API 1156 : 1ED 97 ADD 1 99
Withdrawn
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EFFECTS OF SMOOTH AND ROCK DENTS ON LIQUID PETROLEUM PIPELINES (PHASE 2)
31-12-2011
12-01-2013
EXECUTIVE SUMMARY
1.0 INTRODUCTION
2.0 BACKGROUND
3.0 OVERVIEW OF EXPERIMENTS
3.1 Types of Dent Experiments, Objectives
and Results
3.2 Buckle Experiments
4.0 FINDINGS OF EXPERIMENTAL WORK
5.0 DISCUSSION AND CONCLUSIONS
5.1 Rerounding (Essentially Unchanged from API
Publication 1156)
5.2 Static and Fatigue Strength of Smoothy Dented
Pipe (Altered Somewhat from API Publication
1156)
5.3 Fatigue Resistance in Relation to the Curvature
of Smoothly Dented Pipe (Significantly
Different from API Publication 1156)
5.4 Fatigue Resistance When Minor Stress
Concentrators Exist in Smooth Dents (Altered
Somewhat from API Publication 1156)
5.5 Constrained Dents (Altered Somewhat from API
Publication 1156)
5.6 Practical Considerations Regarding Rock Dents
(Altered Somewhat from API Publication 1156)
5.7 Buckles
REFERENCES
APPENDIX A. RESULTS OF EXPERIMENTS
APPENDIX B. DESCRIPTIONS OF EXPERIMENTS CONDUCTED DURING
THE SECOND PHASE
APPENDIX C. FIELD GUIDE FOR ASSESSING DENTS AND BUCKLES
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