変軸力材の座屈補剛について

－曲げ勾配のある梁の横座屈補剛－

抄録

The objective of this study is to clarify the relations between the effective length and bracing stiffness of braced compression members subjected to linear varying axial force. The member is supported by one or two bracings at the center or even intervals, respectively. The buckling equations are derived by using the Rayleigh-Ritz method, and the effective lengths of columns are calculated, taking the bracing stiffness ratio κ and axial load ratio β as analytical parameters. After discussing the relations between the effective length and bracing stiffness, the required stiffness to ensure that the effective length is smaller than the unbraced length between the supporting point and the bracing point are presented.