Long products - Channels - Taper flange channels UPN - S355 - 5. Web bearing + buckling resistance UPN

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Section designationDesign shear resistancePosition of stiff bearingDesign resistance of unstiffened web, FRd (kN) and limiting length, clim (mm)
Vc,RdStiff bearing length, ss (mm)
kN0102030405075100150200250300350
UPN 4001,150FRd (c = 0)1722272943704374856067279681,2101,4501,6901,930
clim (mm)24023022021020019017014090.090.090.090.090.0
FRd (c ≥ clim)6617107588068549031,0201,1401,3901,6301,8702,1802,290
UPN 3801,080FRd (c = 0)1492042733514024505706909301,1701,4101,6501,890
clim (mm)23022021020019018016013080.080.080.080.080.0
FRd (c ≥ clim)5756236717197678159341,0501,2901,5301,7702,0602,170
UPN 3501,030FRd (c = 0)1502082803614114615857109581,2101,4601,7001,950
clim (mm)21020019018017016014011080.080.080.080.080.0
FRd (c ≥ clim)5846346837337838339571,0801,3301,5801,8302,0802,320
UPN 320922FRd (c = 0)1602152833614194675887099501,1901,4301,6801,920
clim (mm)19018017016015014012090.080.080.080.080.080.0
FRd (c ≥ clim)6216697177668148629831,1001,3401,5901,8302,0702,310
UPN 300635FRd (c = 0)1271672172723223574465357128901,0801,1701,250
clim (mm)18017016015014013010080.080.080.0100100100
FRd (c ≥ clim)4735085445796156507398281,0001,1401,2401,3101,380
UPN 280585FRd (c = 0)1161572072643063424305196978741,0501,2001,280
clim (mm)17016015014013012090.080.080.080.080.090.090.0
FRd (c ≥ clim)4354705065415776127017909671,1601,2401,3401,410
UPN 260542FRd (c = 0)1051471982562913274155046828591,0401,2401,320
clim (mm)16015014013012011080.070.070.070.070.080.080.0
FRd (c ≥ clim)3984334695045405756647539301,1101,2701,3701,450
UPN 240474FRd (c = 0)92.71321822322663003844686378069741,1601,240
clim (mm)14013012011010090.070.070.070.070.070.080.080.0
FRd (c ≥ clim)3503844174514855196036878561,0201,1801,2801,350
UPN 220412FRd (c = 0)84.21221702152472793594395987589181,0801,160
clim (mm)13012011010090.080.060.060.060.060.060.070.070.0
FRd (c ≥ clim)3183503824144464785586387979571,1001,1901,260
UPN 200354FRd (c = 0)72.91091551942242543294055567078571,0101,080
clim (mm)12011010090.080.070.060.060.060.060.060.070.070.0
FRd (c ≥ clim)2763063363663964265025777288791,0201,1001,170
UPN 180301FRd (c = 0)65.399.61431782062343053765186608029411,010
clim (mm)11010090.080.070.060.060.060.060.060.060.060.060.0
FRd (c ≥ clim)2472763043323613894605316738159471,0201,080
UPN 160251FRd (c = 0)58.290.6132162189215282349482615748878941
clim (mm)90.080.070.060.050.050.050.050.050.050.050.060.060.0
FRd (c ≥ clim)2212472743003273544204876207538819501,010
UPN 140207FRd (c = 0)51.482.0121147172197259321446570694820879
clim (mm)80.070.060.050.050.050.050.050.050.050.050.050.050.0
FRd (c ≥ clim)195220245270295319382444568692819884939
UPN 120175FRd (c = 0)44.375.7112137162187249311435560684808932
clim (mm)70.060.050.040.040.040.040.040.040.040.040.040.040.0
FRd (c ≥ clim)1701952202452702943564195436677919161,000
UPN 100128FRd (c = 0)37.064.094.9116137159212265372478585691770
clim (mm)60.050.040.040.040.040.040.040.040.040.040.040.040.0
FRd (c ≥ clim)141162183205226247300354460567673761814
UPN 80101FRd (c = 0)33.060.689.3111132153206260366473579686792
clim (mm)40.040.040.040.040.040.040.040.040.040.040.040.040.0
FRd (c ≥ clim)127149170191213234287340447553660766873
UPN 6575.9FRd (c = 0)28.654.279.599.0119138187236333431529626724
clim (mm)40.040.040.040.040.040.040.040.040.040.040.040.040.0
FRd (c ≥ clim)110130149169188208257305403501598696794
UPN 5054.1FRd (c = 0)24.247.869.887.5105123167212301389478567656
clim (mm)30.030.030.030.030.030.030.030.030.030.030.030.030.0
FRd (c ≥ clim)93.4111129147164182226271360448537626715

If c < clim then use FRd value for c = 0