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...stress cracking. All tests shall be conducted in accordance with AASHTO M 294.

|Is the pipe marked (in accordance with AASHTO M 294) with the manufacturer’s name or trademark? '''If No,''' stop; the pipe i |Is the pipe marked (in accordance with AASHTO M 294) with the nominal pipe size? '''If No,''' stop; the pipe is unacceptable. |

...n.org/ ''AASHTO - A Policy on Geometric Design of Highways and Streets''] (AASHTO Green Book) and was developed to establish a uniform method to determine th ...e:''' The values in the above table were calculated using Eqns. 3-2 & 3-3 (AASHTO Green Book), with a brake reaction time of 2.5 sec and a deceleration rate