AASHTO - American Association of State Highway and Transportation Officials
适用范围
This specification covers reinforced concrete pipe intended to be used for the conveyance of sewage@ industrial wastes@ and storm water@ and for the construction of culverts. NOTE 1??A complete metric companion to Specification M 170 has been developed ?C M 170 M; therefore@ no metric equivalents are presented in this specification. NOTE 2??This specification is a manufacturing and purchase specification only@ and does not include requirement for bedding@ backfill@ or the relationship between earth cover load and the strength classification of pipe. However@ experience has shown that the successful performance of this product depends upon the proper selection of the class of pipe@ type of bedding and backfill@1 controlled manufacture in the plant@ and care in the field construction work. The purchaser of the reinforced concrete pipe specified herein is cautioned that he must properly correlate the field requirements with the class of pipe specified and provide adequate inspection at the construction site. NOTE 3??Attention is called to the specification for reinforced concrete D-load culvert@ storm drain@ and sewer pipe (AASHTO M 242). 1 Agrees with ASTM C 76-84@ except for permitting use of pozzolanic admixtures and limiting absorption testing to the 5-hr. boil method.