GB50017-2017《钢结构设计规范》

GB50017-2017122.12.233.13.23.33.43.544.14.24.34.455.15.25.35.466.16.277.17.27.37.47.57.688.18.28.38.48.58.68.78.88.999.19.29.31010.110.210.31111.111.211.311.411.5ABCDEF~~2.1.12P?PPHHlM=Hl+P?M=Hl2.2.12PPPuPPPcrPcrPcrPu2.3.1232.4.123M2.5.1233.13.1.10.253.1.2GB5006860m3.1.33.23.2.15025o0.95o3.2.2GB/T3811A1A8A1A3A4A5A6~A8,A8HkPK,maxPK,ma0.10.10.23.2.3213.2.41.N[u]0.12.Hh[u]NHh3.1HniyQiHni0.21ns250QiinsyQ235y1.0Q345y1.1Q390y1.2Q420y1.252MM1b2iM1s12iNu1HhM1bM1s2iiui32i1.33H3H3H3H3+Hn3H2H2H2H2+Hn2u3H1H1H1H1+Hn1u2u1MM1bM1s4.3.33.3.1Q235Q345Q390Q4201.QFbzTzQ235ABCDQ345ABCDE2.1Q235A0.140.22BCD0.120.200.180.17ACSiMnABCD20oC27J0oC27J-20oC27JAB25mm2Q345Q390Q420Q345AB5%21CDEAB2219201819Q390Q420CDEABCDEQ345ABCDEQ39020oC34J0oC34JQ420-20oC34J-40oC27JA3.2.212Q235AQ235AT0oCQ235Q3450oCQ390Q420-20oCQ235Q345-20oCQ390Q420-40oC20oCT0CoT20oCT20T20ooCCQ235Q3450oCQ390Q420-20oC50tZGB/T53130.01ZQ23512-20oC3-20oC4-30oC-20oC3.43.51.A2.124.14.24.34.3.11.2.4.3.21.FhRhyhctwhoa22c1crc,crcrMhcIVhwtwFctwlzlza5hy2hR1crb0.85crf0.85b1.25b1.25cr[10.75(b0.85)]ffcr1.12b2hc177twfybb2352hc153twfy2352crs0.8crfvcr[10.59(s0.8)]fv0.8s1.2cr1.1fs1.2v2sho/twfya1.0s235h4145.34(ho/a)22oho/twfya1.0hos235415.344(ho/a)3c,crc0.90.9c1.2c1.2c,crfc,cr[10.79(c0.9)]ffc,cr1.12ch0/twfy0.5a1.5c235h3ao2810.913.41.83hoh0/twfy1.5ha2.0c2352818.95aoho2.Ih1hoIIh2a22cc,cr1cr1cr1I1.0221.02c2IIcr2cr2c,cr2cr13.12340.94.41.12352ho/tw250fy32.1s0.8Vuhwtwfv0.8s1.2Vhwtwf10.5s0.8uvs1.2Vuhwtwfvs1.22Ihc1hcb0.851.00.85b1.2510.82b0.85b1.25110.2bbMeuxewxfxe11hc3twe2IxIxhc32MMfV1MeuMf10.5Vu3.2MMf1VMeuMf10.5VuMfh12f1h2Af2hAf2MVV0.5VuV0.5VuMMfMMfMfAf1h1Af2h2MeuVu1MeuMeurxeWxf(1)hc2Ix3twe1b0.851.00.85b1.2510.82(b0.85)110.2bb1.25b2Vus0.8Vuhwtwfv0.8s1.2s1.2Vuhwtwfv[10.5(s0.8)]Vuhwtwfv/1s.24.NSNSVucrhwtwFFho/4HhoR2ah0HVucrhwtw1aa5.15.1.15.1.21t40mmd21.e202NEyNyzNzNyzNyz20i0yNEyyNEy2EA2yNyzyNzNzGIt2EI1i2l20e0i0i0e0ixiy222iixyxyItINyzyNyz2EA2yzyz121e20z2y2zyz2y2412yz2i202i0It2Az2I225.7llyz2.12124(1eo2/io2)2y2zyz2y2z(2y2z)22zi02A/It25.7I2li2oeo222ixiyeoiolItITLI03.TI025.7AiI20z2tix0.195biy0.385be0b3ItAt23TIt0.58At21(10.85b4)2b/t0.54loy/bb/t0.54loy/byzy2ltoylt22yz4.78b(14)oyt13.5b2b/t0.58loy/b(10.47b54)yzy22ltoylt22boyyz3.9(14)b/t0.58loy/bt18.6b31.09b24yzy(1)b2/t0.48loy/b2lt22oy(1lt22yz5.1b)oy2tb2/t0.48loy/b417.4b2b24lt2(14)52.7b12yz3.7boy1tb15u4bt0.69lou0.25bbuz1ulou2t2bt0.69loubuz5.4btuu5.1.31.TL2.Fb1Fb1N60N2401lFb1m20N30m1Fb1nFbnNi0.40.660nNin3.5.25.2.15.2.25.35.3.11.1212.1()SbSb3(1.2NbiNoi)NNoibi2SbSbNbio(1)o3(1.2Noi)o15.3.21.2.(1)1)11N0l02N2)l0l12N012N3)113N0l0l0.5l24N4)3N04Nl0l10.5l5)3N0l2NN01N0NEIy42l00.5llNN0N0N(2)l0l(3)l05.3.31.1N1H1NfHfNH11NfHf2.5.3.460m60m1001501203002505.4TTT150.2235fyT130.17235fy01.015235fy01.018235fy0maxminmax1237.11.2.3.Q50tT4.7.21.H1twbeatwAfcfbbefchyhcfyctw30235Afcfbfcbebe=a+5hyhcfyc2tcAftfbtc0.4fcAft2.Mb1Mb243fvVPhchb90twMb1Mb2VPHVPhbhctwVP1.8hbhctwhb3.47.31.N2N2=0l2131l2l3l1l1l1Nf(ili)t1i12cosi22.bebeNfbte30O3.lfC1235c/t15fy235c/t2223515(F)fyfy2235c/t10N0.8betffy235c/t17.523510(F)fyfy2354.Lft60fy7.47.4.11.33ffw22//2//ffwxzyNxhelwffNzhelwfNxhelwff2f2Nzhelw//f2.f2f2ffwf1.0f1.22he0.7hflwl2hfhfhfhfhchchchfhfhf1.5hf3.fxffxfyfy2fx2fyfxfxf2ffwf2fxfyfff222w7.4.260135112he1122hf1hf1b1b2bhf2hf2hf2hf1hf2hf1bbb1.5mmhehfcos2121.5mmbb1b25mmhehfbb1b2cossin27.4.312he6060hessVhe0.75ssVKs455hes3mmsUJshes3VKJ0.97.57.5.11.Nv0.9nfPbQ420Q345Q3900.550.50P8.810%2.Nt0.8Pb3.NbNNtb1vNvtNNvt7.5.21.Nv21v112132.12P33.12322NvNvbNtNtb1NcbNv1.2NvNtNvbtbcbNN128.11.-30oC2.-20oC12.5t260mmr35t3.-20oC12t10mm348.260m1.2.3.4.L500LL250600L5008.31.2.20mm3.4.5.258.41.2.10hf50mm15t30tt3.13d02d01.5d01.2d028d012t16d024t12d018t16d024t4d08t4.20mm5mm5mm5.dindin1.5h1.5dchcdcdin0.5hcbc1.5bc1.5dcdin500mm1206.180mmd16mmd0200mm7.Ttw210mmtw8.90mm50100mm9.fufy1.2515%fuu20y0.910.11.ht40235fy2fyfu2.fy345Nmm0.83.25mm4.12245.MNe0.55eh(ed)0.25aeee0e010.21.a2.()10.310.3.11.0.21diti60ditidt100td30601202.X0.2dNtxpj0.78tNpjcxNcxpj3.TY512.1211.510.211.51dndtf2sintNcTpj0.6NtTpj1.4NcTpj0.6Npj2NpjcTtT4.K0.211.51dsintcNcKpjndat2f5.KNtNtagN1N2NNcKKpj0.9NTKKpj0.9NpjcKpjTK6.TTgN2N1NNpjcTTgNcTpjg1.280.64dg1.1pjtTTNcTpj7.30015468241210.3.21.0.7hfKN2hisinii60lwlwbi2hisinii502bi50i60lwTyX2hisinilw2.bibhibTyXKNKN0.20.20.0b10.10.35tbihititi35235TyXKN3735fyi235KN33fyihi0.5hibibibthtTyXKN35KNKN400.51a1.51at1t2b25%p100%t,1.0,0b.75iiqtbjji()j()qqppbTyXKNibb1b2h1h24b3.1TyXNipj1.82tf2nhibcsini0.85(a)csinic10.5nn1.00.25fn1.0Nipj2.05tnhisinitfksini1.0(b)(c)X90hhicosiNipji2htfvNipjsinifkfkfTyfk0.8f0.65sinifXfk0.5ht11.732sinifv0.851.0Nipj2.0hi2tibtifi(d)efytbeb10bibiyiftit2t0.851bhisinitfvsiniNipj2.0bep(e)bepb10bibit2KNb0.5Nipj5.68sint2fn(f)tiAfvNipjvsini(g)Nipj2.0hi2tibibetfi(h)(i)i22t1bNipj2.0bibephisinitfv2siniAv2hbt3t23t24a2NipjAvAvf(j)2vv11vpvpAvfvv3KN25%qp50%qbebejNipj2.0h2tiptfii(k)i0.52tifyj10bejbbibitifyijtj50%qp80%bebejNipj2.0hi2titifi(l)280%qp100%Nipj2.0hi2tibibejtifi(m)2pjAjfyjAifyiNjpjNi(n)4.17KN2abcefgijdklm3CIDECTEurocode3nci90hhicosi11.11.2.3.beb0b1b24.150.15llbe5.6.20m11.21.12befstAsty3ftwy4fy4MMsAstfsty32Mss1s2fMss1s2Astfst2.1benrNvcf