{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T07:23:51Z","timestamp":1777706631930,"version":"3.51.4"},"reference-count":28,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2024,3,19]],"date-time":"2024-03-19T00:00:00Z","timestamp":1710806400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Intelligent &amp; Fuzzy Systems: Applications in Engineering and Technology"],"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:p>\n                    Rock crack is one of the main factors responsible for rock failure. Uniaxial compression creep tests are performed using acoustic emission techniques, a high-sensitivity, non-radiative, non-destructive testing method to understand the influence of crack number on the precursor characteristics of short-term creep damage in the fractured rock mass. Based on the Grassberger-Procaccia (G-P) algorithm, the calculation step size for the correlation dimension value (\n                    <jats:italic>D<\/jats:italic>\n                    <jats:sub>2<\/jats:sub>\n                    ) of the acoustic emission ringing count rate is consistent with that for the acoustic emission\n                    <jats:italic>b<\/jats:italic>\n                    -value. The influence of the number of pre-cracks on the Acoustic emission precursor characteristics of red sandstone creep is analyzed. The results show that near the destabilization of the specimen, the Acoustic emission accumulative ringing count surges in a stepwise manner, the Acoustic emission\n                    <jats:italic>b<\/jats:italic>\n                    -value decreases, the\n                    <jats:italic>D<\/jats:italic>\n                    <jats:sub>2<\/jats:sub>\n                    -value increases, the Acoustic emission amplitude shows high intensity and high frequency, and the ringing count increases sharply, all with the characteristics of failure precursors. During the accelerated creep stage of the specimens, with the increase of pre-cracks number, the precursory time points of acoustic emission\n                    <jats:italic>b<\/jats:italic>\n                    -value and\n                    <jats:italic>D<\/jats:italic>\n                    <jats:sub>2<\/jats:sub>\n                    -value advance, and their acoustic emission ringing counts increase sharply.\n                  <\/jats:p>","DOI":"10.3233\/jifs-238964","type":"journal-article","created":{"date-parts":[[2024,3,19]],"date-time":"2024-03-19T11:54:38Z","timestamp":1710849278000},"page":"402-417","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Investigation of the influence of pre-crack number on acoustic emission characterization of red-sandstone short-term creep damage and failure precursors"],"prefix":"10.1177","volume":"49","author":[{"given":"Tao","family":"Li","sequence":"first","affiliation":[{"name":"Inner Mongolia Research Institute, China University of Mining &amp; Technology (Beijing), Ordos, China"},{"name":"School of Mechanics and Civil Engineering, China University of Mining &amp; Technology (Beijing), Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhongyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Mechanics and Civil Engineering, China University of Mining &amp; Technology (Beijing), Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhigang","family":"Tao","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Tunnel Engineering, China University of Mining &amp; Technology (Beijing), Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinyu","family":"Jia","sequence":"additional","affiliation":[{"name":"School of Mechanics and Civil Engineering, China University of Mining &amp; Technology (Beijing), Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaolong","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Mechanics and Civil Engineering, China University of Mining &amp; Technology (Beijing), Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jian","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Mechanics and Civil Engineering, China University of Mining &amp; Technology (Beijing), Beijing, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2024,3,19]]},"reference":[{"key":"e_1_3_2_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00603-018-1661-4"},{"key":"e_1_3_2_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00603-015-0757-3"},{"key":"e_1_3_2_4_1","doi-asserted-by":"publisher","DOI":"10.1061\/(ASCE)GM.1943-5622.0002231"},{"key":"e_1_3_2_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12517-014-1456-1"},{"key":"e_1_3_2_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.rinp.2017.08.025"},{"key":"e_1_3_2_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00603-018-1402-8"},{"key":"e_1_3_2_8_1","doi-asserted-by":"publisher","DOI":"10.3390\/en13040809"},{"key":"e_1_3_2_9_1","article-title":"Experimental investigation on time-frequency evolution characteristics of electromagnetic radiation below ulf reflecting the damage performance of coal or rock materials","volume":"29","author":"Yang W.","year":"2021","unstructured":"YangW.LiX.XuR.LiC.WangY.LiuY., Experimental investigation on time-frequency evolution characteristics of electromagnetic radiation below ulf reflecting the damage performance of coal or rock materials, Structural Control and Health Monitoring29 (2021),online.","journal-title":"Structural Control and Health Monitoring"},{"key":"e_1_3_2_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/s42461-021-00415-w"},{"key":"e_1_3_2_11_1","doi-asserted-by":"publisher","DOI":"10.1038\/350039a0"},{"key":"e_1_3_2_12_1","first-page":"10304","article-title":"Observations of premonitory acoustic emission and slip nucleation during a stick slip experiment in smooth faulted Westerly granite","volume":"10","author":"Ben D.","year":"2005","unstructured":"BenD.ThompsonR.,Paul YoungLocknerD.A., Observations of premonitory acoustic emission and slip nucleation during a stick slip experiment in smooth faulted Westerly granite, Geophysical Research Letters10 (2005), 10304.","journal-title":"Geophysical Research Letters"},{"key":"e_1_3_2_13_1","first-page":"301","article-title":"Assessment of excavation damaged zone using a micromechanics model","volume":"20","author":"Cai M.","year":"2004","unstructured":"CaiM.KaiserP.K., Assessment of excavation damaged zone using a micromechanics model, Tunnelling and Underground Space Technology incorporating Trenchless Technology Research20 (2004), 301\u2013310.","journal-title":"Tunnelling and Underground Space Technology incorporating Trenchless Technology Research"},{"key":"e_1_3_2_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1365-1609(01)00068-5"},{"key":"e_1_3_2_15_1","unstructured":"FalmagneV.KaiserP.K.MartinC.D. 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