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When reinforced ductwork failed shortly after being placed in service, we were asked to perform an extensive failure analysis. The results determined that that the ductwork was overly-constrained. Thermal breathing and bending due to a thermal gradient that existed between the top and bottom surfaces were constrained, creating high thermal stresses. We redesigned the ductwork reinforcements and the structural supports.
Related Projects
– Forensic Investigation of Premature Weld Cracking in Stainless Steel Exhaust Ductwork
– Failure Analysis and Repair of an Overpressurized Storage Tank
Similar Services
– Failure Analysis Services
Resources
– Publications – Heat Exchangers, Pressure Vessels, Welds and Other Applications, Fatigue, Elevated Temperature
– Links to Engineering Resources
