Buried Pipe Design by Moser, A.P. -- Read -- Imperial Library of Trantor

Index

Cover Page Buried Pipe Design Copyright Page Contents Preface Acknowledgments Chapter 1 Introduction and Overview

Soil Mechanics Strength of Materials Pipe Hydraulics Water Systems Wastewater Systems Design for Value References

Chapter 2 External Loads

Soil Pressure

Rigid pipe Flexible pipe

Longitudinal Loading

Nonuniform bedding support Differential settlement Ground movement

Wheel Loading (Live Loads)

Boussinesq solution Highway and railway loads Aircraft loads Minimum soil cover

Soil Subsidence Loads due to Temperature Rise Seismic Loads

Wave passage Permanent ground deformation

Frost Loading Loads due to Expansive Soils Flotation

Soil wedge Liquefaction Soil bearing Internal vacuum

References

Chapter 3 Design of Gravity Flow Pipes

Soils

Soil classes Soil-pipe interaction Embedment Compacting techniques

Trench Width

Wheel loads Water table Soil particle migration Voids in the embedment Heavy equipment

Rigid Pipe Analysis

Three-edge bearing strength Bedding factors and classifications Installation design

Flexible Pipe Analysis

Installation design Spangler’s Iowa formula Use of the constrained soil modulus for flexible pipe design Deflection lag and creep Watkins’s soil-strain theory Empirical method

Pipe Design Criteria

Performance limits Safety factors

Parallel Pipes and Trenches

Rigid pipes Safety factors Parallel trench Vertical trench walls Sloped trench walls Excavation

Analytical Methods for Predicting Performance of Buried Flexible Pipes

Introduction Flexible pipe design and analysis Methods for predicting pipe performance Conclusions

Finite Element Methods

Introduction A general description of FEA solutions for buried pipe PIPE5 analysis procedure Example applications Summary and conclusions

References

Chapter 4 Design of Pressure Pipes

Pipe Wall Stresses and Strains

Hydrostatic pressure Surge pressure External loads Combined loading Longitudinal stresses

Design Bases

Rigid pipes Flexible pipes Cyclic life of plastics

Design procedure

Strains induced by combined loading in buried pressurized flexible pipe

Conclusions

Thrust restraint Safety factors

References

Chapter 5 Rigid Pipe Products

Asbestos-Cement Pipe Clay Pipe Concrete Pipe

Prestressed concrete cylinder pipe Reinforced concrete cylinder pipe Reinforced concrete noncylinder pipe Pretensioned concrete cylinder pipe

AWWA Design of Reinforced Concrete Pressure Pipe

Design procedure Design procedure for rigid pipe (AWWA C300 and C302 types) Design procedure for AWWA C303 type of pipe Lined-cylinder pipe Embedded-cylinder pipe

Indirect Methods Three-Edge Bearing Design Criteria The Direct Method Design Strengths for Concrete Pipes Soil-Pipe Interaction Design and Analysis (SPIDA) References

Chapter 6 Steel and Ductile Iron Flexible Pipe Products

Steel Pipe

Corrugated steel pipes Conclusions

Tests on spiral ribbed pipe

Tests on low stiffness ribbed steel pipe Description of pipes tested Test results

AISI Handbook

AWWA M11, Steel Pipe—A Guide for Design and Installation

Ductile Iron Pipe

Testing of ductile-iron pipe Methods of design

Prequalification Testing of Pipes Used in Underground Heating Distribution Systems

Introduction Test protocol

References

Chapter 7 Plastic Flexible Pipe Products

Thermoplastic Pipe Materials

Polyvinyl chloride Long-term stress relaxation and strain limit testing of PVC pipes Frozen-in stresses PVC pressure pipe Evaluation of PVC pipe performance

Conclusions

Polyethylene (PE) Pipes

Handling factor Long-term ductility of polyethylene materials The ESCR test The HDB requirement for PE The NCTL test Structural performance of buried profile-wall HDPE pipe Performance limits and preliminary design recommendations for profile-wall HDPE pipes

Acrylonitrile-Butadiene-Styrene Pipes Other Thermoplastic Pipes Thermoset Plastic Pipe

Reinforced thermosetting resin pipe

References

Chapter 8 Pipe Installation and Trenchless Technology

Introduction Transportation Trenching Dewatering Pipe Installation Making the Joint Thrust Blocks. (See Chap. 4.) Pipe-Zone Soil. (See Chaps. 2 and 3.) Bedding and Backfill Embedment Density Safety Procedures for Construction and Related Activities

Introduction Pipe storage Shoring and bracing Hard hats Lifting Safe distance Ladders Adequate means of trench exit Edge of excavation Falling tools Keep open traffic lanes clear Posting barricades and warning signs Debris in excavation Heavy rains or freezing weather Cave-ins Overhanging bank Other utility lines Protective clothing Machines Work breaks Trenching machines Blasting operations Storing explosives Working in confined spaces

Trenchless Technology

Introduction Design of pipe liners Bases for evaluation of liners Liners in broken casings Legal liability for performance

Testing of Insituform Pipes

Introduction Procedure Test 1 Results of test 1 Test 2 Results of test 2

Trenchless Technology Methods

Trenchless renewal methods Trenchless construction methods (TCMs)

Microtunneling

Jacking forces Joints Major advantages Major limitations Components of microtunnel boring machine (MTBM) Conclusions

References

Index

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