New Zealand Gazette – 1935 – No. 65

Page 2532

✨ Engineering Tables



2532

THE NEW ZEALAND GAZETTE.

[No. 65

STEEL-CORED ALUMINIUM—continued.

(F.) 7/-102 in.

Constants.—Area, 0·05720 sq. in.; breaking-strength, 2,548 lb.; diameter, 0·306 in.; loading factor, 5·409; maximum tension in conductor, 1,019·2 lb.; weight, 0·06633 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20. 40. 60. 80. 100.
Ten. Sag. Ten. Sag. Ten. Sag. Ten. Sag. Ten.
Ft. lb. Ft. in. lb. Ft. in. lb. Ft. in. lb. Ft. in. lb. Ft. in.
180 829 0 5 681 0 6 539 0 8 406 0 10½ 294 1 2
220 736 0 8½ 596 0 10½ 464 1 2 351 1 6 265 2 0
260 635 1 2 504 1 5 391 1 10 304 2 5 246 3 0
300 528 1 10 419 2 4 334 2 11 273 3 7 230 4 3
340 432 2 11 351 3 7 292 4 3 251 5 0 221 5 8
350 362 4 4 307 5 1 267 5 10 237 6 7 215 7 3

(G.) 7/-118 in.

Constants.—Area, 0·07655 sq. in.; breaking-strength, 3,410 lb.; diameter, 0·354 in.; loading factor, 4·698; maximum tension in conductor, 1,363·8 lb.; weight, 0·11566 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20. 40. 60. 80. 100.
Ten. Sag. Ten. Sag. Ten. Sag. Ten. Sag. Ten.
Ft. lb. Ft. in. lb. Ft. in. lb. Ft. in. lb. Ft. in. lb. Ft. in.
180 1178 0 4½ 975 0 5¾ 784 0 7 600 0 9¾ 442 1 1
220 1078 0 8 887 0 9¾ 705 1 0 541 1 4 407 1 9
260 973 1 0 792 1 3 624 1 7 484 2 0 379 2 7
300 858 1 6 693 1 11 550 2 4 437 3 0 359 3 8
340 748 2 3 606 2 9 491 3 5 405 4 2 345 4 10
380 638 3 3 526 4 0 442 4 9 379 5 6 333 6 3

(H.) 7/-132 in.

Constants.—Area, 0·09579 sq. in.; breaking-strength, 4,106 lb.; diameter, 0·396 in.; loading factor, 4·227; maximum tension in conductor, 1,642·4 lb.; weight, 0·1446 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20. 40. 60. 80. 100.
Ten. Sag. Ten. Sag. Ten. Sag. Ten. Sag. Ten.
Ft. lb. Ft. in. lb. Ft. in. lb. Ft. in. lb. Ft. in. lb. Ft. in.
180 1436 0 5 1191 0 6 951 0 7¾ 727 0 9¾ 530 1 1
220 1337 0 8 1097 0 9¾ 869 1 0 665 1 4 499 1 9
260 1223 1 0 992 1 3 785 1 7 608 2 0 476 2 7
300 1100 1 6 887 1 10 703 2 4 560 2 11 457 3 7
340 972 2 2 780 2 8 636 3 3 524 4 0 444 4 9
380 851 3 1 699 3 9 583 4 6 497 5 3 433 6 0

(I.) 7/-144 in.

Constants.—Area, 0·1140 sq. in.; breaking-strength, 4,886 lb.; diameter, 0·432 in.; loading factor, 3·892; maximum tension in conductor, 1,954·4 lb.; weight, 0·1723 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20. 40. 60. 80. 100.
Ten. Sag. Ten. Sag. Ten. Sag. Ten. Sag. Ten.
Ft. lb. Ft. in. lb. Ft. in. lb. Ft. in. lb. Ft. in. lb. Ft. in.
180 1744 0 5 1456 0 5¾ 1167 0 7 896 0 9¾ 658 1 1
220 1644 0 7½ 1362 0 9 1089 0 11½ 837 1 3 629 1 8
260 1531 0 11½ 1260 1 2 1000 1 6 778 1 11 605 2 5
300 1407 1 5 1147 1 8 916 2 1 723 2 8 585 3 4
340 1272 2 0 1034 2 5 837 3 0 683 3 8 570 4 5
380 1140 2 9 935 3 4 772 4 0 650 4 9 559 5 7


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🏗️ V.I.R. Copper Wind Load Tables (continued from previous page)

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