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Relationship between load/unload response ratio and damage variable and its application
Zhang LP(张浪平); Yin XC(尹祥础); Liang NG(梁乃刚); Zhang LP
Conference Name6th APEC Cooperation for Earthquake Simulations (ACES)
Conference DateMAY 11-16, 2008
Conference PlaceCairns, AUSTRALIA
AbstractThe physics-based parameter: load/unload response ratio (LURR) was proposed to measure the proximity of a strong earthquake, which achieved good results in earthquake prediction. As LURR can be used to describe the damage degree of the focal media qualitatively, there must be a relationship between LURR and damage variable (D) which describes damaged materials quantitatively in damage mechanics. Hence, based on damage mechanics and LURR theory, taking Weibull distribution as the probability distribution function, the relationship between LURR and D is set up and analyzed. This relationship directs LURR applied in damage analysis of materials quantitatively from being qualitative earlier, which not only provides the LURR method with a more solid basis in physics, but may also give a new approach to the damage evaluation of big scale structures and prediction of engineering catastrophic failure. Copyright (c) 2009 John Wiley & Sons, Ltd.
KeywordDamage Variable (d) Load/unload Response Ratio (Lurr) Earthquake Prediction Damage Evaluation Evolution-induced Catastrophe Earthquake Prediction Lurr Theory Rock Failure
Indexed ByCPCI(ISTP)
Document Type会议论文
Corresponding AuthorZhang LP
Recommended Citation
GB/T 7714
Zhang LP,Yin XC,Liang NG,et al. Relationship between load/unload response ratio and damage variable and its application[C]CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE,2010:1534-1548.
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