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Average Shear Stress Glued, Bolted, Welded Joints*

Example for single shear (Shear is transferred through one surface)

*Note: this is an approximation

1. Glued joint

Looing up

Looing !o"n

#

A

Pa v g =

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$)%elded &oints

shear along "eld throat:

1'

L t

Pa v g

'=

inimum "eld crosssection

area occurs at the throat t

t " cos+,-

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1

M P a

x

x

d t

F

b

A Bb

+.1 ' #

' +.1 /

1 /0 0.1 / $

=

==

c) earing on plate !

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'/

Example 3

2 round post is sitting on a '// x '// mm s3uare 4ase plate that is

supported 45 a s3uare footing.

a) 6alculate the 4earing stress on the footing 45 the 4ase plate

4) 7he allo"a4le soil 4earing pressure is

8allo" '// 9a determine the si;e of the footing.

a) earing stress applied 45 the 4ase plate.

4) Set 84' 8allo" '// 9a

Use footing 1600 x 1600 mm.

M P ax

xb ,.1 '

' / /' / /

1 /, / / $

1 ==

mxmD i m e n s i o n

mx

xA r e q u i r e d

, .1, .1,.'

,.'1 /' / /

1 /, / / '$

$

==

==