Buried Pipe Design, 2nd Edition

Other Thermoplastic Pipes

In addition to the thermoplastic piping materials discussed previously, there are other types of thermoplastic piping materials which are used to a lesser degree. These materials include polybutylene (PB), cellulose acetate butyrate (CAB), and styrene-rubber (SR). A selected list of standards for these materials is given in Tables 7.26, 7.27, and 7.28. The design techniques which are used for thermoplastics such as PVC can also be applied to these thermoplastic materials. The design engineer should obtain necessary design parameters such as the hydrostatic-design stress and pipe stiffness for the particular pipe and material. These parameters may be used in design equations discussed previously.

Table 7.26: Selected Standards for Polybutylene

ASTM F 809

Large-Diameter Polybutylene Plastic Pipe

ASTM F 809M

Large-Diameter Polybutylene Plastic Pipe (Metric)

ASTM F 845

Plastic Insert Fittings for Polybutylene (PB) Tubing

ASTM D 2662

Polybutylene Plastic Pipe (SDR-PR)

ASTM D 3000

Polybutylene Plastic Pipe (SDR-PR) Based on Outside Diameter

ASTM D 2666

Polybutylene Plastic Tubing

AWWA C902

Polybutylene Pressure Pipe, Tubing, and Fitting, in through 3 in, for Water

Table 7.27: Selected Standards for CAB

ASTM D 2446

Cellulose-Acetate-Butyrate-Plastic Pipe (SDR-PR) and Tubing

ASTM D 1503

Cellulose-Acetate-Butyrate Plastic Pipe, Schedule 40

ASTM D 2560

Solvent, Cements for Cellulose-Acetate-Butyrate Plastic Pipe, Tubing, and Fittings

Table 7.28: Selected Standards for Styrene-Rubber (SR) Pipe

ASTM D 3122

Solvent Cements for Styrene-Rubber Plastic Pipe and Fittings

ASTM D 3298

Styrene-Rubber Plastic Drain Pipe, Perforated

ASTM D 2852

Styrene-Rubber Plastic Drain Pipe and Fittings

Example 7.16: Brittle behavior

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