New Zealand Gazette – 1935 – No. 65

Page 2537

✨ Engineering Tables



SEPT. 6.] THE NEW ZEALAND GAZETTE. 2537

BARE GALVANIZED STEEL—continued.

45,000 lb. BASIS.
(B.) 1/-192 in. (6 S.W.G.).
Constants.—Area, 0·02895 sq. in.; breaking-strength, 2,606 lb.; diameter, 0·192 in.; loading factor, 3·093; maximum tension in conductor, 1,303 lb.; weight, 0·09841 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20. 40. 60. 80. 100.
Ten. Sag. Ten. Sag. Ten. Sag.
Chains. lb. Ft. in. lb. Ft. in. lb. Ft. in.
5 1130 1 2 1026 1 3½ 923 1 5½
6 1060 1 10 960 2 0 862 2 3
7 982 2 8 888 2 11½ 798 3 3
8 901 3 10 816 4 3 736 4 8

45,000 lb. BASIS.
(C.) 7/-064 in. (7/16 S.W.G.)
Constants.—Area, 0·02252 sq. in.; breaking-strength, 2,026 lb.; diameter, 0·192 in.; loading factor, 3·832; maximum tension in conductor, 1,013 lb.; weight, 0·07785 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20. 40. 60. 80. 100.
Ten. Sag. Ten. Sag. Ten. Sag.
Ft. lb. Ft. in. lb. Ft. in. lb. Ft. in.
180 945 0 4 860 0 4½ 776 0 5
220 912 0 6½ 828 0 6¾ 745 0 7½
260 873 0 9 790 0 10 708 0 11
300 829 1 0½ 748 1 2 668 1 3½
340 780 1 5½ 701 1 7½ 625 1 9½
380 727 1 11 652 2 2 580 2 5

45,000 lb. BASIS.
(D.) 5/-080 in. (5/14 S.W.G.).
Constants.—Area, 0·02513 sq. in.; breaking-strength, 2,362 lb.; diameter, 0·216 in.; loading factor, 3·865; maximum tension in conductor, 1,131 lb.; weight, 0·08679 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20. 40. 60. 80. 100.
Ten. Sag. Ten. Sag. Ten. Sag.
Ft. lb. Ft. in. lb. Ft. in. lb. Ft. in.
180 1053 0 8 959 0 8½ 866 0 9½
220 1016 1 0½ 923 1 1½ 830 1 3½
260 973 1 6 880 1 8 790 1 10½
300 922 2 1½ 832 2 4 744 2 8
340 867 2 11 779 3 3 695 3 7
380 808 3 10½ 724 4 4 645 4 10

45,000 lb. BASIS.
(E.) 7/-080 in. (7/14 S.W.G.).
Constants.—Area, 0·03519 sq. in.; breaking-strength, 3,166 lb.; diameter, 0·240 in.; loading factor, 3.124; maximum tension in conductor, 1,583 lb.; weight, 0·1216 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20. 40. 60. 80. 100.
Ten. Sag. Ten. Sag. Ten. Sag.
Ft. lb. Ft. in. lb. Ft. in. lb. Ft. in.
180 1515 0 4 1382 0 4½ 1251 0 4¾
220 1482 0 6 1351 0 6¾ 1221 0 7½
260 1443 0 8½ 1313 0 9½ 1184 0 10½
300 1398 0 11½ 1270 1 1 1144 1 2½
340 1349 1 3½ 1223 1 5½ 1100 1 7
380 1293 1 8½ 1171 1 10½ 1052 2 1


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🏗️ Bare Galvanized Steel Wind Load Tables (continued from previous page)

🏗️ Infrastructure & Public Works
Electrical Conductors, Wind Load, Sag, Tension, Engineering