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

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Figure 4-12. Stress-Strain Curves from Flexural Testing of Specimens (Denver 8-in. Liner) 34
35 Table 4-9. Comparison of Test Data from TTC and Insituform Tensile Break Tensile Modulus Tensile Elong. Flexural Break Flexural Barcol Strength E at Break Strength Modulus E Hardness (Inner) (psi) (psi) (%) (psi) (psi) Type D 934-1 TTC* Insitu Form TTC Insitu Form TTC Insitu Form TTC Insitu Form TTC Insitu Form TTC Insitu Form TTC Specific Gravity 3,244 2,500 405,111 - 2.0 2 6,316 7,400 331,269 520,000 43 40 1.16 1.19 3,109 2,400 479,861 - 3.5 1 6,329 7,000 310,634 530,000 39 35 - 1.18 2,787 2,100 350,396 - 4.5 1 6,718 6,500 347,401 470,000 39 35 - 1.19 2,785 - 401,369 - 1.5 - 6,170 6,400 322,611 430,000 - 41 - 1.19 3,195 - 400,884 - 3.3 - 7,309 7,300 359,245 520,000 - 39 - 1.19 2,991 - 400,954 - 3.4 - 6,657 - 338,276 - - - - - 3,075 - 389,787 - 2.0 - 7,083 - 319,351 - - - - - 3,204 - 473,405 - 3.5 - 6,412 - 325,894 - - - - - 2,873 - 402,825 - 4.5 - 7,815 - 363,382 - - - - - Mean 3,029 2,333 411,621 - 3.1 1.3 6,757 6,920 335,340 494,000 40 38 1.16 1.19 Std. Dev 179 208 40,548 - 1.1 0.6 546 455 18,186 42,778 4 3 - 0 * The sample that was sent to Insituform was a piece of the host pipe with the liner inside. The liner extended a few inches on each of the host pipe joint. Insitu Form
Page 1 and 2: EPA/600/R-12/004 | January 2012 | w
Page 3 and 4: DISCLAIMER The work reported in thi
Page 5 and 6: ACKNOWLEDGMENTS This report has bee
Page 7 and 8: samples had a flexural modulus valu
Page 9 and 10: CONTENTS DISCLAIMER ...............
Page 11 and 12: 4.3.10.2 Upstream Sample ..........
Page 13 and 14: 9.2.2 Recommendations for Developme
Page 15 and 16: Figure 5-27. Raman Spectra for the
Page 17 and 18: ABBREVIATIONS AND ACRONYMS AMP Asse
Page 19 and 20: 1.0: INTRODUCTION This report forms
Page 21 and 22: 1.2 Organization of the Report Foll
Page 23 and 24: Some sections of a sewer system may
Page 25 and 26: • The depth of the pipe below the
Page 27 and 28: Figure 2-3 highlights the main diff
Page 29 and 30: The most commonly used resins are i
Page 31 and 32: the glass fiber. The tube, which is
Page 33 and 34: 3.0: DEVELOPMENT OF CIPP EVALUATION
Page 35 and 36: • The municipality would be willi
Page 37 and 38: • Measurements and/or physical sa
Page 39 and 40: 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: Table 4-7. Results from Flexural Te
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 and 92: 5.2.12 Flexural Testing. Specimens
Page 93 and 94: Figure 5-14. Flexural Stress-Strain
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
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Overall, the liners appear to be ho
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age difference between the liners i
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Looking for correlations to the low
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A significantly lower range of Shor
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7.0: RECOMMENDED TEST PROTOCOL FOR
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combining this broadly available in
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Table 7-3. Overall Structure for a
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Table 8-2. CIPP and Other Rehabilit
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Table 8-5. Rehabilitation Specifica
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113 Table 8-9. Process Verification
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Göttingen Stadtentwässerung: Göt
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experience and quality, and do not
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km of pipe and 50-year-old pipes ar
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methods are detailed in the Guide t
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The business of pipeline rehabilita
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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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D-3
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D-5
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D-7
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D-9
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D-11
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