| A CATASTROPHE ANALYSIS OF THREE -POINT BEND ROUND BEAM SPECIMENS OF ROCK |
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| 引用本文： | Wang Qizhi Xian Xuefu. A CATASTROPHE ANALYSIS OF THREE -POINT BEND ROUND BEAM SPECIMENS OF ROCK[J]. 保鲜与加工, 1992, 0(4): 93-99 |
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| 作者姓名： | Wang Qizhi Xian Xuefu |
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| 作者单位： | Wang Qizhi Xian Xuefu |
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| 摘 要： | The snap-back instability (also known as catastrophe behavior) .which may happen during the process of fracture testing with three-point bend round beam of rock .concrete and ceramic materials is analysed,an instability criterion for this kind of specimen is propoesd.it is different from that of the three-point bend rectangular beam.
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| 关 键 词： | rock fracture mechanics three-point bend round beam cohesive crack mod-el snap-back instability catastrophe |
A CATASTROPHE ANALYSIS OF THREE -POINT BEND ROUND BEAM SPECIMENS OF ROCK |
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| Wang Qizhi Xian Xuefu. A CATASTROPHE ANALYSIS OF THREE -POINT BEND ROUND BEAM SPECIMENS OF ROCK[J]. Storage & Process, 1992, 0(4): 93-99 |
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| Authors: | Wang Qizhi Xian Xuefu |
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| Affiliation: | Wang Qizhi Xian Xuefu |
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| Abstract: | The snap-back instability (also known as catastrophe behavior) .which may happen during the process of fracture testing with three-point bend round beam of rock .concrete and ceramic materials is analysed,an instability criterion for this kind of specimen is propoesd.it is different from that of the three-point bend rectangular beam. |
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| Keywords: | rock fracture mechanics three-point bend round beam cohesive crack mod-el snap-back instability catastrophe |
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