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3D Render American Canadian GeneralIm-Export
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Basic Connection Bolt Design
Review Report For Others (Only for A307 bolt with diamter ≤ 12.7 mm) Modification Factor m f
Type of Bearing Connectionmf
single shear and outside sheets of double shear
connection with washers under both bolt head and nut		 1.0
Single shear and outside sheets of double shear
connection without wahshers under both bolt head
and nut, or with only one washer		 0.75
Inside sheet of double shear connection with or without washers 1.33
Bolt Connection Design for Cold Formed Steel


  Combined Shear and Tension 

     ft =324 -2.4 fv        Table E3.4-2

      ft = 0.65
     fv - Required shear stress
     ft - Required tension stress

  


  Minimum edge distance
    e >= 1.5 d

  Minimum spacing of bolts
    s >= 2.5 d


Connection Strength Tr = kN Vr = kN
CF Steel Fu = MPa t = mm e = mm Fy = MPa
mm d= Bolt Information mf=