At a steel column to concrete foundation and similar attachments, our office generally specifies an all thread rod with a nut-washer-nut at the bottom as opposed to a headed bolt. Portland Bolt has an article on their website stating that their testing indicates that an all thread rod with a nut is not as strong as a headed bolt. I was wondering what other engineers think about this and how others specify these types of attachments. Thanks.
In the digital era, manufacturing is constantly transforming. This includes the automotive industry, where product lifecycles are becoming shorter in order to differentiate and meet the latest consumer tastes. Download Now
In 2017, ENGINEERING.com surveyed 151 product development professionals about how they manage product data. Our analysis focused on the types of systems used, how they were used, and the correlation between system types and common product design failures. Download Now