{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T05:36:20Z","timestamp":1773812180569,"version":"3.50.1"},"reference-count":32,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2022,5,24]],"date-time":"2022-05-24T00:00:00Z","timestamp":1653350400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["42077448"],"award-info":[{"award-number":["42077448"]}]},{"name":"National Natural Science Foundation of China","award":["41877530"],"award-info":[{"award-number":["41877530"]}]},{"name":"National Natural Science Foundation of China","award":["2018459"],"award-info":[{"award-number":["2018459"]}]},{"name":"National Natural Science Foundation of China","award":["2021EEDSCXQDFZ013"],"award-info":[{"award-number":["2021EEDSCXQDFZ013"]}]},{"DOI":"10.13039\/501100004739","name":"Youth Innovation Promotion Association CAS","doi-asserted-by":"publisher","award":["42077448"],"award-info":[{"award-number":["42077448"]}],"id":[{"id":"10.13039\/501100004739","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004739","name":"Youth Innovation Promotion Association CAS","doi-asserted-by":"publisher","award":["41877530"],"award-info":[{"award-number":["41877530"]}],"id":[{"id":"10.13039\/501100004739","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004739","name":"Youth Innovation Promotion Association CAS","doi-asserted-by":"publisher","award":["2018459"],"award-info":[{"award-number":["2018459"]}],"id":[{"id":"10.13039\/501100004739","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004739","name":"Youth Innovation Promotion Association CAS","doi-asserted-by":"publisher","award":["2021EEDSCXQDFZ013"],"award-info":[{"award-number":["2021EEDSCXQDFZ013"]}],"id":[{"id":"10.13039\/501100004739","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Ordos Science &amp; Technology Plan","award":["42077448"],"award-info":[{"award-number":["42077448"]}]},{"name":"Ordos Science &amp; Technology Plan","award":["41877530"],"award-info":[{"award-number":["41877530"]}]},{"name":"Ordos Science &amp; Technology Plan","award":["2018459"],"award-info":[{"award-number":["2018459"]}]},{"name":"Ordos Science &amp; Technology Plan","award":["2021EEDSCXQDFZ013"],"award-info":[{"award-number":["2021EEDSCXQDFZ013"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Bridges and subgrades are the main route forms for expressways. The ideal form for passing through sandy areas remains unclear. This study aims to understand the differences in the influence of expressway bridges and subgrades on the near-surface blown sand environment and movement laws, such as the difference in wind speed and profile around the bridge and subgrade, the difference in wind flow-field characteristics, and the difference in sand transport rate, to provide a scientific basis for the selection of expressway route forms in sandy areas. Therefore, a wind tunnel test was carried out by making models of a highway bridge and subgrade and comparing the environmental effects of wind sand on them. The disturbance in the bridge to near-surface blown sand activities was less than that of the subgrade. The variation ranges of the wind speed of the bridge and its upwind and downwind directions were lower than those of the subgrade. However, the required distance to recover the wind speed downwind of the bridge was greater than that of the subgrade, resulting in the sand transport rate of the bridge being lower than that of the subgrade. The variation in the wind field of the subgrade was more drastic than that of the bridge, but the required distance to recover the wind field downwind of the bridge was greater than that of the subgrade. In the wind speed-weakening area upwind, the wind speed-weakening range and intensity of the bridge were smaller than those of the subgrade. In the wind speed-increasing area on the top of the model, the wind speed-increasing range and intensity of the bridge were smaller than those of the subgrade. In the wind-speed-weakening area downwind, the wind speed weakening range of the bridge was greater than that of the subgrade, and the wind speed-weakening intensity was smaller than that of the subgrade. This investigation has theoretical and practical significance for the selection of expressway route forms in sandy areas.<\/jats:p>","DOI":"10.3390\/s22113988","type":"journal-article","created":{"date-parts":[[2022,5,25]],"date-time":"2022-05-25T00:14:14Z","timestamp":1653437654000},"page":"3988","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Characteristic Differences of Wind-Blown Sand Flow Field of Expressway Bridge and Subgrade and Their Implications on Expressway Design"],"prefix":"10.3390","volume":"22","author":[{"given":"Shengbo","family":"Xie","sequence":"first","affiliation":[{"name":"Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China"}]},{"given":"Xian","family":"Zhang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China"},{"name":"University of Chinese Academy of Sciences, Beijing 100049, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3399-4115","authenticated-orcid":false,"given":"Yingjun","family":"Pang","sequence":"additional","affiliation":[{"name":"Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,5,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"328","DOI":"10.1029\/2019GH000212","article-title":"Characterizing the role of wind and dust in traffic accidents in California","volume":"3","author":"Bhattachan","year":"2019","journal-title":"GeoHealth"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1023","DOI":"10.1016\/j.scitotenv.2017.10.124","article-title":"Blowing dust and highway safety in the southwestern United States: Characteristics of dust emission \u201chotspots\u201d and management implications","volume":"621","author":"Li","year":"2018","journal-title":"Sci. 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