Combined Stress Strain Curve Stress Strain Curve 2000 1800 1600 1400 1200 1000 800 600 400 200 0 -0.05 0 0.05 Strand 0.1 H.T Wire 0.15 0.2 Deformed Bar 0.25 Deformed Bar Force (KN) 5 10 15 20 25 30 35 40 50 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 189.5 Stress(Mpa) 17.55134 35.10269 52.65403 70.20538 87.75672 105.3081 122.8594 140.4108 175.5134 210.6161 228.1675 245.7188 263.2702 280.8215 298.3729 315.9242 333.4755 351.0269 368.5782 386.1296 403.6809 421.2323 438.7836 456.335 473.8863 491.4376 508.989 526.5403 544.0917 561.643 579.1944 596.7457 614.2971 631.8484 649.3997 665.196 Extensometer reading 1 4 8 11 15 18 21 26 34 42 46 51 56 61 64 70 74 78 81 85 91 95 99 102 108 112 132 Extension(mm) 0.001 0.004 0.008 0.011 0.015 0.018 0.021 0.026 0.034 0.042 0.046 0.051 0.056 0.061 0.064 0.07 0.074 0.078 0.081 0.085 0.091 0.095 0.099 0.102 0.108 0.112 0.132 2 3 3.5 4 4.5 5 10 11 Strain 0.00002 0.00008 0.00016 0.00022 0.0003 0.00036 0.00042 0.00052 0.00068 0.00084 0.00092 0.00102 0.00112 0.00122 0.00128 0.0014 0.00148 0.00156 0.00162 0.0017 0.00182 0.0019 0.00198 0.00204 0.00216 0.00224 0.00264 0.04 0.06 0.07 0.08 0.09 0.1 0.2 0.22 Comments Yield Point Ultimate stress High Tension Wire Force (KN) 4 6 8 10 12 14 16 18 20 22 24 26 28 30 31 31.5 32 32.5 Stress(MPa) 195.907 293.8605 391.814 489.7675 587.721 685.6745 783.6281 881.5816 979.5351 1077.489 1175.442 1273.396 1371.349 1469.303 1518.279 1542.768 1567.256 1591.744 Extensometer Reading 24 50 96 132 165 195 213 265 300 340 380 425 500 Extension 0.024 0.05 0.096 0.132 0.165 0.195 0.213 0.265 0.3 0.34 0.38 0.425 0.5 1.5 2 3 3.5 4 Strain 0.00048 0.001 0.00192 0.00264 0.0033 0.0039 0.00426 0.0053 0.006 0.0068 0.0076 0.0085 0.01 0.03 0.04 0.06 0.07 0.08 Comments Yielding Ultimate Strand Load (Kg) Stress ( MPa) 1880 186.8392 Extensometer reading 12 4000 397.5302 6000 Extension Strain 0.012 0.00024 35 0.035 0.0007 596.2953 75 0.075 0.0015 8000 795.0604 120 0.12 0.0024 10000 993.8255 165 0.165 0.0033 12000 1192.591 215 0.215 0.0043 13000 1291.973 240 0.24 0.0048 14000 1391.356 265 0.265 0.0053 15000 1490.738 300 0.3 0.006 16000 1590.121 335 0.335 0.0067 17000 1689.503 395 0.395 0.0079 17400 1729.256 462 0.462 0.00924 Comments