Question

data

Beam Dimensions (mm) Gauge Number Nominal Vertical Position (mm) 4 ,5 vertical position 2,3 23 31.7 38.1 8,9 Strain Gauge Layout Indicates Gauge number Collected Data: Strains recorded at load increments (us): Gauge Number Load (N) 150 IO 09 -52 -109 33 22 12001 250 L-214 269 148 183 I-147 -184 -31 -37 -30 - 2 L- 1-37 62 S2 00 6 15 139 139 70

please calculate

Answer 1

02 Average strains at loaol increments Gauge Number Load 50 tDO 150 200 2 50 300 1 2 -52 F109 -158 214 269 -310 2, 3 4,5 .5 33 -16 -108 -141.5 184-5 -212 15 -3.5 -16.5 -21 5 -30.5 - 37 -40 6,7 2 14 19 30.5 40.5 51 62.5 8,9 3-5 25.5 45 67-5 93 115.5 139 To caleulake load @2 +Load @3 Averaga e 23 2

Stren af hood gnemin stres=Road Unil onside Area Area@1 6.4316 4-40.46mm IMPA = 38.1X 6.4 - 243 84mm Area @ 4/5- 6-4x 6.t -40-41mm N/mw MPa 6 4x64 = 40.9bm m b/s Stress at Load Increment (MPa) Gawge (Mpay 150 O0 00 091 1221 2 441 3-662 6 103 7-324 0-205 0.410 S19.0 0-820 1-025 1230 2,3 1-221 7.324 4, 5 2 441 0 1221 2-44) 7-324 99-8 98-4 L'9 1.324 1-221 2-44 4-883 6 '8 1d A 133
The calculated results are tabulated in the above images

Calculations are done by using the formula stated in the images.