Manufacturing Engineer and Safety Engineer advises, for factory safety, that if a crane is being used to lift objects over and into baths that contain harmful liquids such as acids, caustics and high temperature liquids. the event should be treated as a “lock out tag out” type of event. All personnel should be cleared from […]
Weld Failure on Crane
While studying a weld failure on a tower crane section, it was discovered that the weep(drain) holes were plugged. As a result, there was standing water that froze and split the weld. The failure mode was ductile overload that started at a stress concentrator created by the weld meniscus The destructive force is created by […]