Structural monitoring guide
Crack Growth Monitoring
Trend known discontinuities and correlate change with loading or environment.
Structural note: monitoring data is evidence, not a declaration of safety. Applicable codes, inspections and qualified structural engineering remain necessary for consequential decisions.
What this topic covers
Trend known discontinuities and correlate change with loading or environment.
Core monitoring ideas
Crack growth can be intermittent and load-dependent.
Measurement uncertainty should be small relative to the change being evaluated.
Engineering assessment determines whether monitoring, repair or replacement is appropriate.
Interpretation limits
Environmental and operational changes can mimic damage-related trends and should be included in interpretation.
Evidence and data quality
Direct inspection remains important when a signal suggests a local defect or geometry change.
Lifecycle use
This site does not calculate safe remaining life, structural capacity or return-to-service criteria.