Mechanics in Engineering ›› 2004, Vol. 26 ›› Issue (6): 0-0.doi: 10.6052/1000-0992-2004-355
• Application study •
From the viewpoint of mechanics, the essence of seismogenic process is the
damage evolution of the focal media, so it is mainly a mechanical process.
But the earthquake prediction is different from other mechanics
engineering. The constitutive law, boundary condition, initial condition and
the history of some mechanics quantities (such as rheology) must be known in a
resolvable mechanics problem in engineering. But in earthquake generation
they are unknown or almost unknown, and only the variation of some physical
quantities in the earth crust can be measured. From this consideration, the
concept of load/unload response ratio (LURR) was proposed as a new approach
to earthquake prediction. In this paper the basic concepts, case-examination
and some new results of LURR are introduced.
earthquake prediction, load/unload response ratio (LURR), damage evolution
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