描述[文件摘要]
This standard describes the manufacture of reinforced concrete
cylinder pipe that is not
prestressed or pretensioned, in sizes 30 in. to 144 in. (760 mm to
3,660 mm), inclusive. Larger
sizes have been manufactured based on the concepts of this standard.
This type of pipe is designed
for the internal pressure, external loads, and bedding conditions
designated by the purchaser. This
standard does not include requirements for design, handling, delivery,
laying, field testing, or
disinfection of pipe. Refer to AWWA Manual M9, Concrete Pressure Pipe,
for information on these
topics.
Essential requirements. The pipe shall have the following principal
features: a welded steel
cylinder with steel joint rings welded to its ends; a reinforcing cage
or cages of steel bars,
wire, or welded wire reinforcement; a wall of concrete encasing the
steel cylinder and reinforcing
cage or cages inside and outside of the steel cylinder; and a joint
with a preformed gasket of
rubber, designed so that the joint will be watertight under all
conditions of service.