172.70g undisturbed

3
No. Time, t (sec) 1 20 0.3 0.004 2 40 0.38 0.005 3 60 0.6 0.008 4 80 0.9 0.012 5 100 1.2 0.016 6 120 1.5 0.020 7 140 1.8 0.024 8 160 2.07 0.027 9 180 2.35 0.031 10 200 2.64 0.035 11 220 2.9 0.038 12 240 3.15 0.041 13 260 3.45 0.045 14 280 3.69 0.049 15 300 3.95 0.052 16 320 4.23 0.056 17 340 4.46 0.059 18 360 4.73 0.062 19 380 5.01 0.066 20 400 5.65 0.074 21 420 6.25 0.082 22 440 6.55 0.086 23 460 6.87 0.090 Deformation dial, ∆H (mm) Unit strain, ε (mm/mm)

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Sheet1No.Time, t (sec)Deformation dial, H (mm)Unit strain, (mm/mm)Cross-sectional area, A (mm)Providing ring dial (div)Applied axial load, P (kN)Load per unit area (kN/mm)% Strain1200.30.0040.011220.0353.1870.42400.380.0050.011250.0403.6180.53600.60.0080.011370.0595.3390.84800.90.0120.011480.0776.8991.251001.20.0160.011600.0968.5891.661201.50.0200.011720.11510.2662.071401.80.0240.011840.13411.9292.481602.070.0270.011980.15713.8662.791802.350.0310.0111140.18216.0693.1102002.640.0350.0111300.20818.2523.5112202.90.0380.0111450.23220.2863.8122403.150.0410.0111600.25622.3084.1132603.450.0450.0121750.28024.2994.5142803.690.0490.0121870.29925.8794.9153003.950.0520.0122010.32227.7175.2163204.230.0560.0122120.33929.1205.6173404.460.0590.0122200.35230.1225.9183604.730.0620.0122260.36230.8276.2193805.010.0660.0122280.36530.9776.6204005.650.0740.0121250.20016.8307.4214206.250.0820.0121130.18115.0858.2224406.550.0860.0121110.17814.7548.6234606.870.0900.0121080.17314.2899.0