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Currently, the traditional vehicle weighing method not only involves heavy equipment but also has a low weighing efficiency. To deal with the defects in the existing vehicle weighing system, this paper developed a road-embedded piezoresistive sensor based on self-sensing nanocomposites. The sensor developed in this paper adopts an integrated casting and encapsulation technology, in which an epoxy resin\/MWCNT nanocomposite is used for the functional phase, and an epoxy resin\/anhydride curing system is used for the high-temperature resistant encapsulation phase. The compressive stress-resistance response characteristics of the sensor were investigated by calibration experiments with an indoor universal testing machine. In addition, the sensors were embedded in the compacted asphalt concrete to validate the applicability to the harsh environment and back-calculate the dynamic vehicle loads on the rutting slab. The results show that the response relationship between the sensor resistance signal and the load is in accordance with the GaussAmp formula. The developed sensor not only survives effectively in asphalt concrete but also enables dynamic weighing of the vehicle loads. Consequently, this study provides a new pathway to develop high-performance weigh-in-motion pavement sensors.<\/jats:p>","DOI":"10.3390\/s23104758","type":"journal-article","created":{"date-parts":[[2023,5,16]],"date-time":"2023-05-16T02:27:04Z","timestamp":1684204024000},"page":"4758","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Novel Weigh-in-Motion Pavement Sensor Based on Self-Sensing Nanocomposites for Vehicle Load Identification: Development, Performance Testing, and Validation"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5217-8404","authenticated-orcid":false,"given":"Ming","family":"Liang","sequence":"first","affiliation":[{"name":"School of Qilu Transportation, Shandong University, Jinan 250002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yunfeng","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Qilu Transportation, Shandong University, Jinan 250002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuepeng","family":"Jiao","sequence":"additional","affiliation":[{"name":"School of Qilu Transportation, Shandong University, Jinan 250002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianjiang","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Qilu Transportation, Shandong University, Jinan 250002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Linping","family":"Su","sequence":"additional","affiliation":[{"name":"School of Qilu Transportation, Shandong University, Jinan 250002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhanyong","family":"Yao","sequence":"additional","affiliation":[{"name":"School of Qilu Transportation, Shandong University, Jinan 250002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,5,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"92","DOI":"10.1016\/j.tranpol.2022.08.011","article-title":"The role of different transportation modes in China\u2019s national economy: An input\u2013output analysis","volume":"127","author":"Zhao","year":"2022","journal-title":"Transp. 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