Moment Distribution Reference
Moment Distribution Reference
(OP)
Does anyone know of a book or PE reference that explains the Moment Distribution Method.
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Moment Distribution Reference
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RE: Moment Distribution Reference
A great structures book has information on moment distribution.
RE: Moment Distribution Reference
PCA still sells a pdf of this publication on their website for $9.00 US.
RE: Moment Distribution Reference
RE: Moment Distribution Reference
old CA SE
RE: Moment Distribution Reference
h
old CA SE
RE: Moment Distribution Reference
RE: Moment Distribution Reference
RE: Moment Distribution Reference
The text is "Continuous Frames of Reinfoced Concrete" By Hardy Cross and Nelwin Dolbey Morgan. I have a copy on my desk in the easy to reach and grad section of A5 (approx 8" x 6") references.
He invented it, and was by all accounts an excellent teacher. The explanations are concise and clear. A word of caution: When he/they say "computer", they mean You (ie: the person doing the computation). The book predates all modern computers, including the Germans & earliest US efforts.
Cheers,
YS
B.Eng (Carleton)
Working in New Zealand, thinking of my snow covered home...
RE: Moment Distribution Reference
Have a look at this.
RE: Moment Distribution Reference
just browsed thru the document and it looks like good stuff.
But Im just wondering why the Po is interested in moment distribution in these computer times?
Just wondering !
Cheers!
RE: Moment Distribution Reference
I assume thats a download of your old uni notes.
civeng80,
I agree, the moment distriution won't derive anything that you can't achieve by the direct stiffness method. But if you are going to utilise moment redistibution clauses set out in various codes then you need an understanding of the moment distribution method.
Hardy Cross is one of the pioneers of structural analysis as we know it today.
RE: Moment Distribution Reference
This looks like it explains EVERY step thouroughly. I've read several books and they skip steps and it just confuses me. I've never really understood this method or Hardy Cross. Hopefully this will help.
BTW - civeng80 - I am taking the SRT II Exam in a few weeks and I may have to use an approximate method like this.
RE: Moment Distribution Reference
parrot77
Where did you get this download.
RE: Moment Distribution Reference
Useful exersise for someone next Saturday morning instead of messing with their measuring tape and worrying about torsion!!!(see thread 16th Sept)
RE: Moment Distribution Reference
IF you have an EQ force moment envelope (BMD) and also a gravity case (for my Code it is G + 0.6Q) BMD, hanging the gravity BMD from the seismic BMD is a quick and convenient superposition. From there you use the redistribution methods that asith alluded to, and acheive a much more economical frame.
Besides, why use a computer when you can employ a hand method that is easily as reliable and has fewer potential pitfalls (ie: Modelling error, computation error inside the black box, etc).
Regards,
YS
B.Eng (Carleton)
Working in New Zealand, thinking of my snow covered home...
RE: Moment Distribution Reference
Wondering if moment distribution is mentioned in them ?
Cheers!
RE: Moment Distribution Reference
Redistribution is typically mentioned in concrete material codes, if only in terms of setting a maximum limit (in percentage) on how much redistribution a code committee have chosen to allow. This is normally 20 or 30%.
Cheers,
YS
B.Eng (Carleton)
Working in New Zealand, thinking of my snow covered home...
RE: Moment Distribution Reference
RE: Moment Distribution Reference
Haven't read most of the other ones mentioned, but I can tell you that the above text has conjugate beam, virtual work, moment dist., slope deflection, and it is all clear ENOUGH that no other book is needed for classical structural analysis techniques(all texts seem to skip some steps, unfortunately, including this one)
RE: Moment Distribution Reference