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《Explosion and Shock Waves》 1989-03
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A DYNAMIC CONSTITUTIVE RELATION FOR CALCULATING STRESS WAVES PROPAGATING IN GRANITE

Lou Weitao(Northwest institute of nuclear technology)  
In the elastic stress wave region, a loading rate-dependent stress-strain relation for spherical stress wave propagating in granite has been obtained by means of Laprangian analyis of radial particle velocities measured in situ. The calculated results show that loading rate-dependent constitutive relations could properly describe the major characters of the spherical stress wave propagating in granite. i.e. the damped exponent of the peak stress is bigger than 1 and the wave profile is broadened as the wave propagating.
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