単軸単調圧縮荷重下における軸筋の座屈時ひずみ推定式 : コンファインドコンクリート内に配筋された圧縮軸筋の座屈に関する研究(その2)

概要

論文の詳細を見る
Equations to estimate buckling strains of compressive longitudinal reinforcement arranged in confined concrete are derived, through discussions on results of our experimental studies. In the tests of confined concrete with longitudinal reinforcement under uniaxial compressive loading, effects of following factors on the buckling strains were investigated, such as ratios of lateral reinforcement pitches to specimen diameters (S/D), an index of confining stress (ps σ sy), yield strength of the lateral reinforcement (σ sy), shapes of lateral reinforcement, compressive strength of plain concrete (Fo), diameters of longitudinal reinforcement (φ) and locations of longitudinal reinforcement Comparisons between test results of budding strains and estimated ones show that the derived equation has successful applicability about ± 30%.
社団法人日本建築学会の論文
1999-02-28