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1. Deformation
Dial
Deformation
▲L (mm)
Proving Ring
Dial
Compressive
Strength,
P
(kN)
Strain, ε
(%)
Corrected
Area, A
(mm²)
Compressive
Stress,
σ (kN/m²)
0 0 10 0.063 0 0 0
25 0.05 20 0.126 0.0678 1193.02 1.3967
125 0.25 30 0.189 0.3390 1982.51 1.3953
135 0.27 40 0.252 0.3661 1754.44 4.1817
142 0.284 50 0.315 0.3851 1808.65 6.6926
165 0.33 60 0.378 0.4477 2012.55 11.1289
249 0.50 70 0.441 0.6780 3453.84 18.0663
349 0.698 80 0.504 0.9464 4235.76 27.7663
453 0.906 90 0.567 1.2285 5678.76 29.1253
563 1.126 100 0.63 1.5268 5886.64 36.0236
705 1.41 110 0.693 1.9119 5934.75 41.5237
766 1.532 120 0.759 2.0773 6075.32 47.0127
816 1.632 130 0.819 2.2129 6235.76 52.4904
820 1.64 140 0.882 2.2237 6437.09 60.7169
860 1.72 150 0.945 2.3322 6678.76 66.1695
880 1.76 160 1.008 2.3864 6888.08 71.6109

2. 894 1.788 170 1.071 2.4244 7089.67
299 0.60 180 1.134 0.8136 7286.76
745 1.49 190 1.197 2.0203 7436.76