Fry Technical Services Inc.

Figure 1: The Eads Bridge in St. Louis, Mo. Opened in 1874, it is the oldest bridge in active service over the Mississippi River. It carries both railway and highway traffic. (Courtesy of Gary T. Fry.)
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Railway Bridge Design: Fascinating, Ever Changing

RAILWAY AGE, JULY 2023 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic about which professionals in the railway industry have asked to learn more. This month, our subject is railway bridges, specifically some of the methods railway bridge engineers use to ensure new bridges are safe, efficient and long lasting.

Understanding Failure Risk

RAILWAY AGE, MAY 2022 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that professionals in the railway industry have asked to learn more about. This month, we discuss risk of failure and methods we can use to quantify this risk.

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Wheel and Rail Fatigue Prevention Strategies

RAILWAY AGE, APRIL 2022 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that professionals in the railway industry have asked to learn more about. This month, we discuss strategies to prevent fatigue failures of steel railway wheels and rails.

Figure 4A: Ultrasonic testing equipment customized for rail inspection. Courtesy of Herzog.
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Ultrasonic Testing of Steel

RAILWAY AGE MARCH 2022 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that professionals in the railway industry have asked to learn more about. This month, our topic is fatigue defect detection in steel.

Metal Fracture: The Fatigue Cycle That Really Counts

RAILWAY AGE FEBRUARY 2022 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that professionals in the railway industry have asked to learn more about. This month our topic is fracture of steel.