Retrospective Evaluation of Cured-in-Place Pipe - (NEPIS)(EPA ...

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Table 5-7. Geometric Data for Flexural Test Specimens for Columbus 8-in. Liner Location on Pipe Span (in.) Dimension Moment of Inertia (in. 4 W (in.) D (in.) ) Crown 1 4 0.429 0.244 0.0005193 Crown 2 4 0.5043 0.2117 0.0003987 Crown 3 4 0.525 0.222 0.0004787 Crown 4 4 0.4777 0.2147 0.0003940 Crown 5 4 0.4337 0.2067 0.0003192 Spring line 1 4 0.506 0.2117 0.0004001 Spring line 2 4 0.527 0.2763 0.0009263 Spring line 3 4 0.5147 0.27 0.0008442 Spring line 4 4 0.4933 0.219 0.0004318 Spring line 5 4 0.5057 0.212 0.0004015 Invert 1 4 0.4723 0.2177 0.0004061 Invert 2 4 0.441 0.2173 0.0003771 Invert 3 4 0.462 0.2167 0.0003918 Invert 4 4 0.4437 0.2197 0.0003921 Invert 5 4 0.4747 0.224 0.0004446 Table 5-8. Flexural Test Results for Columbus 8-in. Liner Peak Bending Stress (psi) 74 Peak Shear Stress (psi) Location Peak load Flexural Modulus on Pipe (lb) (psi) Crown 1 23.69 9,019 213 403,627 Crown 2 22.41 8,815 207 388,943 Crown 3 26.89 8,432 247 397,758 Crown 4 23.2 5,509 222 331,615 Crown 5 18.5 4,218 180 310,870 Average - 7,199±2190 214±24 366,563±42,340 SL 1 21.63 7,284 122 311,381 SL 2 38.93 8,224 251 345,226 SL 3 36.01 8,769 247 417,900 SL 4 22.18 3,759 205 266,013 SL 5 23.22 4,074 217 300,069 Average - 6,422±2351 208±52 328,118±57,614 Invert 1 23.93 6,702 220 355,290 Invert 2 21.17 6,575 168 375,527 Invert 3 18.78 7,106 190 403,380 Invert 4 20.45 4,273 199 304,084 Invert 5 23.49 3,478 235 279,070 Average - 5,627±1635 202±26 343,470±51,125 Overall average - 6,416±2038 208±34 346,050±49,748
Figure 5-14. Flexural Stress-Strain Curves for Crown, Spring Line, and Invert Samples (Columbus 8-in. Liner) 75
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EPA/600/R-12/004 | January 2012 | w
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DISCLAIMER The work reported in thi
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ACKNOWLEDGMENTS This report has bee
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samples had a flexural modulus valu
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CONTENTS DISCLAIMER ...............
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4.3.10.2 Upstream Sample ..........
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9.2.2 Recommendations for Developme
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Figure 5-27. Raman Spectra for the
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ABBREVIATIONS AND ACRONYMS AMP Asse
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1.0: INTRODUCTION This report forms
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1.2 Organization of the Report Foll
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Some sections of a sewer system may
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• The depth of the pipe below the
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Figure 2-3 highlights the main diff
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The most commonly used resins are i
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the glass fiber. The tube, which is
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3.0: DEVELOPMENT OF CIPP EVALUATION
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• The municipality would be willi
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• Measurements and/or physical sa
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Table 3-3. Laboratory Evaluation an
Page 41 and 42: 4.1 Introduction 4.0: CITY OF DENVE
Page 43 and 44: Figure 4-1. Images of the Recovered
Page 45 and 46: Sample ID Figure 4-4. Soil Grain Si
Page 47 and 48: Location Table 4-5. Denver 8-in. Li
Page 49 and 50: Profile Plot Red - Steel tube Green
Page 51 and 52: Table 4-7. Results from Flexural Te
Page 53 and 54: 35 Table 4-9. Comparison of Test Da
Page 55 and 56: 4.2.12 Buckling Test. A steel mecha
Page 57 and 58: Figure 4-18. Pressure Gage and Pres
Page 59 and 60: 4.2.13 Shore D Hardness. Durometer
Page 61 and 62: Figure 4-24. Barcol Hardness Readin
Page 63 and 64: increases and the heat of cure decr
Page 65 and 66: In summary, CCTV inspection of thre
Page 67 and 68: Figure 4-28. Thickness for Denver 4
Page 69 and 70: 4.3.6.2 Downstream Sample. Seven sp
Page 71 and 72: Figure 4-34. Flexural Stress-Strain
Page 73 and 74: Table 4-18. Flexural Test Results f
Page 75 and 76: 4.3.8.2 Upstream Sample. Specimens
Page 77 and 78: 4.3.10 Barcol Hardness 4.3.10.1 Dow
Page 79 and 80: 4.3.11.2 Downstream Sample. The Ram
Page 81 and 82: 5.1 Introduction 5.0: CITY OF COLUM
Page 83 and 84: April 16, 2010 The specimen was rec
Page 85 and 86: The resulting gradation curves are
Page 87 and 88: Table 5-4. Soil pH at Designated Lo
Page 89 and 90: Figure 5-8. Average Thickness at Di
Page 91: 5.2.12 Flexural Testing. Specimens
Page 95 and 96: Figure 5-16. Tensile Stress-Strain
Page 97 and 98: 5.2.15 Buckling Test. A mechanical
Page 99 and 100: Figure 5-24. Localized Leak on the
Page 101 and 102: Figure 5-26. Barcol Hardness Readin
Page 103 and 104: 5.3.3 Visual Inspection of Liner. I
Page 105 and 106: Figure 5-32. Ultrasonic Testing for
Page 107 and 108: Table 5-13. Geometric Data for Flex
Page 109 and 110: Figure 5-38. Shore D Hardness of Co
Page 111 and 112: 6.1 Introduction 6.0: REVIEW AND CO
Page 113 and 114: Overall, the liners appear to be ho
Page 115 and 116: age difference between the liners i
Page 117 and 118: Looking for correlations to the low
Page 119 and 120: A significantly lower range of Shor
Page 121 and 122: 7.0: RECOMMENDED TEST PROTOCOL FOR
Page 123 and 124: combining this broadly available in
Page 125 and 126: Table 7-3. Overall Structure for a
Page 127 and 128: Table 8-2. CIPP and Other Rehabilit
Page 129 and 130: Table 8-5. Rehabilitation Specifica
Page 131 and 132: 113 Table 8-9. Process Verification
Page 133 and 134: Göttingen Stadtentwässerung: Göt
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• Destructive testing (but will n
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In Denver, in CCTV inspections of n
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9.2 Recommendations for Future Work
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Falter, B. 1996. “Structural Anal
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Lehmann, M.A, J.P. Schroeder and C.
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APPENDIX A LIST OF TEST STANDARDS R
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The following table lists the non-A
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B.1 Introduction This study was con
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Mean thickness values for each cont
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APPENDIX C INTERNATIONAL STUDY INTE
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The original Insituform liner insta
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However, the figures published by O
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exfiltration and infiltration. Any
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STW uses CIPP for virtually all of
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method. Top hat repairs to junction
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All design and construction supervi
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Process verification test samples a
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consultant born out of the corporat
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BW continues to use CIPP, mainly in
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East, but has not yet had marked su
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D-1
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