内壁腐蚀混凝土管道爆破动力失效机制
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黄一文,蒋楠,周传波,李海波,罗学东,姚颖康
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Dynamic failure mechanism of concrete pipeline with corroded inner-wall subjected to blasting
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Yi-wen HUANG,Nan JIANG,Chuan-bo ZHOU,Hai-bo LI,Xue-dong LUO,Ying-kang YAO
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| 表 6 最大主应力峰值和峰值振速的统计关系 |
| Tab.6 Statistical relationship between peak value of maximum principal stress and peak vibration speed |
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| h/mm | σm和vm的统计关系 | R2 | | 0 | ${\sigma _{\rm{m} } }{\text{ = } } - 0.608+0.117{v_{\rm{m}}}$ | 0.994 | | 5 | ${\sigma _{\rm{m}}}{\text{ = } }0.205+0.088{v_{\rm{m}}}$ | 0.987 | | 10 | ${\sigma _{\rm{m}}}{\text{ = } } - 0.736+0.137{v_{\rm{m}}}$ | 0.957 | | 15 | ${\sigma _{\rm{m}}}{\text{ = } }0.797+0.066{v_{\rm{m}}}$ | 0.830 | | 20 | ${\sigma _{\rm{m}}}{\text{ = } }0.101+0.110{v_{\rm{m}}}$ | 0.891 | | 25 | ${\sigma _{\rm{m}}}{\text{ = } }0.209+0.108{v_{\rm{m}}}$ | 0.988 | | 30 | ${\sigma _{\rm{m}}}{\text{ = } } - 1.299+0.215{v_{\rm{m}}}$ | 0.973 |
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