| 地震应力波的传播与岩石的动态响应 |
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| 引用本文： | 章根德.地震应力波的传播与岩石的动态响应[J].地震学报,1983,5(4):477-482. |
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| 作者姓名： | 章根德 |
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| 作者单位： | 中国科学院力学研究所 |
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| 摘 要： | 本文用 Split-Hopkinson 压力杆装置研究了应力波通过破裂岩石试件的衰减现象。给出了灰砂岩、石灰岩两种岩石动态的破裂强度与应力应变关系.结合受应力作用的岩样切片的微观观察,对应力裂纹、裂纹的动态分叉现象进行了分析讨论.
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PROPAGATION OF SEISMIC STRESS WAVE AND THE DYNAMIC RESPONSE OF ROCKS |
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| Abstract: | In this paper, the attenuation phenomenon of stress wave transmitted through a fractured rock specimen has been studied by the method of the Split-Hopkinson bar. The dynamic strength and dynamic stress-strain curves for sandstone and limestone are given. Then, combining with microscopic observation of rock specimen sections under compressive loads, the phenomena of stress crack and the dynamic branch have been analysed and discussed. |
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