... * 0.25 =2.45 19.62 * 0.25 =4.90 29.43 * 0.25 =7.35 39.24 * 0.25 =9.80 49.05 * 0.25 =12.26 I =bd 0.04*0.006/12 12 =7.2 * 10-10 E for steel is =200 * 10 9 12.26 * 0.003/7.2 * 10-10 = 51.19 N/m2 Strain 51.19/200 * 10.9 =255 * 10-6 As you can see the actual result of 253 * 10-6 is very close to the theoretical figure of 255 * 10-6, so the actual test was correct. ...

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