Hi everyone,
I'm a civil engineer who recently ran into a couple of interesting types of portal frames used in Germany. I've been trying to figure out if these are used in the US at all, and what they are called, but all my colleagues have been equally stumped. I have attached a very simple...
Hi everyone,
I'm a civil engineer living in Los Angeles and recently ran into a couple of interesting types of portal frames that are used in Germany. I have been trying to figure out if these are used in the United States at all, and what they are called, but all my colleagues have been...