Collapse modes of structures under strong motions of earthquake

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Collapse modes of structures under strong motions of earthquake

Author: Hiroshi Akiyama | Size: 195 KB | Format: PDF | Quality: Unspecified | Publisher: ANNALS OF GEOPHYSICS, VOL. 45, N. 6, December 2002 | Year: 2002 | pages: 8

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 collapse of the structure due to the P−δ effect associated with the lateral displacements and the gravity loading. To eliminate such a collapse mode, to introduce into the ordinary stiff structure a flexible element which remains elastic is very effective. The flexiblestiff mixed structure can behave preferably in many aspects under strong earthquakes.

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