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

Chapter: Appendix H - Additional Data from SEPTA Railroad Field Test

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Suggested Citation:"Appendix H - Additional Data from SEPTA Railroad Field Test." National Academies of Sciences, Engineering, and Medicine. 2018. Field Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content. Washington, DC: The National Academies Press. doi: 10.17226/24934.
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Suggested Citation:"Appendix H - Additional Data from SEPTA Railroad Field Test." National Academies of Sciences, Engineering, and Medicine. 2018. Field Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content. Washington, DC: The National Academies Press. doi: 10.17226/24934.
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Suggested Citation:"Appendix H - Additional Data from SEPTA Railroad Field Test." National Academies of Sciences, Engineering, and Medicine. 2018. Field Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content. Washington, DC: The National Academies Press. doi: 10.17226/24934.
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H-1 Additional Data from SEPTA Railroad Field Test A P P E N D I X H -4500 -4000 -3500 -3000 -2500 -2000 -1500 -1000 -500 St ra in (m ic ro st ra in ) D efl ec ti on (i n) Time (s) SG 6V - 180 deg. Liner SG 5V - 270 deg. Liner SG 7V - 90 deg. Liner SG 3V - 315 deg. Liner SG 2V - 0 deg. Liner SG 4V - 270 deg. Crown SG 8V - 45 deg. Liner SG 1V - 0 deg. Crown -0.250 -0.200 -0.150 -0.100 -0.050 0.000 Time (s) SP1V - Vertical SP3V - Diagonal 45-225 SP4V - Diagonal 135-315 SP2V - Horizontal 8.00 10.00 12.00 14.00 8.00 10.00 12.00 14.00 Figure H-1. Strain and deflection data for Pipe 1 (virgin) - 10/24/13. SP1R - Vertical SP3R - Diagonal 45-225 SP4R - Diagonal 135-315 SP2R - Horizontal D efl ec ti on (i n) -0.250 -0.200 -0.150 -0.100 -0.050 0.000 -4500 -4000 -3500 -3000 -2500 -2000 -1500 SG 7R - 270 deg. Liner SG 5R - 90 deg. Liner SG 4R - 90 deg. Crown SG 1R - 0 deg. Crown SG 6R - 180 deg. Liner SG 2R - 0 deg. Liner SG 8R - 315 deg. Liner St ra in (m ic ro st ra in ) Time (s) 0.00 2.00 4.00 6.00 8.00 Time (s) 0.00 2.00 4.00 6.00 8.00 Figure H-2. Strain and deflection data for Pipe 2 (49% PCR) - 10/24/13.

H-2 -6500 -5500 -4500 -3500 -2500 -1500 -500 St ra in (m ic ro st ra in ) SG1-V - 0 Deg. Crown SG2-V - 0 Deg. Liner SG3-V - 315 Deg. Liner SG4-V - 270 Deg. Crown SG5-V - 270 Deg. Liner SG6-V - 180 Deg. Liner SG7-V - 90 Deg. Liner SG8-V - 45 Deg. Liner -0.300 -0.250 -0.200 -0.150 -0.100 -0.050 0.000 D efl ec ti on (i n) Time (s)Time (s) SP1-V - Vertical SP2-V - Horizontal SP3-V - Diagonal 45-225 SP4-V - Diagonal 135-315 0.00 0.50 1.00 1.50 2.00 2.50 3.00 0.00 0.50 1.00 1.50 2.00 2.50 3.00 Figure H-3. Strain and deflection data for Pipe 1 (virgin) live load event - 12/19/2013. -6000 -5500 -5000 -4500 -4000 -3500 -3000 St ra in (m ic ro st ra in ) Time (sec) SG1-R - 0 Deg. Crown SG2-R - 0 Deg. Liner SG4-R - 90 Deg. Crown SG6-R - 180 Deg. Liner SG7-R - 270 Deg. Liner SG8-R - 315 Deg. Liner -0.250 -0.200 -0.150 -0.100 -0.050 0.000 D efl ec ti on (i n) Time (s) SP1-R - Vertical SP2-R - Horizontal SP3-R - Diagonal 45-225 SP4-R - Diagonal 135-315 20.00 22.50 24.00 26.00 28.00 30.00 20.00 22.50 24.00 26.00 28.00 30.00 Figure H-4. Strain and deflection data for Pipe 2 (49% PCR) live load event - 12/19/2013. -3000 -2500 -2000 -1500 -1000 -500 0 St ra in (m ic ro st ra in ) Time (s) SG1-V - 0 Deg. Crown SG2-V - 0 Deg. Liner SG3-V - 315 Deg. Liner SG4-V - 270 Deg. Crown SG5-V - 270 Deg. Liner SG6-V - 180 Deg. Liner SG7-V - 90 Deg. Liner SG8-V - 45 Deg. Liner 26.00 28.00 30.00 32.00 34.00 36.00 38.00 -0.250 -0.200 -0.150 -0.100 -0.050 -0.000 0.050 D efl ec ti on (i n) Time (s) SP1-V - Vertical SP2-V - Horizontal SP3-V - Diagonal 45-225 SP4-V - Diagonal 135-315 26.00 28.00 30.00 32.00 34.00 36.00 38.00 Figure H-5. Strain and deflection data for Pipe 1 (virgin) live load event – 6/26/14.

H-3 -5000 -4500 -4000 -3500 -3000 -2500 -2000 St ra in (m ic ro st ra in ) Time (sec) SG1-R - 0 Deg. Crown SG2-R - 0 Deg. Liner SG4-R - 90 Deg. Crown SG5-R - 90 Deg. Liner SG7-R - 270 Deg. Liner SG8-R - 315 Deg. Liner -0.140 -0.130 -0.120 -0.110 -0.100 -0.090 -0.080 -0.070 -0.060 -0.050 -0.040 D efl ec ti on (i n) Time (s) SP1-R - Vertical SP2-R - Horizontal SP3-R - Diagonal 45-225 SP4-R - Diagonal 135-315 48.00 50.00 52.00 54.00 56.00 48.00 50.00 52.00 54.00 56.00 60.00 Figure H-8. Strain and deflection data for Pipe 2 (49% PCR) live load event - 6/10/15. -4500 -4000 -3500 -3000 -2500 -2000 St ra in (m ic ro st ra in ) Time (sec) SG1-R - 0 Deg. Crown SG2-R - 0 Deg. Liner SG4-R - 90 Deg. Crown SG5-R - 90 Deg. Liner SG7-R - 270 Deg. Liner SG8-R - 315 Deg. Liner -0.160 -0.140 -0.120 -0.100 -0.080 -0.060 -0.040 -0.020 0.000 D efl ec ti on (i n) Time (s) SP1-R - Vertical SP2-R - Horizontal SP3-R - Diagonal 45-225 SP4-R - Diagonal 135-315 23.00 25.00 25.00 25.00 25.00 33.00 35.00 37.00 23.00 28.00 33.00 Figure H-6. Strain and deflection data for Pipe 2 (49% PCR) live load event - 6/26/14. -3500 -3000 -2500 -2000 -1500 -1000 -500 0 St ra in (m ic ro st ra in ) Time (s) SG1-V - 0 Deg. Crown SG2-V - 0 Deg. Liner SG3-V - 315 Deg. Liner SG4-V - 270 Deg. Crown SG5-V - 270 Deg. Liner SG6-V - 180 Deg. Liner SG7-V - 90 Deg. Liner SG8-V - 45 Deg. Liner -0.200 -0.150 -0.100 -0.050 0.000 0.050 D efl ec ti on (i n) Time (s) SP1-V - Vertical SP2-V - Horizontal SP3-V - Diagonal 45-225 SP4-V - Diagonal 135-315 6.00 8.00 10.00 12.00 14.00 16.00 18.00 6.00 10.00 15.00 20.00 Figure H-7. Strain and deflection data for Pipe 1 (virgin) live load event - 6/10/15.

Next: Appendix I - Heat Generation in Cyclical Fatigue Test »
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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 870: Field Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content explores the use of corrugated high density polyethylene (HDPE) pipe manufactured with recycled content and proposes guidelines for manufacturing these pipes to ensure they meet the service life requirements for the given application. This project expounded on the research published in NCHRP Report 696. The research consisted of manufacturing several large diameter corrugated HDPE pipes out of various blends of virgin and post-consumer recycled (PCR) materials commonly used in land drainage applications and evaluating these pipes in the field and laboratory to determine their service life in typical installed conditions. PCR materials were the focus of this project as they are more readily available and typically used in the corrugated HDPE pipe industry than post industrial recycled materials. However, the research is applicable to both types.

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