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Integrity Assessment

3D Pipe Displacement Measuring

Overview

Utilized as vital data for evaluating equipment integrity and life assessment, through comparative analysis with the designed of 3D pipe displacement.

  • Photo of the onsite measurement
  • Displacement history during
     temperature escalated

Measurement method

Measuring tri-axial displacement during operation
  • Measurement range: ±200mm per axis
  • Accuracy: ±0.5mm per axis
  • Measurement interval: Once/min.

Reference standard

Specifications

Track records

  • 2016
    • KOEN - Samcheok Thermal Green Power
    • KHNP - Shingori pp. #4, BNPP#1,2, Hanul pp. #1,2
  • 2015
    • KHNP - Hanul pp. #1
    • POSCO E&C - Ansan Combined Cycle Thermal Plant
  • 2013
    • KHNP - Shingori pp. #3
  • 2012
    • KHNP - Shinwolsong pp. #2
  • 2011
    • KHNP - Shingori pp. #2, Shinwolsong pp. #1

Stress & Strain Measuring

Overview

Determination of the cause of equipment failure and its integrity assessment, breaking out before the end of its design life

  • Points of installation
    SG installation
  • Pipe stress analysis
    Data acquisition/analysis

Measurement method

Stress analysis (Point selection)

  • AutoPipe (Version V8i)
  • Ansys Mechanical (V 16.0)

SG installation and data analysis

  • Measurement range:  Max. 650℃
  • Storage Interval:  Once/min.

Reference standards

  • ASTM E251
  • Strain Gauge User’s guide (TML)