["2019FD004"]}]},{"name":"Key Research and Development Projects of Science and Technology Department, Yunnan Province, China","award":["2016FB099"],"award-info":[{"award-number":["2016FB099"]}]},{"name":"Yunnan Fundamental Research Projects","award":["[2020]15-1"],"award-info":[{"award-number":["[2020]15-1"]}]},{"name":"Yunnan Fundamental Research Projects","award":["202103AA080013"],"award-info":[{"award-number":["202103AA080013"]}]},{"name":"Yunnan Fundamental Research Projects","award":["2019FD004"],"award-info":[{"award-number":["2019FD004"]}]},{"name":"Yunnan Fundamental Research Projects","award":["2016FB099"],"award-info":[{"award-number":["2016FB099"]}]},{"name":"Applied Basic Research Foundation of Yunnan Province","award":["[2020]15-1"],"award-info":[{"award-number":["[2020]15-1"]}]},{"name":"Applied Basic Research Foundation of Yunnan Province","award":["202103AA080013"],"award-info":[{"award-number":["202103AA080013"]}]},{"name":"Applied Basic Research Foundation of Yunnan Province","award":["2019FD004"],"award-info":[{"award-number":["2019FD004"]}]},{"name":"Applied Basic Research Foundation of Yunnan Province","award":["2016FB099"],"award-info":[{"award-number":["2016FB099"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>In order to investigate the effectiveness of polymer modification and fiber reinforcement on the cracking and impact resistance of concrete materials prepared for ultra-thin whitetopping (UTW), carboxyl butyl benzene latex and polyformaldehyde fibers were added to the conventional cement concrete mix. In addition, test methods that used an asphalt mixture performance tester (AMPT) and mechanical rammer were developed to evaluate concrete cracking and impact resistance, respectively. Results from the AMPT test revealed that the cracking resistance can be enhanced with polymer and fiber, especially the initial tensile load peak, which can be improved by more than 40% when fiber and polymer compound modification is applied. Meanwhile, the impact loading test revealed that the inclusion of both fiber and polymer results in a two-fold increase in the number of impacts before visible cracking occurs, and the number of blows to failure increased by 21.4%. Moreover, microstructures were investigated by scanning electron microscopy (SEM) to confirm the reinforcing mechanism of both polymer modification and fiber reinforcement.<\/jats:p>","DOI":"10.3390\/polym14214472","type":"journal-article","created":{"date-parts":[[2022,10,24]],"date-time":"2022-10-24T08:19:06Z","timestamp":1666599546000},"page":"4472","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Experimental Investigation of Cracking and Impact Resistance of Polymer- and Fiber-Enhanced Concrete for Ultra-Thin Whitetopping"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2462-2723","authenticated-orcid":false,"given":"Liangliang","family":"Chen","sequence":"first","affiliation":[{"name":"Broadvision Engineering Consultants, No. 9, Shuangfeng Road, Guandu District, Kunming 650299, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shaopeng","family":"Zheng","sequence":"additional","affiliation":[{"name":"Broadvision Engineering Consultants, No. 9, Shuangfeng Road, Guandu District, Kunming 650299, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao","family":"Li","sequence":"additional","affiliation":[{"name":"Broadvision Engineering Consultants, No. 9, Shuangfeng Road, Guandu District, Kunming 650299, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhihao","family":"Cheng","sequence":"additional","affiliation":[{"name":"Broadvision Engineering Consultants, No. 9, Shuangfeng Road, Guandu District, Kunming 650299, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5708-5429","authenticated-orcid":false,"given":"Xiaonan","family":"Wang","sequence":"additional","affiliation":[{"name":"Harbin Institute of Technology, School of Transportation Science and Engineering, 73 Huanghe Road, Harbin 150090, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,10,22]]},"reference":[{"key":"ref_1","unstructured":"Han, C. 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