Development of Strong Motion Prediction Model for Huge Subduction Fault and Damage-Mechanism Analysis of Various Types of Structures

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(1) Clarification of Damage Mechanism based on the non-linear response analysis of various types of structures : Detailed analyses were done including the response analysis of various types of civil engineering structures. The quantitative assessments were carried out for the typical RC structures for strong motion with long ground motion duration.(2) Assessment of strong motion damage distribution for wide areas against the huge earthquakes at subduction zone : The strong motion with long duration of 3 to 4 minutes were simulated for the Nankai-Trough Earthquake. They were applied to the damage assessment for Gifu prefecture and many cities in Tokai district.(3) Earthquake motion prediction including long period components generated by the sub-surface local soil structures : The prediction model including the effect of sub-surface deep soil structures was developed, and applied to the Nobi and Osaka Plains.