Stress step P (N) (N/mm²) Ϭ 0 0 0 0 0 1 4000 190.304 21.019 0.02 2 8000 190.304 42.038 0.04 3 12000 190.304 63.057 0.062 4 16000 190.304 84.076 0.081 5 20000 190.304 105.095 0.101 6 24000 190.304 126.114 0.125 7 28000 190.304 147.133 0.143 8 32000 190.304 168.152 0.163 9 36000 190.304 189.171 0.187 10 40000 190.304 210.191 0.202 11 44000 190.304 231.210 0.218 12 48000 190.304 252.229 0.227 13 52000 190.304 273.248 0.238 14 56000 190.304 294.267 0.249 15 60000 190.304 315.286 0.252 16 64000 190.304 336.305 0.27 17 68000 190.304 357.324 0.285 18 72000 190.304 378.343 0.292 19 76000 190.304 399.362 0.3 20 80000 190.304 420.381 0.312 21 84000 190.304 441.400 0.323 22 88000 190.304 462.419 0.333 23 92000 190.304 483.438 0.346 24 96000 190.304 504.457 0.354 25 100000 190.304 525.476 0.365 26 104000 190.304 546.495 0.376 27 108000 190.304 567.514 0.393 28 112000 190.304 588.533 0.403 29 116000 190.304 609.552 0.414 30 120000 190.304 630.572 0.427 31 124000 190.304 651.591 0.433 32 128000 190.304 672.610 0.441 33 132000 190.304 693.629 0.453 34 136000 190.304 714.648 0.464 35 140000 190.304 735.667 0.474 36 144000 190.304 756.686 0.484 37 148000 190.304 777.705 0.494 A=π×r^2 Gauge indication (mm)

Ribbed Steel Bar

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this is the tensile test of a ribbed bar

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Stress step P (N) Ϭ (N/mm²) ∆l

0 0 0 0 0 0.001 4000 190.304 21.019 0.02 0.012 8000 190.304 42.038 0.04 0.023 12000 190.304 63.057 0.062 0.034 16000 190.304 84.076 0.081 0.045 20000 190.304 105.095 0.101 0.056 24000 190.304 126.114 0.125 0.067 28000 190.304 147.133 0.143 0.078 32000 190.304 168.152 0.163 0.089 36000 190.304 189.171 0.187 0.09

10 40000 190.304 210.191 0.202 0.1011 44000 190.304 231.210 0.218 0.1112 48000 190.304 252.229 0.227 0.1113 52000 190.304 273.248 0.238 0.1214 56000 190.304 294.267 0.249 0.1215 60000 190.304 315.286 0.252 0.1316 64000 190.304 336.305 0.27 0.1417 68000 190.304 357.324 0.285 0.1418 72000 190.304 378.343 0.292 0.1519 76000 190.304 399.362 0.3 0.1520 80000 190.304 420.381 0.312 0.1621 84000 190.304 441.400 0.323 0.1622 88000 190.304 462.419 0.333 0.1723 92000 190.304 483.438 0.346 0.1724 96000 190.304 504.457 0.354 0.1825 100000 190.304 525.476 0.365 0.1826 104000 190.304 546.495 0.376 0.1927 108000 190.304 567.514 0.393 0.2028 112000 190.304 588.533 0.403 0.2029 116000 190.304 609.552 0.414 0.2130 120000 190.304 630.572 0.427 0.2131 124000 190.304 651.591 0.433 0.2232 128000 190.304 672.610 0.441 0.2233 132000 190.304 693.629 0.453 0.2334 136000 190.304 714.648 0.464 0.2335 140000 190.304 735.667 0.474 0.2436 144000 190.304 756.686 0.484 0.2437 148000 190.304 777.705 0.494 0.25

A=π×r^2 Gauge indication (mm)

38 152000 190.304 798.724 0.509 0.2539 156000 190.304 819.743 0.518 0.2640 160000 190.304 840.762 0.53 0.2741 164000 190.304 861.781 0.542 0.2742 168000 190.304 882.800 0.551 0.2843 172000 190.304 903.819 0.569 0.2844 176000 190.304 924.838 0.595 0.3045 180000 190.304 945.857 0.617 0.3146 184000 190.304 966.876 0.645 0.3247 188000 190.304 987.895 0.67 0.3448 192000 190.304 1008.914 0.699 0.35

l.0 Ɛ (%)

0.00 0.00100.00 0.01100.00 0.02100.00 0.03100.00 0.04100.00 0.05100.00 0.06100.00 0.07100.00 0.08100.00 0.09100.00 0.10100.00 0.11100.00 0.11100.00 0.12100.00 0.12100.00 0.13100.00 0.14100.00 0.14100.00 0.15100.00 0.15100.00 0.16100.00 0.16100.00 0.17100.00 0.17100.00 0.18100.00 0.18100.00 0.19100.00 0.20100.00 0.20100.00 0.21100.00 0.21100.00 0.22100.00 0.22100.00 0.23100.00 0.23100.00 0.24100.00 0.24100.00 0.25