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Collapse modes of structures under strong motions of earthquake
collapse mode damage concentration P-d effect flexible-stiff mixed structure
2015/9/25
Under strong motion earthquakes, structures receive various types of damage. The most fatal damage is the loss of lateral strengths of a structure. The loss of lateral resistance causes a total collap...
Each observable ballistic phenomenon of a spin-stabilized rifle bullet can be explained in terms of the acceleration of gravity and the total aerodynamic force acting on that bullet. In addition to th...
Perturbed stellar motions around the rotating black hole in Sgr A* for a generic orientation of its spin axis
Classical general relativity Experimental tests of gravitational theories Black holes Physics of black holes Satellite orbits
2011/8/17
Abstract: Empirically determining the averaged variations of the orbital parameters of the stars orbiting the Supermassive Black Hole (SBH) hosted by the Galactic Centre (GC) in Sgr A* is, in principl...
The Relationship Between Upper Mantle Anisotropic Structures Beneath California, Transpression, and Absolute Plate Motions
The Relationship Between Upper Mantle Anisotropic Structures California Transpression Absolute Plate Motions
2014/4/10
We calculated SKS splitting parameters for the California Integrated Seismic Network. In southern California, we also estimated splitting in the upper 100 km using azimuthal anisotropy determined fr...
India-Asia collision and the Cenozoic slowdown of the Indian plate: Implications for the forces driving plate motions
India-Asia collision Cenozoic slowdown Indian plate the forces driving plate motions
2014/4/15
The plate motion of India changed dramatically between 50 and 35 Ma, with the rate of convergence between India and Asia dropping from15 to4 cm/yr. This change is coincident with the onset of the In...
Predominant period of the long-period ground motions in the Osaka basin
Osaka basin Love waves Rayleigh waves predominant period
2009/3/5
We examined the average predominant period of seismograms observed at the strong ground motion observation stations, maintained by CEORKA (Committee of Earthquake Observation and Research in the Kansa...