杭の曲げ耐力と最大応答塑性率の関係

概要

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We propose an estimation function of the bending strength to the ductility factor under the ultimate condition for a steel pipe pile. The estimation function is introduced by the empirical method based on the earthquake response analysis. That is the same way as some researches applied to estimate the relation between the shear strength and the story deformation of buildings. We select the structural characteristic factors of a building as analysis parameters, as well as several shear wave velocity of soil and some geometrical moment of inertia of a pile. We use five artificial seismic motions and four kinds of observed ones as input motions. It is found that structural characteristic factor dose not give effects on the estimation function, and that the shear wave velocity of soil influences it. Finally, we indicate the applicability of the estimation function to the ultimate design for piles considering their tenacity by using the static incremental analysis and the theoretical solution for beams on elastic foundation.
一般社団法人日本建築学会の論文
2001-03-20