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Monthly Archives: March 2025

Safety First: Highlights from Allied’s 16th Annual Safety Days

CTL Engineering, Inc., is proud to spotlight the success of our 16th annual “Safety Days” event, held on February 27-28, 2025, at our Allied Environmental Services subsidiary in Lima, Ohio. The two-day event was a profound demonstration of our ongoing commitment to safety and employee well-being across all our operations.Organized by CTL’s Corporate Safety Officer, […]

Failure Analysis of a High-Strength Steel Bolt: A Case of Proactive Accident Prevention

High-strength steel bolts are essential components in structural applications. While they are designed to withstand substantial loads, their failure can have catastrophic consequences. A common mode of failure in bolts is fatigue, a damage mechanism that occurs gradually over time due to cyclic loading. This case study examines a high-strength steel bolt that failed due […]