SPREADER BEAM - ASME 1 W24x94 2 65,000 : Weight of Load (berat beban) 3 3 Nd : Design Factor

4 Material 5 SA-36 Material 6 36,000 : Yeild Strenght 7 29,000,000 : Modulus Elasticity

8 Dimensions 9 180 L [in] : Length of Beam

10 2,700 I [in^4] : Moment of inertia 11 12,155 C [in] : Distance to Neutral Axis 12 24.31 d [in] : Depth of Section

13 4.533 b [in]

14 0.875 t [in] : Thickness of compression flange 15 7.9319 Af [in^2] : Area of Compression Flange 16 1.98 ry [in] : Minor Axis Radius of Gyration

17 Compact Section : 18 Checked b/t < 0.38 x sqrt(E/Fy) 5 < 10.79 = Acceptable

19 Bending Stress 20 Fb [psi] = 1.1*Fy/Nd ( Allowable bending stress ) = 13,200

21 M [lb/in] = W*L/4 ( Bending moment ) = 2,925,000

22 S [psi] = M*c/I ( Actual bending stress ) = 13,168

23 Check "S" = S < Fb = Acceptable

24 Wmax [lb] = 4*Fb*I/(c*L) = 65.16

25 Gusset Bracing 26 Lp1 [in] = 0.67*E/(Fy*d/Af) = 176

27 Lp2 [in] = 1.76*ry*sqrt(E/Fy) = 99

28 Lp [in] = Min(Lp1, Lp2) (Maximum spacing between gussets) = 99

W [lb]

Fy [psi]

E [psi]

: Width of Compression Flange

Lug with Pinned Connection

65,000 : Weight of Load (berat beban) 3 Nd : Design Factor Material

SA-36 Material 36,000 : Yeild Strenght 58,000 : Tensile Strenght 29,000,000 : Modulus Elasticity Dimensions 3 Dh [in] : Hole Diameter 10 w [in] : Width of Lug 1 t [in] : Tickness of Lug

5 R [in] : Outer Radius 0.625 Leg [in]

Tensile Stress Ft [psi] = Fy/Nd ( Allowable Tensile stress ) = 12,000 A [in^2] = t*(w - Dh) ( Area in Tension ) = 7 St [psi] = w/A ( Tensile stress ) = 9,286

Check "St" = St < Ft = TRUE Shear Strenght Through Pinhole

Av [in^2] = 2*(R-(Dh/2)*cos(radians(45)))*t (Total Area for 2 Shaear plan ) = 7.879 Pv [lb] = 0.7*Fu/(1.2*Nd)*Av (Double plane shear strength ) = 88,854

Check "Pv" = W < Pv = TRUE Shear Stress ini Weld

Exx [psi] = Fu (Tensile Strenght filler metal ) = 58,000 Fv [psi] = 0.6*Exx/(1.2*Nd) (Allowable weld shear stress ) = 9,667

Aw [in^2] = (2*w+2*t) * (0.707*Leg) (Area of the weld ) = 9.721 Fw [lb] = Fv*Aw (Allowable weld load ) = 93,972

Check "Fw" = W < Fw = TRUE Minimum Weld Throat:

throat_3-3 [in] = IF(R<=0.25,0.125,IF(R<0.5,0.188,(IF(R<0.75,0.25,0.313)))) = 0.313IF(R<=0.25,0.125,IF(R<0.5,0.188,(IF(R<0.75,0.25,0.313))))

Check "Throat" = Leg*0.707>throat_3-3 = TRUE

W [lb]

Fy [psi]

Fu [psi]

E [psi]

: Weld Leg Height