พลาสติก
เอกสารมาตรฐาน
สหรัฐอเมริกา
AASHTO
M 326-18 (2022)
Polyethylene (PE) Liner Pipe, 300- to 1600-mm Diameter, Based on Controlled Outside Diameter
2018 (2022)
11
HM42-2022 part 1
This specification covers the requirements and methods of tests for outside diameter dimension controlled polyethylene liner pipe (PE liner pipe), jointing, and fittings for use in pipe relining and culvert rehabilitation for industrial wastes, sanitary sewer, and surface and subsurface drainage applications ...