Study on mechanical properties and damage characteristics of cemented waste rock-tailing backfill
Tailing and waste rock-cemented filling is an effective way to solve the problem solid waste in mines. In this paper, the effects of waste rock content and cement-sand ratio on the properties of tailing-waste rock-cemented filling materials and cemented backfill were analyzed based on the single-fac...
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| Veröffentlicht in: | Environmental science and pollution research international 2023-10, Vol.30 (46), p.102181-102197 |
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| creator | Chen, Guan Yao, Nan Ye, Yicheng Fu, Fanghui Hu, Nanyan Zhang, Zhen |
| description | Tailing and waste rock-cemented filling is an effective way to solve the problem solid waste in mines. In this paper, the effects of waste rock content and cement-sand ratio on the properties of tailing-waste rock-cemented filling materials and cemented backfill were analyzed based on the single-factor multi-level experimental design method. The results show that with the increase of waste rock content, the fluidity of the filling slurry increases first and then decreases, the bleeding rate increased gradually, and the compressive strength of the backfill increases first and then decreases. When the waste rock content is 60% and the cement-sand ratio is 1:4, the cemented backfill has higher compressive strength. With the increase of waste rock content, the interface failure area between waste rock particles and cementitious matrix under loading gradually increases, the crack extension is more complex, and the acoustic emission (AE) ringing count is higher. Microstructural analysis showed that the main hydration products in the cemented backfill were calcium silicate hydrated (C-S-H) gels, ettringite (AFt), and calcium hydroxide (Ca(OH)
2
). Because there is more content of hydration products, the microstructure of the cemented backfill was denser and the compressive strength was higher. Based on the results of uniaxial compression tests, the damage constitutive model of cemented backfill with different waste rock contents and cement-sand ratios was established, which could provide guidance for the design and safety production of phosphate rock filling engineering. |
| doi_str_mv | 10.1007/s11356-023-29532-3 |
| format | Article |
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2
). Because there is more content of hydration products, the microstructure of the cemented backfill was denser and the compressive strength was higher. Based on the results of uniaxial compression tests, the damage constitutive model of cemented backfill with different waste rock contents and cement-sand ratios was established, which could provide guidance for the design and safety production of phosphate rock filling engineering.</description><identifier>ISSN: 1614-7499</identifier><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-023-29532-3</identifier><identifier>PMID: 37659021</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Acoustic emission ; acoustics ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Backfill ; Calcium hydroxide ; calcium silicate ; Calcium silicate hydrate ; Calcium silicates ; Cement ; Cement constituents ; compression strength ; Compression tests ; Compressive Strength ; Constitutive models ; Damage ; Design factors ; Design of experiments ; Earth and Environmental Science ; Ecotoxicology ; Emission analysis ; Environment ; Environmental Chemistry ; Environmental Health ; Ettringite ; Experimental design ; Fillers ; Fluidity ; Gels ; Hydration ; Mechanical properties ; Microstructural analysis ; Microstructure ; Refuse Disposal - methods ; Research Article ; rock phosphate ; Rocks ; Safety engineering ; Sand ; Slaked lime ; Slurries ; Solid Waste ; Solid wastes ; Tailings ; Waste Water Technology ; Water Management ; Water Pollution Control</subject><ispartof>Environmental science and pollution research international, 2023-10, Vol.30 (46), p.102181-102197</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. 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><rights>2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c408t-a220e502b8b9b50e3ad04d1d94ef3d190221c53a110ca2c5efba67c66858d5163</citedby><cites>FETCH-LOGICAL-c408t-a220e502b8b9b50e3ad04d1d94ef3d190221c53a110ca2c5efba67c66858d5163</cites><orcidid>0000-0001-9246-3042</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11356-023-29532-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-023-29532-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,778,782,27911,27912,41475,42544,51306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37659021$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Guan</creatorcontrib><creatorcontrib>Yao, Nan</creatorcontrib><creatorcontrib>Ye, Yicheng</creatorcontrib><creatorcontrib>Fu, Fanghui</creatorcontrib><creatorcontrib>Hu, Nanyan</creatorcontrib><creatorcontrib>Zhang, Zhen</creatorcontrib><title>Study on mechanical properties and damage characteristics of cemented waste rock-tailing backfill</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>Tailing and waste rock-cemented filling is an effective way to solve the problem solid waste in mines. In this paper, the effects of waste rock content and cement-sand ratio on the properties of tailing-waste rock-cemented filling materials and cemented backfill were analyzed based on the single-factor multi-level experimental design method. The results show that with the increase of waste rock content, the fluidity of the filling slurry increases first and then decreases, the bleeding rate increased gradually, and the compressive strength of the backfill increases first and then decreases. When the waste rock content is 60% and the cement-sand ratio is 1:4, the cemented backfill has higher compressive strength. With the increase of waste rock content, the interface failure area between waste rock particles and cementitious matrix under loading gradually increases, the crack extension is more complex, and the acoustic emission (AE) ringing count is higher. Microstructural analysis showed that the main hydration products in the cemented backfill were calcium silicate hydrated (C-S-H) gels, ettringite (AFt), and calcium hydroxide (Ca(OH)
2
). Because there is more content of hydration products, the microstructure of the cemented backfill was denser and the compressive strength was higher. Based on the results of uniaxial compression tests, the damage constitutive model of cemented backfill with different waste rock contents and cement-sand ratios was established, which could provide guidance for the design and safety production of phosphate rock filling engineering.</description><subject>Acoustic emission</subject><subject>acoustics</subject><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Backfill</subject><subject>Calcium hydroxide</subject><subject>calcium silicate</subject><subject>Calcium silicate hydrate</subject><subject>Calcium silicates</subject><subject>Cement</subject><subject>Cement constituents</subject><subject>compression strength</subject><subject>Compression tests</subject><subject>Compressive Strength</subject><subject>Constitutive models</subject><subject>Damage</subject><subject>Design factors</subject><subject>Design of experiments</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Emission analysis</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Ettringite</subject><subject>Experimental design</subject><subject>Fillers</subject><subject>Fluidity</subject><subject>Gels</subject><subject>Hydration</subject><subject>Mechanical properties</subject><subject>Microstructural analysis</subject><subject>Microstructure</subject><subject>Refuse Disposal - methods</subject><subject>Research Article</subject><subject>rock phosphate</subject><subject>Rocks</subject><subject>Safety engineering</subject><subject>Sand</subject><subject>Slaked lime</subject><subject>Slurries</subject><subject>Solid Waste</subject><subject>Solid wastes</subject><subject>Tailings</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><issn>1614-7499</issn><issn>0944-1344</issn><issn>1614-7499</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkc1PFjEQhxsjkQ_9BzyYJl68LE7bbXf3aIgKCQkH4NzMtrOvhf14bbsh_PdUXlTiQU7TZJ75zTQPY-8FHAuA5nMSQmlTgVSV7LSSlXrFDoQRddXUXff62XufHaZ0AyChk80btq8aozuQ4oDhZV79PV9mPpH7gXNwOPJtXLYUc6DEcfbc44Qb4qUd0WWKIeXgEl8G7miiOZPnd5gy8bi42ypjGMO84T262yGM41u2N-CY6N1TPWLX375enZxW5xffz06-nFeuhjZXKCWQBtm3fddrIIUeai98V9OgvCjXSuG0QiHAoXSahh5N44xpdeu1MOqIfdrllut_rpSynUJyNI4407Imq4RWum4NiBdRWShTIhUU9OM_6M2yxrl8pFCNNrWRnSyU3FEuLilFGuw2hgnjvRVgf7myO1e2uLKPrqwqQx-eotd-Iv9n5LecAqgdkEpr3lD8u_s_sQ8DKJ6V</recordid><startdate>20231001</startdate><enddate>20231001</enddate><creator>Chen, Guan</creator><creator>Yao, Nan</creator><creator>Ye, Yicheng</creator><creator>Fu, Fanghui</creator><creator>Hu, Nanyan</creator><creator>Zhang, Zhen</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>7TV</scope><scope>7U7</scope><scope>7WY</scope><scope>7WZ</scope><scope>7X7</scope><scope>7XB</scope><scope>87Z</scope><scope>88E</scope><scope>88I</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8FL</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FRNLG</scope><scope>FYUFA</scope><scope>F~G</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K60</scope><scope>K6~</scope><scope>K9.</scope><scope>L.-</scope><scope>M0C</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7N</scope><scope>P64</scope><scope>PATMY</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><orcidid>https://orcid.org/0000-0001-9246-3042</orcidid></search><sort><creationdate>20231001</creationdate><title>Study on mechanical properties and damage characteristics of cemented waste rock-tailing backfill</title><author>Chen, Guan ; Yao, Nan ; Ye, Yicheng ; Fu, Fanghui ; Hu, Nanyan ; Zhang, Zhen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c408t-a220e502b8b9b50e3ad04d1d94ef3d190221c53a110ca2c5efba67c66858d5163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Acoustic emission</topic><topic>acoustics</topic><topic>Aquatic Pollution</topic><topic>Atmospheric Protection/Air Quality Control/Air Pollution</topic><topic>Backfill</topic><topic>Calcium hydroxide</topic><topic>calcium silicate</topic><topic>Calcium silicate hydrate</topic><topic>Calcium silicates</topic><topic>Cement</topic><topic>Cement constituents</topic><topic>compression strength</topic><topic>Compression tests</topic><topic>Compressive Strength</topic><topic>Constitutive models</topic><topic>Damage</topic><topic>Design factors</topic><topic>Design of experiments</topic><topic>Earth and Environmental Science</topic><topic>Ecotoxicology</topic><topic>Emission analysis</topic><topic>Environment</topic><topic>Environmental Chemistry</topic><topic>Environmental Health</topic><topic>Ettringite</topic><topic>Experimental design</topic><topic>Fillers</topic><topic>Fluidity</topic><topic>Gels</topic><topic>Hydration</topic><topic>Mechanical properties</topic><topic>Microstructural analysis</topic><topic>Microstructure</topic><topic>Refuse Disposal - 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Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Environmental science and pollution research international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Guan</au><au>Yao, Nan</au><au>Ye, Yicheng</au><au>Fu, Fanghui</au><au>Hu, Nanyan</au><au>Zhang, Zhen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on mechanical properties and damage characteristics of cemented waste rock-tailing backfill</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><addtitle>Environ Sci Pollut Res Int</addtitle><date>2023-10-01</date><risdate>2023</risdate><volume>30</volume><issue>46</issue><spage>102181</spage><epage>102197</epage><pages>102181-102197</pages><issn>1614-7499</issn><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>Tailing and waste rock-cemented filling is an effective way to solve the problem solid waste in mines. In this paper, the effects of waste rock content and cement-sand ratio on the properties of tailing-waste rock-cemented filling materials and cemented backfill were analyzed based on the single-factor multi-level experimental design method. The results show that with the increase of waste rock content, the fluidity of the filling slurry increases first and then decreases, the bleeding rate increased gradually, and the compressive strength of the backfill increases first and then decreases. When the waste rock content is 60% and the cement-sand ratio is 1:4, the cemented backfill has higher compressive strength. With the increase of waste rock content, the interface failure area between waste rock particles and cementitious matrix under loading gradually increases, the crack extension is more complex, and the acoustic emission (AE) ringing count is higher. Microstructural analysis showed that the main hydration products in the cemented backfill were calcium silicate hydrated (C-S-H) gels, ettringite (AFt), and calcium hydroxide (Ca(OH)
2
). Because there is more content of hydration products, the microstructure of the cemented backfill was denser and the compressive strength was higher. Based on the results of uniaxial compression tests, the damage constitutive model of cemented backfill with different waste rock contents and cement-sand ratios was established, which could provide guidance for the design and safety production of phosphate rock filling engineering.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>37659021</pmid><doi>10.1007/s11356-023-29532-3</doi><tpages>17</tpages><orcidid>https://orcid.org/0000-0001-9246-3042</orcidid></addata></record> |
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| subjects | Acoustic emission acoustics Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Backfill Calcium hydroxide calcium silicate Calcium silicate hydrate Calcium silicates Cement Cement constituents compression strength Compression tests Compressive Strength Constitutive models Damage Design factors Design of experiments Earth and Environmental Science Ecotoxicology Emission analysis Environment Environmental Chemistry Environmental Health Ettringite Experimental design Fillers Fluidity Gels Hydration Mechanical properties Microstructural analysis Microstructure Refuse Disposal - methods Research Article rock phosphate Rocks Safety engineering Sand Slaked lime Slurries Solid Waste Solid wastes Tailings Waste Water Technology Water Management Water Pollution Control |
| title | Study on mechanical properties and damage characteristics of cemented waste rock-tailing backfill |
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