Typically, design codes require that second order P-Delta effects be considered
when designing concrete frames. These effects are the global lateral translation
of the frame and the local deformation of members within the frame.
Consider the frame object shown in Figure A-1, which is extracted from a story
level of a larger structure. The overall global translation of this frame object is
indicated by ∆. The local deformation of the member is shown as δ. The total
second order P-Delta effects on this frame object are those caused by both ∆ and
Required flexural capacity of the member assuming there is no
joint translation of the frame (i.e., associated with the δ deformationin Figure A-1)
đang được dịch, vui lòng đợi..
