Numerical Tests on Failure Process of Rock Particle under Impact Loading
By using numerical code RFPA2D (dynamic version), numerical model is built to investigate the failure process of rock particle under impact loading, and the influence of different impact loading on crushing effect and consumed energy of rock particle sample is analyzed. Numerical results indicate th...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2015-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2015/678573 |
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| _version_ | 1832552562374475776 |
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| author | Yu-Jun Zuo Qin Zhang Tao Xu Zhi-Hong Liu Yue-Qin Qiu Wan-Cheng Zhu |
| author_facet | Yu-Jun Zuo Qin Zhang Tao Xu Zhi-Hong Liu Yue-Qin Qiu Wan-Cheng Zhu |
| author_sort | Yu-Jun Zuo |
| collection | DOAJ |
| description | By using numerical code RFPA2D (dynamic version), numerical model is built to investigate the failure process of rock particle under impact loading, and the influence of different impact loading on crushing effect and consumed energy of rock particle sample is analyzed. Numerical results indicate that crushing effect is good when the stress wave amplitude is close to the dynamic strength of rock; it is difficult for rock particle to be broken under too low stress wave amplitude; on the other hand, when stress wave amplitude is too high, excessive fine particle is produced, and crushing effect is not very good on the whole, and more crushing energy is consumed. Secondly, in order to obtain good crushing effect, it should be avoided that wavelength of impact load be too short. Therefore, it is inappropriate to choose impact rusher with too high power and too fast impact frequency for ore particle. |
| format | Article |
| id | doaj-art-51882386b27049238dbeca62a91cfb69 |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2015-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-51882386b27049238dbeca62a91cfb692025-02-03T05:58:25ZengWileyShock and Vibration1070-96221875-92032015-01-01201510.1155/2015/678573678573Numerical Tests on Failure Process of Rock Particle under Impact LoadingYu-Jun Zuo0Qin Zhang1Tao Xu2Zhi-Hong Liu3Yue-Qin Qiu4Wan-Cheng Zhu5Mining College, Guizhou University, Guiyang, Guizhou 550025, ChinaMining College, Guizhou University, Guiyang, Guizhou 550025, ChinaSchool of Resources & Civil Engineering, Northeastern University, Shenyang, Liaoning 110004, ChinaMining College, Guizhou University, Guiyang, Guizhou 550025, ChinaMining College, Guizhou University, Guiyang, Guizhou 550025, ChinaSchool of Resources & Civil Engineering, Northeastern University, Shenyang, Liaoning 110004, ChinaBy using numerical code RFPA2D (dynamic version), numerical model is built to investigate the failure process of rock particle under impact loading, and the influence of different impact loading on crushing effect and consumed energy of rock particle sample is analyzed. Numerical results indicate that crushing effect is good when the stress wave amplitude is close to the dynamic strength of rock; it is difficult for rock particle to be broken under too low stress wave amplitude; on the other hand, when stress wave amplitude is too high, excessive fine particle is produced, and crushing effect is not very good on the whole, and more crushing energy is consumed. Secondly, in order to obtain good crushing effect, it should be avoided that wavelength of impact load be too short. Therefore, it is inappropriate to choose impact rusher with too high power and too fast impact frequency for ore particle.http://dx.doi.org/10.1155/2015/678573 |
| spellingShingle | Yu-Jun Zuo Qin Zhang Tao Xu Zhi-Hong Liu Yue-Qin Qiu Wan-Cheng Zhu Numerical Tests on Failure Process of Rock Particle under Impact Loading Shock and Vibration |
| title | Numerical Tests on Failure Process of Rock Particle under Impact Loading |
| title_full | Numerical Tests on Failure Process of Rock Particle under Impact Loading |
| title_fullStr | Numerical Tests on Failure Process of Rock Particle under Impact Loading |
| title_full_unstemmed | Numerical Tests on Failure Process of Rock Particle under Impact Loading |
| title_short | Numerical Tests on Failure Process of Rock Particle under Impact Loading |
| title_sort | numerical tests on failure process of rock particle under impact loading |
| url | http://dx.doi.org/10.1155/2015/678573 |
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