NCHRP Report 696: Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content
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NCHRP Report 696:
Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content
(2011)
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Overview

Authors

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 696: Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content provides potential specifications for corrugated drainage pipe manufactured with recycled high-density polyethylene (HDPE). The report includes proposed draft specifications for recycled HDPE, formulations of virgin and recycled HDPE, and drainage pipe containing recycled HDPE.

The following three appendixes of NCHRP 696 are available in electronic format only.

• Appendix B: Recycled Polyethylene Resins

• Appendix C: Recycled-Resin Blends

• Appendix D: Pipe Containing Recycled HDPE

Topics

  • Transportation — Highways
  • Transportation — Bridges and Other Structures
  • Transportation — Hydraulics and Hydrology
  • Transportation — Materials

Publication Info

141 pages | 8.5 x 11
Contents

Table of Contents

skim chapter
Front Matter i-xi
Summary 1-2
Chapter 1 - Introduction 3-3
Short-Term Properties 4-4
Service Lifetime of PE 5-7
The SIM for Predicting Creep and Creep Rupture (Stage I) Properties 8-11
The FL-DOT Junction Test 12-12
The Long-Term Oxidation (Stage III) Resistance 13-13
Specifications 14-14
Post-Industrial Recycled Polyethylene 15-15
Post-Consumer Recycled High-Density Polyethylene 16-16
PCR Mixed-Color Resin 17-17
The Effects of Contamination 18-18
The Effects of Melt Filtration 19-20
The Effect of Silicone Rubber 21-23
Phase 2 - Recycled-Resin Blends 24-25
Blends Made with Mixed-Color PCR 26-27
Blends Made with Natural PCR 28-29
Blends Made with PIR-HD 30-31
Index Test Results 32-33
Stress-Crack Test Results 34-36
Long-Term Tensile Strength by SIM 37-39
Long-Term Creep Strain and Modulus by SIM 40-40
Long-Term Stress-Crack Resistance 41-41
Combined SIM (Stage I) and BFF (Stage II) Service-Lifetime Estimates 42-44
The BFF Test for QC 45-45
Designing Pipe with Recycled Content 46-46
Proposed Draft Specifications 47-48
Phase 2 - Recycled PE Blends 49-49
Phase 3 - Pipe Made from Recycled-Resin Blends 50-53
References 54-54
Appendix A - Procedures and Test Methods 55-55
A.2.4 Percentage Black/Color + Ash (ASTM D4218) 56-56
A.2.6 Percentage Polypropylene (TRI Method) 57-58
A.2.8 Flexural Modulus (ASTM D790) 59-59
A.3.2 BAM Stress-Crack Test (TRI Method) 60-61
A.3.3 BFF Test (TRI Method) 62-62
A.3.4 Junction Test (FDOT FM 5-572) 63-63
A.4.1 Stepped Isothermal Method (SIM) For Long-Term Creep Modulus and Strain (ASTM D6992) 64-64
A.4.3 BFF Test for Long-Term Stress Crack Resistance (TRI Method) 65-68
Appendix D - Pipe Containing Recycled HDPE 69-69
Appendix E - Proposed Draft Standard Specification for PCR MCR High-Density PE Bottles for Use in AASHTO-Approved Corrugated Drainage Pipe 70-76
Appendix F - Proposed Draft Standard for Recycled Content Containing HDPE Resin Formulations for Corrugated Pipe Made to AASHTO Standard M252-Recycled 77-84
Appendix G - Proposed Draft Standard Specification for Recycled Content Containing HDPE Resin Formulations for Corrugated Pipe Made to AASHTO Standard M294-Recycled 85-93
Appendix H - Proposed Draft Standard Specification for Corrugated Polyethylene Drainage Pipe Containing Recycled Polyethylene, 75- to 250-mm Diameter 94-108
Appendix I - Proposed Draft Standard Specification for Corrugated Polyethylene Drainage Pipe Containing Recycled Polyethylene, 300- to 1,500-mm Diameter 109-129
Abbreviations used without definitions in TRB publications 130-130

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