The National Academies Press

Currently Skimming:

Appendix H - Proposed Draft Standard Specification for Corrugated Polyethylene Drainage Pipe Containing Recycled Polyethylene, 75- to 250-mm Diameter
Pages 94-108

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.

From page 94... ... H-1 A P P E N D I X H Proposed Draft Standard Specification for Corrugated Polyethylene Drainage Pipe Containing Recycled Polyethylene, 75- to 250-mm Diameter Read the entire page →
From page 95... ... ASTM Standards : D618, Method for Conditioning Plastics and Electrical Insulating Materials for Testing D638, Test Method for Tensile Properties of Plastics D792, Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement Read the entire page →
From page 96... ... – Polyethylene that has been discarded by consumers after use, then collected, cleaned, and washed. The density is greater than 0.940 g/cm3 and typical sources include primarily bottles and some bags. Read the entire page →
From page 97... ... ; 5.1.3. Diameter and length required, either total length or length of each piece and number of pieces; Note 2 -- Type C and CP pipe less than 200 mm in diameter may be supplied coiled; coiling of Type C and CP pipe 200 mm in diameter or greater is not recommended; Type S and SP pipe is not supplied in coils. Read the entire page →
From page 98... ... Required properties for corrugated polyethylene pipe containing recycled polyethylene. Property Test Method Required Value Density ASTM D1505 ASTM D792 0.948 a g/cm Melt Index ASTM D1238 190°C/2.16 Kg <0.6 g/10 min % Carbon Black ASTM D4218 2-4 % % Ash ASTM D5603 <0.75 % % PP DSC Section 7.6 <7.5 % Yield Stress ASTM D63 8 b >3500 psi Break Strain ASTM D63 8 c >100 % pipe NCLS Stress- Crack Test ASTM F2136 >15 h pipe OIT ASTM D3895 25 min d a Correct for carbon black by D cor = D – 0.0044C, where C is % carbon black. Read the entire page →
From page 99... ... 6.1.4. Injection Molded Fittings and Couplings – Fittings and couplings shall be made of virgin PE resins meeting the requirements of ASTM D3350 and cell classification 314420C, except that the carbon black content shall not exceed five percent. Read the entire page →
From page 100... ... The distance of the centerlines of the uppermost rows above the bottom of the invert, and the inside chord lengths of the unperforated segments illustrated in Figure 1 shall be as specified in Table 2. All measurements shall be made in accordance with Section 9.13.3. Read the entire page →
From page 101... ... Maximum perforation dimensions. Slotted Holes Nominal Pipe Diameter, mm Drilled Hole Diameter, mm Width, mm Length, mm 75 4.75 3 25 100 4.75 3 25 150 4.75 3 25 200 6.25 3 30 250 8.00 3 30 7.5. Read the entire page →
From page 102... ... of 240 kPa at five percent deflection; and Type S pipe, as described in Section 4.1.2, shall have a minimum pipe stiffness (PS) of 340 kPa at 5 percent deflection when tested in accordance with Section 9.10. Read the entire page →
From page 103... ... Make three separate determinations using separate portions of a plaque. The plaque thickness shall be 1.9 0.08 mm (0.075 .003 in.) Read the entire page →
From page 104... ... See Figure 2. Figure 2 DSC curve of HDPE containing PP generated. Read the entire page →
From page 105... ... . Test five replicates and report the average and standard deviation. Read the entire page →
From page 106... ... Note 6 -- The parallel plates must exceed the length of the test specimen as specified above. Note 7 -- Additional pipe specimens may be tested at other orientations for pipe stiffness and flattening if desired. Read the entire page →
From page 107... ... Joint Integrity – This test is limited to only Type C and Type CP pipe supplied in coils. Assemble couplings to appropriate pipe in accordance with the manufacturer's recommendations. Read the entire page →
From page 108... ... If a date code is used, a durable manufacturer sticker that identifies the actual date of manufacture shall be adhered to the inside of each length of pipe. Note 8 -- A durable sticker is one that is substantial enough to remain in place and be legible through installation of the pipe. Read the entire page →

From page 94...

... H-1 A P P E N D I X H Proposed Draft Standard Specification for Corrugated Polyethylene Drainage Pipe Containing Recycled Polyethylene, 75- to 250-mm Diameter

Appendix H - Proposed Draft Standard Specification for Corrugated Polyethylene Drainage Pipe Containing Recycled Polyethylene, 75- to 250-mm Diameter Pages 94-108

Appendix H - Proposed Draft Standard Specification for Corrugated Polyethylene Drainage Pipe Containing Recycled Polyethylene, 75- to 250-mm Diameter
Pages 94-108