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<br /> Table 4 .--Peak strain and calculated stres ses on pipelines <br /> • <br />~~ Shot tleasured weak strains, N in/in Calculated peak stresses, lb/inZ <br /> no.' Longitudinal Circumferential Longitudinal Circumferential <br /> 20-in Pipeline <br /> 1 4.30 5.30 ]91 214 <br /> 2 .73 2.81 51 98 <br /> 3 2.20 2.20 93 93 <br /> 4 1.54 7.98 127 274 <br /> 5 .60 3.62 55 123 <br /> 7 .45 2.50 39 85 <br /> 8 2.94 10.0 105 353 <br /> 9 1.77 6.25 118 220 <br /> I1 24.2 66.4 1430 2390 <br /> 12 26.5 51.3 1360 1920 <br /> 13 1.00 1.71 50 67 <br /> ]6 15.4 8.40 580 422 <br /> 11 4.49 4.22 186 180 <br /> 18 3.36 2.72 135 121 <br /> 19 4.76 10.7 258 393 <br />20 31.1 45.4 1450 1770 <br />25 55.3 43.1 2210 1930 <br /> <br />26 <br />88 <br />87 <br />3700 • <br />3670 <br />27 112 112 4560 4670 <br />29 191 191 9930 8610 <br />30 34 34 1790 1540 <br /> 6-in Pipeline <br />8 1.59 2.08 72 83 <br />11 14.0 39.0 833 1400 <br />]2 31.0 26.7 1260 1170 <br />25 38.8 46.4 1710 1880 <br />27 69 63 2850 2710 <br />' Only shots listed are those with both longitudinal and circumferential strains. <br />All stresses are pseudo two-dimensional maximwns, based on peak strains, regardless <br />of time of occurence. <br />E ~ <br />~] - r ~ ~, ~!] '1 1'!11 <br />C 1 <br />141 <br />