AASHTO M 176M/M 176-20 covers porous nonreinforced concrete pipe for use in underdrains.This specification agrees with ASTM C 654M-05a and C 654-05a except that the absorption test is limited to the 5-h boil method, the manufacturer is not afforded the option to supply inch-pound sized pipe when the order is placed in SI units, and the use of fibers in Section 6.5 is at the owner’s option.
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AASHTO M 176M/M 176-20
Original price was: $54.00.$27.00Current price is: $27.00.
Standard Specification for Porous Concrete Pipe (ASTM Designation: C654M-05a and C654-05)
American Association of State Highway and Transportation Officials , 2020