Intro; Authors; Preface; Contents; 1 Introduction; 1.1 Integrity Challenges of Pipeline Systems Design; 1.2 Review of Damage Models for Cyclic Loading; 1.2.1 Models for Ductile Damage; 1.2.2 The Cyclic Void Growth Model (CVGM); 1.2.3 The Effective Damage Concept (EDC); 1.2.4 Leblond- Perrin-Devaux Model (LPD); 1.2.5 Continuum Damage Mechanics Models (CDM); 1.2.5.1 Yield Surface Models; 1.2.5.2 Armstrong-Fredrick Plasticity Model; 1.2.5.3 Tseng-Lee Model; 1.2.5.4 Lemaitre Model for Ductile Damage; Non-local Damage Model; 1.3 Review of Damage Models for Monotonic Loading; References

2 Small-Scale Monotonic Test Data of Smooth and Notched Specimens2.1 Introduction; 2.2 Steel Grades and Pipeline Components; 2.3 Experimental Program and Specimens Description; 2.4 Static Tensile Test Data from Smooth Specimens; 2.5 Static Tensile Tests on Round Notched Specimens; 2.6 Monotonic Torsion Tests Combined with Tension or Compression Loading; 2.7 Special Monotonic Tests on Smooth or Notched Specimens; References; 3 Small-Scale Cyclic Test Data of Smooth and Notched Geometries; 3.1 Introduction; 3.2 Cyclic Tension-Compression Testing on Smooth and Notched Specimens

3.3 Special Cyclic Tests on Smooth or Notched SpecimensReferences; 4 Large-Scale Monotonic Tests of Piping Components; 4.1 Introduction; 4.2 Large Diameter UOE Pipeline, X80 Steel Grade (Case 1); 4.3 Large Diameter UOE Pipeline, X70 Steel Grade (Case 2); 4.4 Pipelines for Onshore Application, X52 Steel Grade (Case 3); Reference; 5 Large-Scale Cyclic Tests of Piping Components; 5.1 Introduction; 5.2 Full Scale Tests Under Cycling Loading of Buckled and Dented Pipelines of X52 Steel Grade; 5.2.1 Introduction; 5.2.2 Geometrical Properties of Specimens and Thickness Measurements

5.2.3 Setup Description5.2.4 Monotonic Denting Test Results; 5.2.5 Cyclic Bending Test Results of Dented Specimens; 5.2.6 Monotonic Buckling Test Results; 5.2.7 Cyclic Bending Test Results for Buckled Specimens; 5.3 Full Scale Tests of Elbows Under ULCF Cyclic Loading; 5.3.1 Introduction; 5.3.2 Description of the Elbow Specimens; 5.3.3 Description of the Test Setup for Elbows; 5.3.4 Description of the Test Measurements; 5.3.5 Test Procedure for Cyclic Loading of Elbows; 5.3.6 Determination of Cyclic Test Parameters; 5.3.7 Experimental Results for Cyclic Loading

5.4 Full-Scale Tests of Straight Pipes of X60 and X65 Steel Grades Under Cyclic Loading5.4.1 Introduction; 5.4.2 Setup Design; 5.4.3 Test Parameters; 5.4.4 Link with Small-Scale Test Program; 5.4.5 Test Samples; 5.4.6 Large Scale Tests Results; 5.4.6.1 Tests Overview; 5.4.6.2 Sample A-Test Results; 5.4.6.3 Sample B-Test Results; 5.4.6.4 Sample C-Test Results; 5.4.6.5 Sample D-Test Results; Appendix 5A; Loading Amplitudes Used in the ULCF Tests of Elbows; Reference; 6 Constitutive Modelling for Plastic Monotonic and Cyclic Damage Behaviour; 6.1 Introduction