Field Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content (2018)

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C-1 Log-Based UCLS Data A P P E N D I X C Pipe Condition Log Specimen Failure Time (hrs.) Log Avg. Avg. COV1 2 3 4 5 1 80°C/650 psi 3.151 3.183 3.203 2.865 3.037 3.088 1224 0.282 80°C/450 psi N/A N/A N/A N/A N/A N/A N/A N/A 70°C/650 psi N/A N/A N/A N/A N/A N/A N/A N/A 2 80°C/650 psi 2.030 1.618 2.108 2.100 1.970 1.965 92.3 0.356 80°C/450 psi N/A N/A N/A N/A N/A N/A N/A N/A 70°C/650 psi N/A N/A N/A N/A N/A N/A N/A N/A 3 80°C/650 psi 1.259 1.196 1.064 1.316 1.093 1.186 15.3 0.244 80°C/450 psi 2.157 2.235 1.898 2.111 2.204 2.121 132.1 0.264 70°C/650 psi 1.837 1.615 2.055 2.198 2.076 1.956 90.4 0.456 4 80°C/650 psi 2.114 1.879 2.100 1.994 1.757 1.969 93.0 0.323 80°C/450 psi 2.889 2.399 2.571 2.846 2.849 2.711 513.7 0.416 70°C/650 psi 2.970 2.820 2.732 2.578 2.545 2.729 535.8 0.415 5 80°C/650 psi 3.228 3.295 3.104 > 3.30 2.901 3.132 1355 0.358 80°C/450 psi > 3.22 > 3.22 > 3.22 > 3.22 > 3.22 > 3.22 N/A N/A 70°C/650 psi > 3.22 > 3.22 > 3.22 > 3.22 > 3.22 > 3.22 N/A N/A 6 80°C/650 psi 1.146 1.342 1.176 1.332 1.389 1.277 18.9 0.239 80°C/450 psi 2.123 2.036 1.735 1.943 2.359 2.039 109.4 0.538 70°C/650 psi 2.055 2.100 2.130 1.449 1.965 1.940 87.0 0.432 7 80°C/650 psi 1.346 1.215 1.332 1.270 1.246 1.282 19.1 0.130 80°C/450 psi 1.936 2.022 2.044 1.542 1.799 1.869 73.9 0.393 70°C/650 psi 1.814 1.491 1.646 1.976 1.715 1.729 53.5 0.422 8 80°C/650 psi 2.130 1.959 1.829 2.242 2.375 2.107 127.9 0.480 80°C/450 psi 3.068 2.839 2.943 2.578 2.533 2.792 619.6 0.503 70°C/650 psi 2.645 2.477 2.709 2.644 2.296 2.554 358.1 0.335 9 80°C/650 psi 1.817 1.957 1.971 1.726 1.682 1.830 67.7 0.298 80°C/450 psi 2.834 2.653 2.481 2.869 3.034 2.774 594.4 0.458 70°C/650 psi 2.812 2.456 2.585 2.554 2.748 2.631 427.5 0.338 Table C-1. Log-based UCLS failure data for test pipes.