【文章內(nèi)容簡介】 ========================================================= ( ). 計算工字形或槽形截面梁板件寬厚比. [ GB5001101 ] . Intensity 7 at Multistory Building. . SigmaR = N / (As*fy) = . DTRL = MAX[ 85 120*SigmaR, 40 ] * SQRT[235/fay] = . DTR = Depth/tw = DTRL . . deff1 = MIN[DTRL*tw, Depth] / 2 = mm. . Aeff1 = deff1 * tw = mm^2. . zeff1 = h deff1/2 = mm. . deff2 = MIN[DTRL*tw, Depth] / 2 = mm. . Aeff2 = deff2 * tw = mm^2. . zeff2 = deff2 / 2 = mm. =============================================================================== |||*||| 計算右腹板有效截面特性值. =============================================================================== ( ). 計算工字形或槽形截面梁板件寬厚比. [ GB5001101 ] . Intensity 7 at Multistory Building. . SigmaR = N / (As*fy) = . DTRL = MAX[ 85 120*SigmaR, 40 ] * SQRT[235/fay] = . DTR = Depth/tw = DTRL . . deff1 = MIN[DTRL*tw, Depth] / 2 = mm. . Aeff1 = deff1 * tw = mm^2. . zeff1 = h deff1/2 = mm. . deff2 = MIN[DTRL*tw, Depth] / 2 = mm. . Aeff2 = deff2 * tw = mm^2. . zeff2 = deff2 / 2 = mm. =============================================================================== |||*||| 軸向強度驗算. =============================================================================== midas Gen Steel Code Checking | GB5001703 | Version 800 =============================================================================== ( ). 軸向受壓構(gòu)件長細比(Kl/i)驗算. [ GB5001703 Table ] . Kl/i = . ( ). 計算正則化長細比. . Lambda1 = Pi * SQRT(Es/fy) = . Lambda_by = (KLy/iy) / Lambda1 = ( ). 計算軸向受壓構(gòu)件強軸整體穩(wěn)定驗算的承載力 (Nrc_y). [ GB5001703 附錄 C ] Lambad_by . . f = kN/mm^2. . Alpha1 = . Alpha2 = . Alpha3 = . AAA = Alpha2 + Alpha3*Lambda_by + Lambda_by^2 = . Phi_y = {AAASQRT[AAA^24*Lambda_by^2]} / (2*Lambda_by^2) = . Nrc_y = Phi_y * f * Aeff = kN. ( ). 強軸整體穩(wěn)定驗算 (N/Nrc_y). N . = = . Nrc_y ( ). 計算正則化長細比. . Lambda1 = Pi * SQRT(Es/fy) = . Lambda_bz = (KLz/iz) / Lambda1 = ( ). 計算軸向受壓構(gòu)件弱軸整體穩(wěn)定驗算的承載力 (Nrc_z). [ GB5001703 附錄 C ] Lambad_bz . . f = kN/mm^2. . Alpha1 = . Alpha2 =