padeye lifting lug engineering calculator

Yield in gross section General formula Pn = FyAg Where A g = Gross cross-sectional area through padeye in the direction of the force Design strength in yield = ØtPn Øt = 0.90 General formula (assuming milled, drilled, reamed or bored holes) R n = 1.8F y A pb Design strength in bearing = ØRnĬheck bearing (both axes are the same) Projected bearing area (same either axis), A pb = d pin (t+2t c ) = 1.8F y A pb = ‫ ׵‬Design strength in bearing, ØRn = Check against Rsx Check against Rsy OK with Rs in tension OK with Rsx in tension OK with Rsy in tensionĬheck shear due to R sy For the R sy component, A sf = 2 = where y = √ = P ny = 0.6A sf F u = ØPny = Check against actual RsyĬheck shear due to R sx For the R sx component, A sf = 2 = where x = √ = P nx = 0.6A sf F u = ØPnx = Check against actual Rsx Shear on the effective area General formula P n = 0.6A sf F u Design strength in shear = ØPn Ø= a+dh/2 Padeye material Select grade of padeye steel Yield strength, Fy Ultimate tensile strength, FuĢb eff + d = 162.8 mm Check forw ≥ 2b eff + dġ.33b eff = 74.5 mm Check for a ≥ 1.33b effĬODE CHECKS Tension on Net effective area General formula P n = 2tb eff F uĭesign strength in tension = ØPn Ø= ‫ ׵‬Design strength in tension, ØPn = Check against Rs Check against Rsx Check against Rsy Ref 3 Clause D3-1a (b) Eqn D3-2 Padeye plate thickness, t = Padeye width, w = Padeye effective outer distance, ro = Cheek plate diameter, dc = Cheek plate thickness, tc = Distance from fixed edge to pinhole centre, h1 =Īngle θ = ‫ ׵‬Angle θ = Sling force RS = Horizontal component (x-direction) RSx = Vertical component (y-direction) RSy = W-shapes dimensions to ASTM A6M Padeye dimensions: Min distance from pinhole to edge, y-direction, a = Min distance from pinhole to edge, x-direction, b = Pinhole diameter, dh = Pin diameter, dpin = for Certification, Offshore containers 5. AISC 360-05 Specification for structural steel buildings 3. PETROTRIN Precast concrete foundation pads

Padeye lifting lug engineering calculator