Effect of Characteristic Impedance in Estimating Specific Energy and Average Fragment Size at High Strain Rates of Some Peridotitic Rock Materials at Laboratory Scale
In this study, the application of characteristic impedance in estimating specific energy and average fragment size of rocks was investigated during rock breakage at high strain rates. To achieve this, rock specimen was prepared in accordance with recommendations of the International Society for Rock...
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| Veröffentlicht in: | Rock mechanics and rock engineering 2023-08, Vol.56 (8), p.5693-5704 |
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| creator | Ozoji, Toochukwu Zhang, Zong-Xian Adeyemi, Aladejare Qiao, Yang Chi, Li-Yuang |
| description | In this study, the application of characteristic impedance in estimating specific energy and average fragment size of rocks was investigated during rock breakage at high strain rates. To achieve this, rock specimen was prepared in accordance with recommendations of the International Society for Rock Mechanics and broken at high strain rates using the split Hopkinson’s pressure bar system. Results reveal that although strain rate is well related to specific energy and average fragment size of broken rocks, the product of characteristic impedance and strain rate is more reliable for estimating the forementioned parameters. In addition, strain rate and dissipated energy generally increase at higher incident energies while the average fragment size of broken rocks reduces at higher strain rates. Based on these findings, more studies on indirect estimation of energy requirement for rock breakage to desired average fragment sizes is recommended from the product of characteristic impedance and strain rate.
Highlights
Rock classification and rate parameters are crucial for estimating breakage characteristics of rocks at high strain rates.
Novel application of the product of characteristic impedance and strain rate is proposed for estimating breakage characteristics of rocks at high strain rates.
The product of characteristic impedance and strain rate is more reliable for estimating specific energy and average fragment size from impulse rock breakage. |
| doi_str_mv | 10.1007/s00603-023-03359-3 |
| format | Article |
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Highlights
Rock classification and rate parameters are crucial for estimating breakage characteristics of rocks at high strain rates.
Novel application of the product of characteristic impedance and strain rate is proposed for estimating breakage characteristics of rocks at high strain rates.
The product of characteristic impedance and strain rate is more reliable for estimating specific energy and average fragment size from impulse rock breakage.</description><identifier>ISSN: 0723-2632</identifier><identifier>EISSN: 1434-453X</identifier><identifier>DOI: 10.1007/s00603-023-03359-3</identifier><language>eng</language><publisher>Vienna: Springer Vienna</publisher><subject>Breakage ; Civil Engineering ; Earth and Environmental Science ; Earth Sciences ; Energy ; Estimation ; Geophysics/Geodesy ; High strain rate ; Impedance ; Original Paper ; Parameters ; Pressure bars ; Rock ; Rock mechanics ; Rocks ; Specific energy</subject><ispartof>Rock mechanics and rock engineering, 2023-08, Vol.56 (8), p.5693-5704</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><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-185f9cd8571e99aeea563a6ffc7c0f1db7157e47a76c00092c2543ed6872c7873</citedby><cites>FETCH-LOGICAL-c363t-185f9cd8571e99aeea563a6ffc7c0f1db7157e47a76c00092c2543ed6872c7873</cites><orcidid>0000-0003-4217-4271</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/s00603-023-03359-3$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00603-023-03359-3$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Ozoji, Toochukwu</creatorcontrib><creatorcontrib>Zhang, Zong-Xian</creatorcontrib><creatorcontrib>Adeyemi, Aladejare</creatorcontrib><creatorcontrib>Qiao, Yang</creatorcontrib><creatorcontrib>Chi, Li-Yuang</creatorcontrib><title>Effect of Characteristic Impedance in Estimating Specific Energy and Average Fragment Size at High Strain Rates of Some Peridotitic Rock Materials at Laboratory Scale</title><title>Rock mechanics and rock engineering</title><addtitle>Rock Mech Rock Eng</addtitle><description>In this study, the application of characteristic impedance in estimating specific energy and average fragment size of rocks was investigated during rock breakage at high strain rates. To achieve this, rock specimen was prepared in accordance with recommendations of the International Society for Rock Mechanics and broken at high strain rates using the split Hopkinson’s pressure bar system. Results reveal that although strain rate is well related to specific energy and average fragment size of broken rocks, the product of characteristic impedance and strain rate is more reliable for estimating the forementioned parameters. In addition, strain rate and dissipated energy generally increase at higher incident energies while the average fragment size of broken rocks reduces at higher strain rates. Based on these findings, more studies on indirect estimation of energy requirement for rock breakage to desired average fragment sizes is recommended from the product of characteristic impedance and strain rate.
Highlights
Rock classification and rate parameters are crucial for estimating breakage characteristics of rocks at high strain rates.
Novel application of the product of characteristic impedance and strain rate is proposed for estimating breakage characteristics of rocks at high strain rates.
The product of characteristic impedance and strain rate is more reliable for estimating specific energy and average fragment size from impulse rock breakage.</description><subject>Breakage</subject><subject>Civil Engineering</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Energy</subject><subject>Estimation</subject><subject>Geophysics/Geodesy</subject><subject>High strain rate</subject><subject>Impedance</subject><subject>Original Paper</subject><subject>Parameters</subject><subject>Pressure bars</subject><subject>Rock</subject><subject>Rock mechanics</subject><subject>Rocks</subject><subject>Specific energy</subject><issn>0723-2632</issn><issn>1434-453X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>BENPR</sourceid><recordid>eNp9Uc1KxDAQDqLg-vMCngKeq0nTNu1Rll0VVhSr4C2M6aRWt82aZIX1gXxOU1fw5mEyMN8f5CPkhLMzzpg894wVTCQsjSNEXiVih0x4JrIky8XTLpkwGaG0EOk-OfD-lbEIynJCvmbGoA7UGjp9AQc6oOt86DS97lfYwKCRdgOdxVMPoRtaWq9QdyYSZgO6dkNhaOjFBzpokc7j2-MQaN19IoVAr7r2hdbBQfS4h4B-DKptj_Qu5jQ2dGPUvdVv9AbGaFj6UbeAZ-sgWLehtYYlHpE9EyE8_t2H5HE-e5heJYvby-vpxSLRohAh4WVuKt2UueRYVYAIeSGgMEZLzQxvniXPJWYSZKEZY1Wq0zwT2BSlTLUspTgkp1vflbPva_RBvdq1G2KkSsuMZTwvOI-sdMvSznrv0KiVi9_jNoozNfahtn2o2If66UOJKBJbkY_koUX3Z_2P6hsPxo9R</recordid><startdate>20230801</startdate><enddate>20230801</enddate><creator>Ozoji, Toochukwu</creator><creator>Zhang, Zong-Xian</creator><creator>Adeyemi, Aladejare</creator><creator>Qiao, Yang</creator><creator>Chi, Li-Yuang</creator><general>Springer Vienna</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TN</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</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>FR3</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>Q9U</scope><orcidid>https://orcid.org/0000-0003-4217-4271</orcidid></search><sort><creationdate>20230801</creationdate><title>Effect of Characteristic Impedance in Estimating Specific Energy and Average Fragment Size at High Strain Rates of Some Peridotitic Rock Materials at Laboratory Scale</title><author>Ozoji, Toochukwu ; 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To achieve this, rock specimen was prepared in accordance with recommendations of the International Society for Rock Mechanics and broken at high strain rates using the split Hopkinson’s pressure bar system. Results reveal that although strain rate is well related to specific energy and average fragment size of broken rocks, the product of characteristic impedance and strain rate is more reliable for estimating the forementioned parameters. In addition, strain rate and dissipated energy generally increase at higher incident energies while the average fragment size of broken rocks reduces at higher strain rates. Based on these findings, more studies on indirect estimation of energy requirement for rock breakage to desired average fragment sizes is recommended from the product of characteristic impedance and strain rate.
Highlights
Rock classification and rate parameters are crucial for estimating breakage characteristics of rocks at high strain rates.
Novel application of the product of characteristic impedance and strain rate is proposed for estimating breakage characteristics of rocks at high strain rates.
The product of characteristic impedance and strain rate is more reliable for estimating specific energy and average fragment size from impulse rock breakage.</abstract><cop>Vienna</cop><pub>Springer Vienna</pub><doi>10.1007/s00603-023-03359-3</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-4217-4271</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Breakage Civil Engineering Earth and Environmental Science Earth Sciences Energy Estimation Geophysics/Geodesy High strain rate Impedance Original Paper Parameters Pressure bars Rock Rock mechanics Rocks Specific energy |
| title | Effect of Characteristic Impedance in Estimating Specific Energy and Average Fragment Size at High Strain Rates of Some Peridotitic Rock Materials at Laboratory Scale |
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