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Project","award":["20201101009"],"award-info":[{"award-number":["20201101009"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>To unravel the permeability variation mechanism of weakly cemented rocks (WCR), the paper conducted triaxial permeability tests on weakly cemented sandstones (WCS) collected from the Jurassic formation in northwest China. The paper identified the correlation of WCS permeability versus porosity, cementation structure, and mineral composition, further developing a model to characterize the WCS stress\u2013damage\u2013permeability relationship. The research indicated that the WCS permeability was initially high due to the naturally high porosity, large pore diameter, and loose particle cementation, thus favoring a significant decline as pore convergence in the compaction stage. In the residual stage, kaolinite and montmorillonite minerals disintegrated into water and narrowed fractures, causing a slight permeability increase from the initial to the maximum and residual stages. The WCS matrix fracturing was phenomenologically accompanied by clay mineral disintegration. By assuming that the matrix can be compressed, jointed, and fractured, the paper defined a damage variable D and accordingly developed a stress\u2013damage\u2013permeability relationship model that incorporated matrix compression, jointing, and fracturing. The model can describe the WCS permeability regime regarding the high initial permeability and slight difference of the maximum and residual permeabilities versus the initial.<\/jats:p>","DOI":"10.3390\/ma16010210","type":"journal-article","created":{"date-parts":[[2022,12,27]],"date-time":"2022-12-27T03:03:31Z","timestamp":1672110211000},"page":"210","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["A Model of Stress-Damage-Permeability Relationship of Weakly Cemented Rocks under Triaxial Compressive Conditions"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3205-8595","authenticated-orcid":false,"given":"Shizhong","family":"Zhang","sequence":"first","affiliation":[{"name":"School of Mines, China University of Mining & Technology, Xuzhou 221116, China"},{"name":"School of Resources and Earth Science, China University of Mining & Technology, Xuzhou 221116, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7900-8747","authenticated-orcid":false,"given":"Gangwei","family":"Fan","sequence":"additional","affiliation":[{"name":"School of Mines, China University of Mining & Technology, Xuzhou 221116, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dongsheng","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Mines, China University of Mining & Technology, Xuzhou 221116, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenping","family":"Li","sequence":"additional","affiliation":[{"name":"School of Resources and Earth Science, China University of Mining & Technology, Xuzhou 221116, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tao","family":"Luo","sequence":"additional","affiliation":[{"name":"School of Mines, China University of Mining & Technology, Xuzhou 221116, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuaishuai","family":"Liang","sequence":"additional","affiliation":[{"name":"School of Mines, Saint Petersburg Mining University, 199106 Saint Petersburg, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3333-3923","authenticated-orcid":false,"given":"Zhanglei","family":"Fan","sequence":"additional","affiliation":[{"name":"School of Mines, China University of Mining & Technology, Xuzhou 221116, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"691","DOI":"10.1007\/s00603-021-02681-y","article-title":"Evolution of gas permeability of rock salt under different loading conditions and implications on the underground hydrogen storage in salt caverns","volume":"55","author":"Grgic","year":"2021","journal-title":"Rock Mech. 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