Study on the dynamic pore water pressure model of centerline tailings sand based on dynamic triaxial tests
The increase of pore water pressure under a dynamic load is an important reason for the vibration liquefaction of saturated sand. Therefore, studying the dynamic pore water pressure model of tailings sand plays an important role in the seismic liquefaction analysis of tailings ponds. In this paper,...
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| Veröffentlicht in: | Geomechanics and geophysics for geo-energy and geo-resources. 2023-12, Vol.9 (1), Article 79 |
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| container_title | Geomechanics and geophysics for geo-energy and geo-resources. |
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| creator | Huang, Xin Cai, Xiaoguang Yang, Pan Zheng, Xuexin Zhang, Shaoqiu Bo, Jingshan |
| description | The increase of pore water pressure under a dynamic load is an important reason for the vibration liquefaction of saturated sand. Therefore, studying the dynamic pore water pressure model of tailings sand plays an important role in the seismic liquefaction analysis of tailings ponds. In this paper, the dynamic pore water pressure development characteristics of tailings fine sand and tailings silt in a tailings pond with the centerline method are studied by dynamic triaxial tests. The research results show that the liquefaction dynamic pore pressure ratio of tailings fine sand shows a trend of "rising–smooth–rising" with increasing vibration frequency ratio, and the liquefaction dynamic pore-pressure ratio of tailings silt shows an approximate linear and stable increasing trend. According to the development law of dynamic pore pressure, a new tailings sand pore pressure stress model is proposed in this paper, and the fitting effect is compared with four different pore pressure models, which verifies the applicability of the new model to predict the growth of dynamic pore pressure in tailings and silt.
Article Highlights
Through dynamic triaxial liquefaction tests, the differences in pore pressure growth during liquefaction of the two kinds of centerline tailings sand were compared.
Based on the Seed pore pressure stress model, a new three parameter pore pressure stress model was proposed in this paper. |
| doi_str_mv | 10.1007/s40948-023-00619-y |
| format | Article |
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Article Highlights
Through dynamic triaxial liquefaction tests, the differences in pore pressure growth during liquefaction of the two kinds of centerline tailings sand were compared.
Based on the Seed pore pressure stress model, a new three parameter pore pressure stress model was proposed in this paper.</description><identifier>ISSN: 2363-8419</identifier><identifier>EISSN: 2363-8427</identifier><identifier>DOI: 10.1007/s40948-023-00619-y</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Dynamic loads ; Energy ; Engineering ; Environmental Science and Engineering ; Foundations ; Geoengineering ; Geophysics/Geodesy ; Geotechnical Engineering & Applied Earth Sciences ; Hydraulics ; Hydrostatic pressure ; Liquefaction ; Mine tailings ; Ponds ; Pore pressure ; Pore water ; Pore water pressure ; Pressure ratio ; Sand ; Silt ; Stress ; Tailings ; Tests ; Triaxial tests ; Vibration ; Water pressure</subject><ispartof>Geomechanics and geophysics for geo-energy and geo-resources., 2023-12, Vol.9 (1), Article 79</ispartof><rights>The Author(s) 2023</rights><rights>The Author(s) 2023. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-ef753604f0a07bc9531d69fd98a1b6087157a8129259659ac9735694ffd6da3</citedby><cites>FETCH-LOGICAL-c363t-ef753604f0a07bc9531d69fd98a1b6087157a8129259659ac9735694ffd6da3</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/s40948-023-00619-y$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s40948-023-00619-y$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,864,27924,27925,41120,41488,42189,42557,51319,51576</link.rule.ids></links><search><creatorcontrib>Huang, Xin</creatorcontrib><creatorcontrib>Cai, Xiaoguang</creatorcontrib><creatorcontrib>Yang, Pan</creatorcontrib><creatorcontrib>Zheng, Xuexin</creatorcontrib><creatorcontrib>Zhang, Shaoqiu</creatorcontrib><creatorcontrib>Bo, Jingshan</creatorcontrib><title>Study on the dynamic pore water pressure model of centerline tailings sand based on dynamic triaxial tests</title><title>Geomechanics and geophysics for geo-energy and geo-resources.</title><addtitle>Geomech. Geophys. Geo-energ. Geo-resour</addtitle><description>The increase of pore water pressure under a dynamic load is an important reason for the vibration liquefaction of saturated sand. Therefore, studying the dynamic pore water pressure model of tailings sand plays an important role in the seismic liquefaction analysis of tailings ponds. In this paper, the dynamic pore water pressure development characteristics of tailings fine sand and tailings silt in a tailings pond with the centerline method are studied by dynamic triaxial tests. The research results show that the liquefaction dynamic pore pressure ratio of tailings fine sand shows a trend of "rising–smooth–rising" with increasing vibration frequency ratio, and the liquefaction dynamic pore-pressure ratio of tailings silt shows an approximate linear and stable increasing trend. According to the development law of dynamic pore pressure, a new tailings sand pore pressure stress model is proposed in this paper, and the fitting effect is compared with four different pore pressure models, which verifies the applicability of the new model to predict the growth of dynamic pore pressure in tailings and silt.
Article Highlights
Through dynamic triaxial liquefaction tests, the differences in pore pressure growth during liquefaction of the two kinds of centerline tailings sand were compared.
Based on the Seed pore pressure stress model, a new three parameter pore pressure stress model was proposed in this paper.</description><subject>Dynamic loads</subject><subject>Energy</subject><subject>Engineering</subject><subject>Environmental Science and Engineering</subject><subject>Foundations</subject><subject>Geoengineering</subject><subject>Geophysics/Geodesy</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Hydraulics</subject><subject>Hydrostatic pressure</subject><subject>Liquefaction</subject><subject>Mine tailings</subject><subject>Ponds</subject><subject>Pore pressure</subject><subject>Pore water</subject><subject>Pore water pressure</subject><subject>Pressure ratio</subject><subject>Sand</subject><subject>Silt</subject><subject>Stress</subject><subject>Tailings</subject><subject>Tests</subject><subject>Triaxial tests</subject><subject>Vibration</subject><subject>Water pressure</subject><issn>2363-8419</issn><issn>2363-8427</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp9UMlOwzAQtRBIVKU_wMkSZ4OXxI6PqGKTKnEod8uJ7ZIqdYLtCPL3uITlxunNaN4yegBcEnxNMBY3scCyqBCmDGHMiUTTCVhQxhmqCipOf2ciz8EqxrbGjFDOCkIXYL9No5lg72F6tdBMXh_aBg59sPBdJxvgEGyMY14PvbEd7B1srM-HrvUWJt1m3EUYtTew1tGao9WPTQqt_mh1B5ONKV6AM6e7aFffuATb-7uX9SPaPD88rW83qMlvJmSdKBnHhcMai7qRJSOGS2dkpUnNcSVIKXRFqKSl5KXUjRSs5LJwznCj2RJcza5D6N_GnKv2_Rh8DlS0ogxXTDCSWXRmNaGPMVinhtAedJgUwepYqppLVblU9VWqmrKIzaKYyX5nw5_1P6pP6hV7SQ</recordid><startdate>20231201</startdate><enddate>20231201</enddate><creator>Huang, Xin</creator><creator>Cai, Xiaoguang</creator><creator>Yang, Pan</creator><creator>Zheng, Xuexin</creator><creator>Zhang, Shaoqiu</creator><creator>Bo, Jingshan</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>20231201</creationdate><title>Study on the dynamic pore water pressure model of centerline tailings sand based on dynamic triaxial tests</title><author>Huang, Xin ; Cai, Xiaoguang ; Yang, Pan ; Zheng, Xuexin ; Zhang, Shaoqiu ; Bo, Jingshan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-ef753604f0a07bc9531d69fd98a1b6087157a8129259659ac9735694ffd6da3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Dynamic loads</topic><topic>Energy</topic><topic>Engineering</topic><topic>Environmental Science and Engineering</topic><topic>Foundations</topic><topic>Geoengineering</topic><topic>Geophysics/Geodesy</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Hydraulics</topic><topic>Hydrostatic pressure</topic><topic>Liquefaction</topic><topic>Mine tailings</topic><topic>Ponds</topic><topic>Pore pressure</topic><topic>Pore water</topic><topic>Pore water pressure</topic><topic>Pressure ratio</topic><topic>Sand</topic><topic>Silt</topic><topic>Stress</topic><topic>Tailings</topic><topic>Tests</topic><topic>Triaxial tests</topic><topic>Vibration</topic><topic>Water pressure</topic><toplevel>online_resources</toplevel><creatorcontrib>Huang, Xin</creatorcontrib><creatorcontrib>Cai, Xiaoguang</creatorcontrib><creatorcontrib>Yang, Pan</creatorcontrib><creatorcontrib>Zheng, Xuexin</creatorcontrib><creatorcontrib>Zhang, Shaoqiu</creatorcontrib><creatorcontrib>Bo, Jingshan</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Geomechanics and geophysics for geo-energy and geo-resources.</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Xin</au><au>Cai, Xiaoguang</au><au>Yang, Pan</au><au>Zheng, Xuexin</au><au>Zhang, Shaoqiu</au><au>Bo, Jingshan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on the dynamic pore water pressure model of centerline tailings sand based on dynamic triaxial tests</atitle><jtitle>Geomechanics and geophysics for geo-energy and geo-resources.</jtitle><stitle>Geomech. Geophys. Geo-energ. Geo-resour</stitle><date>2023-12-01</date><risdate>2023</risdate><volume>9</volume><issue>1</issue><artnum>79</artnum><issn>2363-8419</issn><eissn>2363-8427</eissn><abstract>The increase of pore water pressure under a dynamic load is an important reason for the vibration liquefaction of saturated sand. Therefore, studying the dynamic pore water pressure model of tailings sand plays an important role in the seismic liquefaction analysis of tailings ponds. In this paper, the dynamic pore water pressure development characteristics of tailings fine sand and tailings silt in a tailings pond with the centerline method are studied by dynamic triaxial tests. The research results show that the liquefaction dynamic pore pressure ratio of tailings fine sand shows a trend of "rising–smooth–rising" with increasing vibration frequency ratio, and the liquefaction dynamic pore-pressure ratio of tailings silt shows an approximate linear and stable increasing trend. According to the development law of dynamic pore pressure, a new tailings sand pore pressure stress model is proposed in this paper, and the fitting effect is compared with four different pore pressure models, which verifies the applicability of the new model to predict the growth of dynamic pore pressure in tailings and silt.
Article Highlights
Through dynamic triaxial liquefaction tests, the differences in pore pressure growth during liquefaction of the two kinds of centerline tailings sand were compared.
Based on the Seed pore pressure stress model, a new three parameter pore pressure stress model was proposed in this paper.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s40948-023-00619-y</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Dynamic loads Energy Engineering Environmental Science and Engineering Foundations Geoengineering Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Hydraulics Hydrostatic pressure Liquefaction Mine tailings Ponds Pore pressure Pore water Pore water pressure Pressure ratio Sand Silt Stress Tailings Tests Triaxial tests Vibration Water pressure |
| title | Study on the dynamic pore water pressure model of centerline tailings sand based on dynamic triaxial tests |
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