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11.7 EFFECTIVE LENGTH - K FACTORS
{ XE "Effective Length" }{ XE "K Factor" }The solution procedure for the P-Delta
effects described in this chapter has been implemented and verified in the
ETABS program. The application of the method of analysis presented in this
chapter should lead to the elimination of the column effective length (K-) factors,
since the P-Delta effects automatically produce the required design moment
amplifications. Also, the K-factors are approximate, complicated, and timeconsuming
to calculate. Building codes for concrete [4] and steel [5] now allow
explicit accounting of P-Delta effects as an alternative to the more involved and
approximate methods of calculating moment magnification factors for most
column designs.
یک از دوستان محاسب در پی ایراد عدم انجام آنالیر P-Delta با ردیف کردن علامت تعجب در عقل اندک وناقص ما کلی شک کرده بود .احتمالا حق با ایشان است .شما چطور فکر می کنید؟