{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T01:37:37Z","timestamp":1760060257737,"version":"build-2065373602"},"reference-count":84,"publisher":"MDPI AG","issue":"16","license":[{"start":{"date-parts":[[2025,8,10]],"date-time":"2025-08-10T00:00:00Z","timestamp":1754784000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"R&amp;D Units ISISE","doi-asserted-by":"publisher","award":["UIDB\/04029\/2020","10.54499\/UIDB\/00102\/2020","10.54499\/UIDP\/00102\/2020","LA\/P\/0112\/2020"],"award-info":[{"award-number":["UIDB\/04029\/2020","10.54499\/UIDB\/00102\/2020","10.54499\/UIDP\/00102\/2020","LA\/P\/0112\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"CERES","doi-asserted-by":"publisher","award":["UIDB\/04029\/2020","10.54499\/UIDB\/00102\/2020","10.54499\/UIDP\/00102\/2020","LA\/P\/0112\/2020"],"award-info":[{"award-number":["UIDB\/04029\/2020","10.54499\/UIDB\/00102\/2020","10.54499\/UIDP\/00102\/2020","LA\/P\/0112\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"name":"ARISE","award":["UIDB\/04029\/2020","10.54499\/UIDB\/00102\/2020","10.54499\/UIDP\/00102\/2020","LA\/P\/0112\/2020"],"award-info":[{"award-number":["UIDB\/04029\/2020","10.54499\/UIDB\/00102\/2020","10.54499\/UIDP\/00102\/2020","LA\/P\/0112\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Applied Sciences"],"abstract":"<jats:p>The present work aims to study the effect of cyclic loading on the tensile behavior of a chemically stabilized sandy soil, whether or not reinforced with polypropylene or sisal fibers. To this end, a series of splitting tensile strength tests were carried out by varying the frequency of the cyclic loading. During cyclic loading a substantial decrease in accumulated plastic axial displacement was observed with rising frequency when fibers were incorporated. On average, the reduction was 28% for polypropylene fibers and 14% for sisal fibers. For the polypropylene fibers, this effect is more pronounced because of a greater number of randomly distributed fibers, creating a strong and dense interlocking network. Regarding the load-displacement characteristics, fiber inclusion leads to a more ductile tensile response, which is identified by a secondary peak strength and residual strength. The cyclic loading frequency does not show a distinct trend concerning the post-cyclic tensile strength behavior; this behavior is dependent on the mechanical properties of materials (cemented matrix and fibers). Nevertheless, the cyclic stage resulted in an increased post-cyclic tensile strength for sisal fibers (ranging from 23% to 51%), although no clear trend was observed with respect to frequency variation. In contrast, for polypropylene fibers, the cyclic stage resulted in a more ductile tensile mechanical response, with post-cyclic tensile strength increasing from 1% to 16% as the frequency decreased.<\/jats:p>","DOI":"10.3390\/app15168825","type":"journal-article","created":{"date-parts":[[2025,8,11]],"date-time":"2025-08-11T11:02:09Z","timestamp":1754910129000},"page":"8825","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Tensile Behavior of a Fiber-Reinforced Stabilized Soil\u2014Cyclic Loading Frequency Study"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3260-8729","authenticated-orcid":false,"given":"Ant\u00f3nio A. S.","family":"Correia","sequence":"first","affiliation":[{"name":"Department of Civil Engineering, CERES, University of Coimbra, R. Lu\u00eds Reis Santos, 3030-788 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9780-9356","authenticated-orcid":false,"given":"Daniel S.","family":"Goulart","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, University of Coimbra, R. Lu\u00eds Reis Santos, 3030-788 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8515-8664","authenticated-orcid":false,"given":"Paulo J.","family":"Venda Oliveira","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, ISISE, University of Coimbra, R. Lu\u00eds Reis Santos, 3030-788 Coimbra, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2025,8,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3049","DOI":"10.1007\/s10064-020-01751-9","article-title":"Study on engineering properties of sand strengthened by mixed fibers and polyurethane organic polymer","volume":"79","author":"Liu","year":"2020","journal-title":"Bull. Eng. Geol. Environ."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1315","DOI":"10.1061\/(ASCE)MT.1943-5533.0000129","article-title":"Engineering Properties of Soils Reinforced by Short Discrete Polypropylene Fiber","volume":"22","author":"Jiang","year":"2010","journal-title":"J. Mater. Civ. Eng."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1680\/jgein.18.00037","article-title":"On the small-strain stiffness of polypropylene fibre-sand mixtures","volume":"26","author":"Li","year":"2019","journal-title":"Geosynth. 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