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5-54 CHAPTER 5 - Structural Steel Table $04.3.1 Shear Lag Factors for Connections to Tension Members Description of Element Shear Lag Factor, U Example All tension members where the tension load is transmitted 1 | dircetly to each of cross-sectional elements by fasteners or us 10 _ welds, (cxcepl as in Cases 3, 4, 5 and 6) All tension members, except plates and LISS, where the Es tension load is transmitted to some but not all of the £ x 2 A aie us1-* cross-sectional elements by fasteners or longitudinal welds 7 (Alternately, for W, M, and LIP, Case 7 may be used.) 2 <= ‘Ail tension members where the tension load is transmitted ie Ae 3. | by transverse welds to some but not all of the cross- Semmens : A,, = area of the direcily = sectional elements. connected elements f>2w..U=10 4 _| Plates where the tension load is transmitted by longitudinal 2w >t 2 1.5w...U = 0.87 oS) welds only. 15w >L>w..U = 0.75 ml fe wl T 1213D..U=10 Dsgi<13D..U=1-* 5 | Round HSS with a single concentric gussel plate. q R=D/a z Le M..0= 1-7 H with a single concentric gusset plate wo Bea 2Bn TSA 6 | Rectangular IISS *"4@+H) with two side gusset plates a _ O 4(B +H) with flange connected with 3 or more b,> 2/34... U= 0. W, M, 8 or HP Shapes or Tees | fasteners per line in bp 26d... U=0. — | cut Srom these shapes. (If U is | _ditection of loading calculated per Case 2, the larger | with web connected value is permitted to be used) with 4 or more a u=0.70 fasteners per line in = direction of loadin, with 4 or more . . fasteners per line in u=0.80 — Single angles (If U is calculated | direction of loading 8 | per Case 2, the larger value is [— | : crmitted to be used paz ora raeeners E per line in the U=0.60 direction of loading T= length of connection, mm; rectangular HSS member, measured 90 degrces to the plane of the connection, mm; rectangular HSS member, measured in the plane of the connection, mm. w=plale width, mm; ¥ = connection eccentricity, mm B = overall width of H = overall height of Association of Structural Engineers of the Philippines, Inc. (ASEP) 
