224813666-Pipe-Stress-Analysis.ppt

PIPE STRESS ANALYSIS

STRESS ANALYSIS 

INTRODUCTION  OBJECTIVES  PURPOSE  REQUIREMENTS  PROCEDURE  CONCLUSION

INTRODUCTION WHAT IS STRESS? 

Stress=Applied force/Cross Sectional Area  Strain=Change in dimensions/Original dimensions.  Stress of a material is the internal resistance per unit area to the deformation caused by applied load.

STRESS-STRAIN CURVE

IMPORTANCE OF PIPE STRESS ANALYSIS

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Uniform Piping Layout  Support Locations  Calculation of Nozzle Loadings,Support Loadings,Stress,Displacement,Forces,Moments.  Pipe Flexibility

OBJECTIVES 

What is STRESS ANALYSIS: It provides the necessary technique for Engineers to design piping systems without overstressing & overloading the piping components & connected equipment.

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OBJECTIVES: The Layout & Design of Piping shall be made to prevent the followings:

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1.Piping Stress in excess of those permitted by the Codes 2.Leakage at Joints 3.Excessive forces & moments on connected Equipments. 4. Excessive Stresses in the piping supporting elements 5. Excessive with thermal Expansion & Contraction

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FORMAL ANALYSIS IS NOT REQUIRED   

Duplicates or Replaces without significance change,a system operating with a successful service records. Can readily be judged adequate by comparison with previously Analyzed systems. Thumb Rule: Dy/(L-U)²