Page 9 - Buried Pipe Design
P. 9
Contents vii
Design Bases 198
Rigid pipes 198
Flexible pipes 201
Thrust restraint 238
Safety factors 243
References 244
Chapter 5. Rigid Pipe Products 247
Asbestos-Cement Pipe 247
Clay Pipe 257
Concrete Pipe 260
Prestressed concrete cylinder pipe 260
Reinforced concrete cylinder pipe 263
Reinforced concrete noncylinder pipe 264
Pretensioned concrete cylinder pipe 265
AWWA Design of Reinforced Concrete Pressure Pipe 265
Design procedure 266
Design procedure for rigid pipe (AWWA C300 and C302 types) 266
Design procedure for AWWA C303 type of pipe 267
Lined-cylinder pipe 270
Embedded-cylinder pipe 271
Indirect Methods 272
Three-Edge Bearing Design Criteria 273
The Direct Method 275
Design Strengths for Concrete Pipes 278
Soil-Pipe Interaction Design and Analysis (SPIDA) 281
References 282
Chapter 6. Steel and Ductile Iron Flexible Pipe Products 285
Steel Pipe 285
Corrugated steel pipes 285
Tests on spiral ribbed pipe 302
Tests on low stiffness ribbed steel pipe 309
AISI Handbook 327
AWWA M11, Steel Pipe—A Guide for Design and Installation 330
Ductile Iron Pipe 336
Testing of ductile-iron pipe 342
Methods of design 365
Prequalification Testing of Pipes Used in Underground
Heating Distribution Systems 368
Introduction 368
Test protocol 368
References 384
Chapter 7. Plastic Flexible Pipe Products 387
Thermoplastic Pipe Materials 387
Polyvinyl chloride 387
Long-term stress relaxation and strain limit testing of PVC pipes 397
Frozen-in stresses 415
PVC pressure pipe 418
Evaluation of PVC pipe performance 432
