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Use damage rheology model research on the precursor of earthquakes
Authors
余怀忠
尹祥础
梁乃刚
Publication date
30 June 2004
Publisher
Abstract
在地震等灾变破坏发生之前会出现一定的前兆现象,本文通过损伤力学模型,运用数值计算的方法对此进行了研究从计算结果可以看到,在灾变破坏发生之前,由损伤所释放的能量(能量释放)和加卸栽响应比值Y都发生了异常明显的变化,这表明二者具有相同的物理机制,在一定程度上都能够较为定量地刻画出系统的损伤演化过程如果把二者相结合则可能对地震等灾变破坏做出更为准确的预测,本文结合实际震例对此也进行了一定的研究
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018