Hydrofracturing in situ stress measurements of itabirite in the Brazilian Ferriferous Quadrangle and their limitations
This article presents a first attempt to carry out in situ stress measurements (magnitudes and orientations) of the itabirite in the Brazilian Ferriferous Quadrangle by hydraulic fracture testing at a depth of 399 m. Previous studies on this rock have considered estimated values of the k index (rati...
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| Veröffentlicht in: | Geotechnical and geological engineering 2022-03, Vol.40 (3), p.1619-1627 |
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| creator | de Andrade Penido, Henrique de Figueiredo, Rodrigo Peluci de Assis, André Pacheco Torres, Vidal Félix Navarro Sotomayor, Juan Manuel Girao Guimarães, Alessandro |
| description | This article presents a first attempt to carry out in situ stress measurements (magnitudes and orientations) of the itabirite in the Brazilian Ferriferous Quadrangle by hydraulic fracture testing at a depth of 399 m. Previous studies on this rock have considered estimated values of the
k
index (ratio between the horizontal effective stress
S
h
, generally controlled by tectonism, and the vertical effective stress
S
v
, generally controlled by gravity), and it is not a common practice to carry out in situ stress tests in this region and rock type to support geotechnical analysis. The area of study was located at a depth of 500 m in a pit because the determination of the in situ stress distribution is very important to assess the stability of the open-pit mine. The planning, execution and results of the tests are presented. The studied rock mass exhibits different geological structures, such as banding and foliation, which resulted in difficulties with performing the tests, and only 12.5% of the tests were successful. The results can help interpret the strains and stresses induced by mining activities in slopes in the Brazilian Ferriferous Quadrangle and their impacts on the surrounding structures. For a better determination of the regional in situ stresses in the rock of the Brazilian Ferriferous Quadrangle, hydraulic tests on pre-existing fractures are recommended. |
| doi_str_mv | 10.1007/s10706-021-01976-9 |
| format | Article |
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k
index (ratio between the horizontal effective stress
S
h
, generally controlled by tectonism, and the vertical effective stress
S
v
, generally controlled by gravity), and it is not a common practice to carry out in situ stress tests in this region and rock type to support geotechnical analysis. The area of study was located at a depth of 500 m in a pit because the determination of the in situ stress distribution is very important to assess the stability of the open-pit mine. The planning, execution and results of the tests are presented. The studied rock mass exhibits different geological structures, such as banding and foliation, which resulted in difficulties with performing the tests, and only 12.5% of the tests were successful. The results can help interpret the strains and stresses induced by mining activities in slopes in the Brazilian Ferriferous Quadrangle and their impacts on the surrounding structures. For a better determination of the regional in situ stresses in the rock of the Brazilian Ferriferous Quadrangle, hydraulic tests on pre-existing fractures are recommended.</description><identifier>ISSN: 0960-3182</identifier><identifier>EISSN: 1573-1529</identifier><identifier>DOI: 10.1007/s10706-021-01976-9</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Case studies ; Civil Engineering ; Earth and Environmental Science ; Earth Sciences ; Fault lines ; Fracture testing ; Geological structures ; Geology ; Geotechnical Engineering & Applied Earth Sciences ; Gravity ; Hydraulic fracturing ; Hydraulic tests ; Hydraulics ; Hydrogeology ; Open pit mining ; Rock masses ; Rocks ; Stability analysis ; Stress distribution ; Stress measurement ; Technical Note ; Terrestrial Pollution ; Tests ; Waste Management/Waste Technology</subject><ispartof>Geotechnical and geological engineering, 2022-03, Vol.40 (3), p.1619-1627</ispartof><rights>The Author(s), under exclusive licence to Springer Nature Switzerland AG 2021</rights><rights>The Author(s), under exclusive licence to Springer Nature Switzerland AG 2021.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-a337t-3926362f6d9a6798cbcba4ddbd8c9494cb3111dc899235ffa5451a47b1ca5e3a3</cites><orcidid>0000-0002-6029-9273</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/s10706-021-01976-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10706-021-01976-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>de Andrade Penido, Henrique</creatorcontrib><creatorcontrib>de Figueiredo, Rodrigo Peluci</creatorcontrib><creatorcontrib>de Assis, André Pacheco</creatorcontrib><creatorcontrib>Torres, Vidal Félix Navarro</creatorcontrib><creatorcontrib>Sotomayor, Juan Manuel Girao</creatorcontrib><creatorcontrib>Guimarães, Alessandro</creatorcontrib><title>Hydrofracturing in situ stress measurements of itabirite in the Brazilian Ferriferous Quadrangle and their limitations</title><title>Geotechnical and geological engineering</title><addtitle>Geotech Geol Eng</addtitle><description>This article presents a first attempt to carry out in situ stress measurements (magnitudes and orientations) of the itabirite in the Brazilian Ferriferous Quadrangle by hydraulic fracture testing at a depth of 399 m. Previous studies on this rock have considered estimated values of the
k
index (ratio between the horizontal effective stress
S
h
, generally controlled by tectonism, and the vertical effective stress
S
v
, generally controlled by gravity), and it is not a common practice to carry out in situ stress tests in this region and rock type to support geotechnical analysis. The area of study was located at a depth of 500 m in a pit because the determination of the in situ stress distribution is very important to assess the stability of the open-pit mine. The planning, execution and results of the tests are presented. The studied rock mass exhibits different geological structures, such as banding and foliation, which resulted in difficulties with performing the tests, and only 12.5% of the tests were successful. The results can help interpret the strains and stresses induced by mining activities in slopes in the Brazilian Ferriferous Quadrangle and their impacts on the surrounding structures. For a better determination of the regional in situ stresses in the rock of the Brazilian Ferriferous Quadrangle, hydraulic tests on pre-existing fractures are recommended.</description><subject>Case studies</subject><subject>Civil Engineering</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Fault lines</subject><subject>Fracture testing</subject><subject>Geological structures</subject><subject>Geology</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Gravity</subject><subject>Hydraulic fracturing</subject><subject>Hydraulic tests</subject><subject>Hydraulics</subject><subject>Hydrogeology</subject><subject>Open pit mining</subject><subject>Rock masses</subject><subject>Rocks</subject><subject>Stability analysis</subject><subject>Stress distribution</subject><subject>Stress measurement</subject><subject>Technical Note</subject><subject>Terrestrial Pollution</subject><subject>Tests</subject><subject>Waste Management/Waste Technology</subject><issn>0960-3182</issn><issn>1573-1529</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kEtLxDAURoMoOI7-AVcB19U82rRZ6qCOMCCCrsNtmo4Z-hhvUmH89bZWcOfqbs75LhxCLjm75ozlN4GznKmECZ4wrnOV6COy4FkuE54JfUwWTCuWSF6IU3IWwo4xJhTjC_K5PlTY1wg2Dui7LfUdDT4ONER0IdDWQRjQta6LgfY19RFKjz66CYzvjt4hfPnGQ0cfHKKvHfZDoC8DVAjdtnEUumoCPdLGt6Mefd-Fc3JSQxPcxe9dkreH-9fVOtk8Pz6tbjcJSJnHRGqhpBK1qjSoXBe2tCWkVVVWhdWpTm0pOeeVLbQWMqtryNKMQ5qX3ELmJMgluZp399h_DC5Es-sH7MaXRqg0FbxQBRspMVMW-xDQ1WaPvgU8GM7M1NfMfc3Y1_z0NXqU5CyF_RTO4d_0P9Y31VSAoA</recordid><startdate>20220301</startdate><enddate>20220301</enddate><creator>de Andrade Penido, Henrique</creator><creator>de Figueiredo, Rodrigo Peluci</creator><creator>de Assis, André Pacheco</creator><creator>Torres, Vidal Félix Navarro</creator><creator>Sotomayor, Juan Manuel Girao</creator><creator>Guimarães, Alessandro</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>7UA</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>L6V</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><orcidid>https://orcid.org/0000-0002-6029-9273</orcidid></search><sort><creationdate>20220301</creationdate><title>Hydrofracturing in situ stress measurements of itabirite in the Brazilian Ferriferous Quadrangle and their limitations</title><author>de Andrade Penido, Henrique ; de Figueiredo, Rodrigo Peluci ; de Assis, André Pacheco ; Torres, Vidal Félix Navarro ; Sotomayor, Juan Manuel Girao ; Guimarães, Alessandro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a337t-3926362f6d9a6798cbcba4ddbd8c9494cb3111dc899235ffa5451a47b1ca5e3a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Case studies</topic><topic>Civil Engineering</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Fault lines</topic><topic>Fracture testing</topic><topic>Geological structures</topic><topic>Geology</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Gravity</topic><topic>Hydraulic fracturing</topic><topic>Hydraulic tests</topic><topic>Hydraulics</topic><topic>Hydrogeology</topic><topic>Open pit mining</topic><topic>Rock masses</topic><topic>Rocks</topic><topic>Stability analysis</topic><topic>Stress distribution</topic><topic>Stress measurement</topic><topic>Technical Note</topic><topic>Terrestrial Pollution</topic><topic>Tests</topic><topic>Waste Management/Waste Technology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>de Andrade Penido, Henrique</creatorcontrib><creatorcontrib>de Figueiredo, Rodrigo Peluci</creatorcontrib><creatorcontrib>de Assis, André Pacheco</creatorcontrib><creatorcontrib>Torres, Vidal Félix Navarro</creatorcontrib><creatorcontrib>Sotomayor, Juan Manuel Girao</creatorcontrib><creatorcontrib>Guimarães, Alessandro</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><jtitle>Geotechnical and geological engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>de Andrade Penido, Henrique</au><au>de Figueiredo, Rodrigo Peluci</au><au>de Assis, André Pacheco</au><au>Torres, Vidal Félix Navarro</au><au>Sotomayor, Juan Manuel Girao</au><au>Guimarães, Alessandro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydrofracturing in situ stress measurements of itabirite in the Brazilian Ferriferous Quadrangle and their limitations</atitle><jtitle>Geotechnical and geological engineering</jtitle><stitle>Geotech Geol Eng</stitle><date>2022-03-01</date><risdate>2022</risdate><volume>40</volume><issue>3</issue><spage>1619</spage><epage>1627</epage><pages>1619-1627</pages><issn>0960-3182</issn><eissn>1573-1529</eissn><abstract>This article presents a first attempt to carry out in situ stress measurements (magnitudes and orientations) of the itabirite in the Brazilian Ferriferous Quadrangle by hydraulic fracture testing at a depth of 399 m. Previous studies on this rock have considered estimated values of the
k
index (ratio between the horizontal effective stress
S
h
, generally controlled by tectonism, and the vertical effective stress
S
v
, generally controlled by gravity), and it is not a common practice to carry out in situ stress tests in this region and rock type to support geotechnical analysis. The area of study was located at a depth of 500 m in a pit because the determination of the in situ stress distribution is very important to assess the stability of the open-pit mine. The planning, execution and results of the tests are presented. The studied rock mass exhibits different geological structures, such as banding and foliation, which resulted in difficulties with performing the tests, and only 12.5% of the tests were successful. The results can help interpret the strains and stresses induced by mining activities in slopes in the Brazilian Ferriferous Quadrangle and their impacts on the surrounding structures. For a better determination of the regional in situ stresses in the rock of the Brazilian Ferriferous Quadrangle, hydraulic tests on pre-existing fractures are recommended.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10706-021-01976-9</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-6029-9273</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Geotechnical and geological engineering, 2022-03, Vol.40 (3), p.1619-1627 |
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| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Case studies Civil Engineering Earth and Environmental Science Earth Sciences Fault lines Fracture testing Geological structures Geology Geotechnical Engineering & Applied Earth Sciences Gravity Hydraulic fracturing Hydraulic tests Hydraulics Hydrogeology Open pit mining Rock masses Rocks Stability analysis Stress distribution Stress measurement Technical Note Terrestrial Pollution Tests Waste Management/Waste Technology |
| title | Hydrofracturing in situ stress measurements of itabirite in the Brazilian Ferriferous Quadrangle and their limitations |
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