Tests of large bridge columns. . A/or/h Face South Face East Face West Face Fig. 9.—Column 32S (silicon steel). Key to stations on Table 0 38 Technologic Papers of the Bureau of Standards TABLE 10.—Log of Test, Column 34CS, of Chrome Steel [Cumulative (±) Elongations at Stations Below. Tested July 11,1914. Time ol Test, a. m. to a. m.] Load,pounds Load inpounds persquare inch 1 2 3 4 Average,lto4 75 990 379 950 759 900 1 139 850 1 519 800 1 595 7901 671 7801 747 7701 823 7601 899 750 1 975 740 2 051 730a 2 127 720 2 203 7102 279 700 & 2 431 6802 583 6602 735 640 2 887 620 3 039 600
Tests of large bridge columns. . A/or/h Face South Face East Face West Face Fig. 9.—Column 32S (silicon steel). Key to stations on Table 0 38 Technologic Papers of the Bureau of Standards TABLE 10.—Log of Test, Column 34CS, of Chrome Steel [Cumulative (±) Elongations at Stations Below. Tested July 11,1914. Time ol Test, a. m. to a. m.] Load,pounds Load inpounds persquare inch 1 2 3 4 Average,lto4 75 990 379 950 759 900 1 139 850 1 519 800 1 595 7901 671 7801 747 7701 823 7601 899 750 1 975 740 2 051 730a 2 127 720 2 203 7102 279 700 & 2 431 6802 583 6602 735 640 2 887 620 3 039 600 c3 191 580 d 3 267 570 3 495 540 1 0005 00010 00015 000 20 000 21 000 22 000 23 000 24 000 25 000 26 000 27 000 28 000 29 000 30 000 32 00034 00036 00038 00040 000 42 000 43 00046 000 46 400 47 100 48 00048 30048 600 48 900 49 200 48 50047 700 44 700 0 - .0113 - .0249 - .0387 - .0537 - .0565 - .0600 - .0633 - .0666 - .0698 - .0734 - .0774 - .0814 - .0853 - .0891 - .0986 - .1090 - .1220 - .1387 - .1620 - .2005 - .2300 0
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