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Rock damage experiment and evaluation method by exploding wave
Authors
丁雁生
刘兆年
+3 more
张宝康
林英松
蒋金宝
Publication date
20 June 2008
Publisher
Abstract
通过水中爆炸激波对试样的损伤试验来模拟激波对地层岩石的破坏作用。试验中观测了爆炸后试样内部裂纹形貌的分布,利用自制传感器测到了试样内部的激波压力,优化筛选出了损伤度模型。通过对试样弹性波速进行处理和分析,给出了试样的动态损伤阈值求解方法。结果表明,激波在试样中的传播符合指数衰减规律,相对损伤度、无量纲波速的平方、无量纲拉应力它们两两之间呈线性关系
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018