Study on the weakening of mechanical properties and damage constitutive model of pre-cracked cyan sandstone after freeze–thaw cycles
Water-bearing fractured rock masses are prone to geological hazards due to freeze–thaw (FT) damage, which brings adverse effects on the stability of rock engineering. In order to study the FT damage characteristics of rocks, the intact and pre-cracked cyan sandstone samples were taken as the researc...
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| Veröffentlicht in: | Environmental earth sciences 2024-10, Vol.83 (19), p.558-558, Article 558 |
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| creator | Li, Wanru Zhang, Chunyang Zhao, Ercheng Tan, Tao Ren, Qinglin Huang, Shibing |
| description | Water-bearing fractured rock masses are prone to geological hazards due to freeze–thaw (FT) damage, which brings adverse effects on the stability of rock engineering. In order to study the FT damage characteristics of rocks, the intact and pre-cracked cyan sandstone samples were taken as the research objects, with pre-crack inclination angles
β
of 0°, 45°, and 90°, respectively. The effects of FT cycle on stress–strain curve, peak strength, apparent stiffness and FT coefficient of cyan sandstone samples were studied by uniaxial compression test. Based on macroscopic damage variables, a damage constitutive model of cyan sandstone is proposed combined with strain equivalence hypothesis and Weibull distribution hypothesis. Considering that the strain equivalence hypothesis is difficult to reflect the compaction effect of microcracks, the damage constitutive equation is modified by taking the ratio of the secant modulus of the actual stress–strain curve to that of the classical Lemaitre damage constitutive curve as the correction coefficient. The application results show that the modified constitutive model can well describe the stress–strain relationship of cyan sandstone before the peak strength, which verifies the reliability of the model parameters derived from the test data, and the practicability of the damage characterization method and correction coefficient. The results can provide theoretical reference for the study of FT damage of rocks in cold regions. |
| doi_str_mv | 10.1007/s12665-024-11874-x |
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β
of 0°, 45°, and 90°, respectively. The effects of FT cycle on stress–strain curve, peak strength, apparent stiffness and FT coefficient of cyan sandstone samples were studied by uniaxial compression test. Based on macroscopic damage variables, a damage constitutive model of cyan sandstone is proposed combined with strain equivalence hypothesis and Weibull distribution hypothesis. Considering that the strain equivalence hypothesis is difficult to reflect the compaction effect of microcracks, the damage constitutive equation is modified by taking the ratio of the secant modulus of the actual stress–strain curve to that of the classical Lemaitre damage constitutive curve as the correction coefficient. The application results show that the modified constitutive model can well describe the stress–strain relationship of cyan sandstone before the peak strength, which verifies the reliability of the model parameters derived from the test data, and the practicability of the damage characterization method and correction coefficient. The results can provide theoretical reference for the study of FT damage of rocks in cold regions.</description><identifier>ISSN: 1866-6280</identifier><identifier>EISSN: 1866-6299</identifier><identifier>DOI: 10.1007/s12665-024-11874-x</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Biogeosciences ; cold ; Cold regions ; Compression ; Compressive strength ; Constitutive equations ; Constitutive models ; Constitutive relationships ; Damage ; Earth and Environmental Science ; Earth Sciences ; Environmental Science and Engineering ; equations ; Equivalence ; Freeze thaw cycles ; Geochemistry ; Geological hazards ; Geology ; Hydrology/Water Resources ; Hypotheses ; Inclination angle ; Mathematical models ; Mechanical properties ; Microcracks ; Original Article ; Parameter modification ; Rock masses ; Rocks ; Sandstone ; Sedimentary rocks ; Strain ; Stress-strain curves ; Stress-strain relations ; Stress-strain relationships ; Terrestrial Pollution ; Water damage ; Weibull distribution ; Weibull statistics</subject><ispartof>Environmental earth sciences, 2024-10, Vol.83 (19), p.558-558, Article 558</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-a256t-968dc33c54e890e9d769c3a42af2cc778ec0ad35dfea66614d4c2b2699b9235d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12665-024-11874-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12665-024-11874-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Li, Wanru</creatorcontrib><creatorcontrib>Zhang, Chunyang</creatorcontrib><creatorcontrib>Zhao, Ercheng</creatorcontrib><creatorcontrib>Tan, Tao</creatorcontrib><creatorcontrib>Ren, Qinglin</creatorcontrib><creatorcontrib>Huang, Shibing</creatorcontrib><title>Study on the weakening of mechanical properties and damage constitutive model of pre-cracked cyan sandstone after freeze–thaw cycles</title><title>Environmental earth sciences</title><addtitle>Environ Earth Sci</addtitle><description>Water-bearing fractured rock masses are prone to geological hazards due to freeze–thaw (FT) damage, which brings adverse effects on the stability of rock engineering. In order to study the FT damage characteristics of rocks, the intact and pre-cracked cyan sandstone samples were taken as the research objects, with pre-crack inclination angles
β
of 0°, 45°, and 90°, respectively. The effects of FT cycle on stress–strain curve, peak strength, apparent stiffness and FT coefficient of cyan sandstone samples were studied by uniaxial compression test. Based on macroscopic damage variables, a damage constitutive model of cyan sandstone is proposed combined with strain equivalence hypothesis and Weibull distribution hypothesis. Considering that the strain equivalence hypothesis is difficult to reflect the compaction effect of microcracks, the damage constitutive equation is modified by taking the ratio of the secant modulus of the actual stress–strain curve to that of the classical Lemaitre damage constitutive curve as the correction coefficient. The application results show that the modified constitutive model can well describe the stress–strain relationship of cyan sandstone before the peak strength, which verifies the reliability of the model parameters derived from the test data, and the practicability of the damage characterization method and correction coefficient. The results can provide theoretical reference for the study of FT damage of rocks in cold regions.</description><subject>Biogeosciences</subject><subject>cold</subject><subject>Cold regions</subject><subject>Compression</subject><subject>Compressive strength</subject><subject>Constitutive equations</subject><subject>Constitutive models</subject><subject>Constitutive relationships</subject><subject>Damage</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Environmental Science and Engineering</subject><subject>equations</subject><subject>Equivalence</subject><subject>Freeze thaw cycles</subject><subject>Geochemistry</subject><subject>Geological hazards</subject><subject>Geology</subject><subject>Hydrology/Water Resources</subject><subject>Hypotheses</subject><subject>Inclination angle</subject><subject>Mathematical models</subject><subject>Mechanical properties</subject><subject>Microcracks</subject><subject>Original Article</subject><subject>Parameter modification</subject><subject>Rock masses</subject><subject>Rocks</subject><subject>Sandstone</subject><subject>Sedimentary rocks</subject><subject>Strain</subject><subject>Stress-strain curves</subject><subject>Stress-strain relations</subject><subject>Stress-strain relationships</subject><subject>Terrestrial Pollution</subject><subject>Water damage</subject><subject>Weibull distribution</subject><subject>Weibull statistics</subject><issn>1866-6280</issn><issn>1866-6299</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kbtOHDEUhkcokYKAF0hliYZmgi8zHrtEiFwkJApIbR3sM7sDM_ZiewKbKhUvwBvyJHhZRKQUcWPL-r5f5-ivqs-MfmGUdseJcSnbmvKmZkx1Tf2wU-0yJWUtudYf3t-KfqoOUrqh5QgmNJW71eNlnt2aBE_yEsk9wi36wS9I6MmEdgl-sDCSVQwrjHnARMA74mCCBRIbfMpDnvPwC8kUHI4bbRWxthHsLTpi1-BJKkrKwSOBPmMkfUT8jc9_nvIS7gtiR0z71ccexoQHb_de9fPr2dXp9_r84tuP05PzGngrc62lclYI2zaoNEXtOqmtgIZDz63tOoWWghOt6xGklKxxjeXXXGp9rXn5FnvV0Ta3bHQ3Y8pmGpLFcQSPYU5GsFYo1smGFvTwH_QmzNGX6QpFlZKU6w3Ft5SNIaWIvVnFYYK4NoyaTTtm244p7ZjXdsxDkcRWSgX2C4x_o_9jvQC4Z5YC</recordid><startdate>20241001</startdate><enddate>20241001</enddate><creator>Li, Wanru</creator><creator>Zhang, Chunyang</creator><creator>Zhao, Ercheng</creator><creator>Tan, Tao</creator><creator>Ren, Qinglin</creator><creator>Huang, Shibing</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>SOI</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>20241001</creationdate><title>Study on the weakening of mechanical properties and damage constitutive model of pre-cracked cyan sandstone after freeze–thaw cycles</title><author>Li, Wanru ; Zhang, Chunyang ; Zhao, Ercheng ; Tan, Tao ; Ren, Qinglin ; Huang, Shibing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a256t-968dc33c54e890e9d769c3a42af2cc778ec0ad35dfea66614d4c2b2699b9235d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Biogeosciences</topic><topic>cold</topic><topic>Cold regions</topic><topic>Compression</topic><topic>Compressive strength</topic><topic>Constitutive equations</topic><topic>Constitutive models</topic><topic>Constitutive relationships</topic><topic>Damage</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Environmental Science and Engineering</topic><topic>equations</topic><topic>Equivalence</topic><topic>Freeze thaw cycles</topic><topic>Geochemistry</topic><topic>Geological hazards</topic><topic>Geology</topic><topic>Hydrology/Water Resources</topic><topic>Hypotheses</topic><topic>Inclination angle</topic><topic>Mathematical models</topic><topic>Mechanical properties</topic><topic>Microcracks</topic><topic>Original Article</topic><topic>Parameter modification</topic><topic>Rock masses</topic><topic>Rocks</topic><topic>Sandstone</topic><topic>Sedimentary rocks</topic><topic>Strain</topic><topic>Stress-strain curves</topic><topic>Stress-strain relations</topic><topic>Stress-strain relationships</topic><topic>Terrestrial Pollution</topic><topic>Water damage</topic><topic>Weibull distribution</topic><topic>Weibull statistics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Wanru</creatorcontrib><creatorcontrib>Zhang, Chunyang</creatorcontrib><creatorcontrib>Zhao, Ercheng</creatorcontrib><creatorcontrib>Tan, Tao</creatorcontrib><creatorcontrib>Ren, Qinglin</creatorcontrib><creatorcontrib>Huang, Shibing</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Environmental earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Wanru</au><au>Zhang, Chunyang</au><au>Zhao, Ercheng</au><au>Tan, Tao</au><au>Ren, Qinglin</au><au>Huang, Shibing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on the weakening of mechanical properties and damage constitutive model of pre-cracked cyan sandstone after freeze–thaw cycles</atitle><jtitle>Environmental earth sciences</jtitle><stitle>Environ Earth Sci</stitle><date>2024-10-01</date><risdate>2024</risdate><volume>83</volume><issue>19</issue><spage>558</spage><epage>558</epage><pages>558-558</pages><artnum>558</artnum><issn>1866-6280</issn><eissn>1866-6299</eissn><abstract>Water-bearing fractured rock masses are prone to geological hazards due to freeze–thaw (FT) damage, which brings adverse effects on the stability of rock engineering. In order to study the FT damage characteristics of rocks, the intact and pre-cracked cyan sandstone samples were taken as the research objects, with pre-crack inclination angles
β
of 0°, 45°, and 90°, respectively. The effects of FT cycle on stress–strain curve, peak strength, apparent stiffness and FT coefficient of cyan sandstone samples were studied by uniaxial compression test. Based on macroscopic damage variables, a damage constitutive model of cyan sandstone is proposed combined with strain equivalence hypothesis and Weibull distribution hypothesis. Considering that the strain equivalence hypothesis is difficult to reflect the compaction effect of microcracks, the damage constitutive equation is modified by taking the ratio of the secant modulus of the actual stress–strain curve to that of the classical Lemaitre damage constitutive curve as the correction coefficient. The application results show that the modified constitutive model can well describe the stress–strain relationship of cyan sandstone before the peak strength, which verifies the reliability of the model parameters derived from the test data, and the practicability of the damage characterization method and correction coefficient. The results can provide theoretical reference for the study of FT damage of rocks in cold regions.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s12665-024-11874-x</doi><tpages>1</tpages></addata></record> |
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| subjects | Biogeosciences cold Cold regions Compression Compressive strength Constitutive equations Constitutive models Constitutive relationships Damage Earth and Environmental Science Earth Sciences Environmental Science and Engineering equations Equivalence Freeze thaw cycles Geochemistry Geological hazards Geology Hydrology/Water Resources Hypotheses Inclination angle Mathematical models Mechanical properties Microcracks Original Article Parameter modification Rock masses Rocks Sandstone Sedimentary rocks Strain Stress-strain curves Stress-strain relations Stress-strain relationships Terrestrial Pollution Water damage Weibull distribution Weibull statistics |
| title | Study on the weakening of mechanical properties and damage constitutive model of pre-cracked cyan sandstone after freeze–thaw cycles |
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