MISCELLANEOUS PUBLICATION M176
CHART 2B
U. S. DEPARTMENT OF COMMERCE
JESSE H. JONES, Secretary
NATIONAL BUREAU OF STANDARDS
LYMAN J. BRIGGS, Director
ULTIMATE
MOMENTS
RESISTING
OF
POLES
WOOD
700
700
,
I
t
t
1
500
500
I
-
-_j II- __
_ - _ t I : 1 _- -i -Y-t-
_-
I
CO
I
f
300C
3 0 0
200 z
z 200
Co
0
0
I
I
200
100
!-t '--- -!1-? -j- _-- -- ,T- - -- - - - - {--_ - - - -- --I-- -- - -~--~ - ~ - !- I
-}
-
-
-
aI
-niIIIi,
-
-
-
z
I
70
Z
------
f
- - --l
4
-0- -
-
50
%
-1-----
-
--.-
C"")
70
AND DOUGL AS FIR
2. LODGEPOLE PINE.
n
w
50
I. CREOSOTED SOUTHERN PINE
a
-
0
20
100
30
4. WESTERN
w
RED CEDAR
6. NORTHERN WHIECEA
2J
AND REDWOOD
I0
18
22
26
34
30
POLE
38
42
CIRCUMFERENCES
46
AT GROUND
50
54
LINE -
58
62
66
70
INCHES
Chart 2B.-Ultimate resisting moments of wood poles
(Enlarged from fig. 20 of Discussion Handbook H39, NESC, part 2)
10-40993-1
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GOVERNMENT
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