+U. S. DEPARTMENT OF COMMERCE
MISCELLANEOUS PUBLICATION
CHART 3
JESSE H. JONES, Secretary
M176
NATIONAL BUREAU OF STANDARDS
LYMAN J. BRIGGS, Director
CATENARY
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30
60
50
70
90
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CATENARY
CURVE
ORDINATES
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30
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SAG
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LESS
THAN
THE
SPAN
LENGTH.
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ti,
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1
10 % OF
v
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711:THE
AT
CURVE GIVES APPROXIMATE VALUES OF SAG
ALL POINTS ON THE CATENARY CURVE EXPRESSED
IN PER CENT OF THE CENTER SAG.
THE ERROR IS
NEGLIGIBLE FOR ALL SPANS IN WHICH
THE CENTER
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30
40
PER
CENT
50
60
OF SPAN
LENGTH
70
80
90
1n
100
Chart 3.-Catenary curve
(Enlarged from fig. 18 of Discussion Handbook H39, NESC, part 2)
U. S.
GOVERNMENT
P1NTING
OFFICE
16-40963-1
metadcl00691
3
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