Search results for query: *

The 14th and 15th edition steel manuals include design methods for both ASD and LRFD. However, the 14th edition ASD method is not the same as the 9th edition ASD method. In fact the acronyms are for two different things. The 9th edition ASD refers to "Allowable Stress Design" while the 14th...

There are two very good reference books titled "Wind Loads for Petrochemical and Other Industrial Facilities" and "Guidelines for Seismic Evaluation and Design of Petrochemical Facilities". I do not own a copy of either of these books, but if my memory serves me right I think the first book has...

WARose has a good reference. As far as a safety factor, I generally try to avoid the vortex frequency by +/- 20%. This comes from "The Structural Design of Air and Gas Ducts for Power Stations and Industrial Boiler Applications" published by ASCE. namanges

This also depends on if you are ordering from a mill or a service center. I don't know exact numbers, but it seems to me that one of our recent projects was $1.75/lb from the mill and almost $2.50/lb from the service center. We deal mainly stainless steels and I don't remember if those prices...

What is the difference (if any) between a Load Indicating Washer (LIW) and a Direct Tension Indicating Washer (DTI)? To me, LIWs are a general term where DTIs are a specific type of LIW. Am I correct about this? I am just looking to gain a general understanding of this topic, so any/all input...

RCraine, No need to worry. As was already stated above, there is no American code that deals directly with stainless steel and as you have mentioned, stainless steel does not behave like carbon steel. I have reviewed the referenced design guidelines above and have been unable to see where the...

What kind of design are you doing? We design built-up stainless steel members using AISC 9th (just because we haven't had time to learn the new code yet). But I can't see why you couldn't design using the current AISC code. Just calculate section properties, Fy, E, etc, and work from...

A36 steel loses more than 10% of Fy at 500 degrees farenheit and loses more than 50% of Fy at 800 degrees. Fy(A36) @ 400 deg. F. is about 33 ksi Fy(A36) @ 800 deg. F. is about 16 ksi These are the values that I have been exposed to and have used, but it would be great if someone else...

How is everybody engineering stiffened plate and plate girders? Are you still engineering by hand or using a computer program to model them? Our engineering department uses STAAD.Pro, but no one seems to know of an efficient way to model the stiffened plate. Modeling the stiffened plate alone...

271828, thanks for you comment. I responded to this post in ignorance to the real question at hand. My only experience has been with pre-fab metal buildings of a much smaller scale-along the lines of storage sheds. I did some research, and I never realized all of the shapes and sizes that...

In general, yes. Pre-fab buildings are engineered once and produced at volume. This eliminates the design time and reduces the fabrication time required to complete the building. A strong advantage of standard construction is that a building can be easily customized to fit the need of the...