AAF15

Simple Spreader Beam Calculation

Arrangement Beam Details

Type SHShf

Size 25 x 25 x 2

Hook Load = 363.0 kN Material S275

Yield 275

E 205000

Sling Length = 4.80 m Mass / m M 1.41 kg/m

Depth h 25 mm

Height = 4.16 m Width b 25 mm

Angle (degrees) = 60 Web thickness s 2 mm

Flange thickness t 2 mm

Root radius r 3 mm

Length = 4.80 m Depth between fillets d 19 mm

Second Moment of Area (x-x) 1.56

181.5 kN 181.5 kN Second Moment of Area (y-y) 1.56

Radius of gyration (x-x) 0.932 cm

Radius of gyration (y-y) 0.932 cm

Loads Elastic modulus (x-x) 1.25

Sling Load 209.6 kN Elastic modulus (y-y) 1.25

Compression on beam 104.8 kN Area of section A 1.8

Self weight of Beam ( 6.768 kg ) 0.0138321 kN/m Slenderness ratio 515

Slenderness ratio 515

Beam Stress

pcy 8 (for S275) > fc 582.2 FAIL

pcx 8 (for S275) > fc 582.2 FAIL

Bending str 184 (for S275) < fc 31.9 PASS

Euler failure: x-x Failure load 1.37 kN 8 (Theory applicable)

Rankine Gordon: x-x Failure load 1.34 kN 7

Euler failure: y-y Failure load 1.37 kN 8 (Theory applicable)

N/mm²

N/mm²

Ix cm4

Iy cm4

rx

ry

Zx cm3

Zy cm3

cm2

L/rx

L/ry

N/mm2 N/mm2

N/mm2 N/mm2

N/mm2 N/mm2

Buckling Load Check - Ideal struts no eccentricity or initial curvature

N/mm2

N/mm2

N/mm2

Beam

Calculation Sheet

Doc No: MTE-0800

Project: Job No.

Client: By / date: BC 02-Feb-08

Title: Sheet no: 1 of 1

Arrangement

Hook Load = 363.0 kN

Sling Length = 4.80 m

Height = 4.16 m

Angle (degrees) = 60

Length = 4.80 m

181.5 kN 181.5 kN

Beam

Loads

Sling Load 209.6 kN

Compression on beam 104.8 kN

Self weight of Beam ( 6.768 kg ) 0.013832 kN/m

Beam Stress

pcy 8 N/mm2 (for S275) > fc 582.2 N/mm2 FAIL

pcx 8 N/mm2 (for S275) > fc 582.2 N/mm2 FAIL

Bending stress 184 N/mm2 (for S275) < fc 31.9 N/mm2 PASS

Buckling Load Check - Ideal struts no eccentricity or initial curvature

Euler failure: x-x Failure load 1.37 kN 8 N/mm2 (Theory applicable)

Rankine Gordon: x-x Failure load 1.34 kN 7 N/mm2

Euler failure: y-y Failure load 1.37 kN 8 N/mm2 (Theory applicable)

Rankine Gordon: y-y Failure load 1.34 kN 7 N/mm2

Beam Details

Type

Size

Material S275

Yield 275 N/mm²

E 205000 N/mm²

Mass / m M 1.41 kg/m

Depth h 25 mm

Width b 25 mm

Web thickness s 2 mm

Flange thickness t 2 mm

Root radius r 3 mm

SHShf

25 x 25 x 2 Depth between fillets d 19 mm

Second Moment of Area (x-x) Ix 1.56 cm4

Second Moment of Area (y-y) Iy 1.56 cm4

Radius of gyration (x-x) rx 0.932 cm

Radius of gyration (y-y) ry 0.932 cm

Elastic modulus (x-x) Zx 1.25 cm3

Elastic modulus (y-y) Zy 1.25 cm3

Area of section A 1.8 cm2

Slenderness ratio L/rx 515

Slenderness ratio L/ry 515