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7/24/2019 CIVE 2200 Lec 1 and 2
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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 /, / / '$
$
==
==