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Load Combinations <br />(LRFD) <br />Flexural <br />Combin- <br />Factor <br />DL <br />Factor <br />PL <br />Factor <br />LL <br />Factor <br />EL <br />Total <br />ation <br />(ft-K) <br />(ft-K) <br />(ft-K) <br />(ft-K) <br />Mr <br />2 <br />1.20 <br />0.94 <br />1.40 <br />10.88 <br />1.60 <br />- <br />- <br />- <br />16.35 <br />5 <br />1.42 <br />0.94 <br />0.99 <br />10.88 <br />0.50 <br />- <br />1.00 <br />11.69 <br />23.84 <br />7 <br />0.68 <br />0.94 <br />0.68 <br />10.88 <br />- <br />- <br />1.00 <br />(11.69) <br />(3.66) <br />Compressive Strength <br />AISI Specification Sec. E <br />Local Buckling Check <br />E <br />Fy <br />k <br />t <br />Fcri <br />b <br />A <br />Slender? <br />p <br />Ix <br />ly <br />(ksi) <br />(ksi) <br />(in) <br />Eq.1.1-4 <br />Eq.1.1-3 <br />Eq.1.1-2 <br />(in A4) <br />(in A4) <br />29000 <br />42 <br />2.00 <br />0.188 <br />22.26 <br />9.124 <br />0.9629803 <br />slender <br />0.80120286 <br />50.53 <br />11.32 <br />Critical Stress Fn <br />Sec. E2.1 <br />Hcom <br />KL <br />r <br />Lo <br />Rr <br />KL/re <br />Fcre <br />AC <br />Fn <br />Center of <br />mass <br />Eq. E2.1.1-1 <br />Eq. E2.1.1-2 <br />Eq. E2.1-1 <br />Eq. E2-4 <br />Eq(s). E2-2/3 <br />(in) <br />(in) <br />(ksi) <br />(ksi) <br />66 <br />158.40 <br />1.582 <br />179.40 <br />0.93 <br />107.56 <br />24.74 <br />1.30 <br />20.6388291 <br />Slender Element <br />Area Reduction (Sec. E3.1) <br />p <br />be <br />Ag <br />Ae <br />(D <br />Pn <br />Wn <br />Eq. 1.1-2 <br />Eq. 1.1-1 <br />gross area <br />net area <br />Eq. E3.1-1 <br />(in A2) <br />(in A2) <br />(kips) <br />(kips) <br />0.801203 <br />7.31 <br />4.52 <br />3.84 <br />0.85 <br />67.33 <br />57.23 <br />