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Re: Factored Load Combinations with Cranes

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You might want to look at the Metal Building Manufacturer's
Association Design Manual and also look at the Design Guide
for Steel Crane Support Structures published by the Canadian
Steel Institute for Steel Construction and available for
download at their web site until it is actually published
which is supposed to be soon.  Also the author of the latter
Bob MacCrimmon wrote an article in one of the engineering
journals on limit states design of runways.  I can't remember
which but I will try to find it.

On 13 Jan 2005 at 11:52, Rich Lewis wrote:

> Are there factored load combinations recommended for design in a one
> story building with a crane supported by the steel framing?   IBC
> Section 2.3.2 gives load combinations but doesn't distinguish crane
> hook loads like it does in allowable stress load combinations.  I
> interpret the crane load to be an 'L' load, separating it from the
> roof live load Lr.  This means in Equations 3, 4, 5 I can reduce the
> crane load to a factor of 0.5.  Am I looking at this correctly?
> I ask this for foundation design load combinations.  
> Rich Lewis
> Lewis Engineering

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