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#23801 - 01/14/09 05:45 AM About Uniform Loads
Ukundu Offline
Member

Registered: 04/01/08
Posts: 16
Loc: india
Dear all,
IF i having a uniformly distributed load,Can anyone tell me how I can use this uniformly distributed load and uniform load in G's i.c effect of earthquack similtaneously.


Thanking you.
UKundu.
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Ujjwal Kundu

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#23813 - 01/14/09 08:12 AM Re: About Uniform Loads [Re: Ukundu]
Richard Ay Offline
Member

Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
In a given input file, your uniform load can be in either (a) force/length, or (b) g's. You can't support both units in the same input file at the same time.
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Richard Ay - Consultant

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#23841 - 01/14/09 10:57 PM Re: About Uniform Loads [Re: Richard Ay]
Ukundu Offline
Member

Registered: 04/01/08
Posts: 16
Loc: india
dear sir,
If i having alarge pipe partially full of some material.Then there willl be a uniformly distributed load and if i aslo to be considered g's.Then how can i approche for the analysis to get accurate result.

Regards,
Ukundu
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Ujjwal Kundu

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#23842 - 01/14/09 11:10 PM Re: About Uniform Loads [Re: Ukundu]
shr Offline
Member

Registered: 02/16/07
Posts: 508
Loc: Singapore
Fill "partially full of some material" as fluid density or insulation density with thickness to take care of it's weight.

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#23845 - 01/15/09 12:32 AM Re: About Uniform Loads [Re: shr]
Ukundu Offline
Member

Registered: 04/01/08
Posts: 16
Loc: india
suppose I having a pipe carying some dust,while carrying 30% of the cross-sectional area assumed to be filled by diposition.This 30% will be as UDL and aslo i have to considered g's.
Generallly we not do stress analysis of dedusting systen but i want to know just how much sustained load will occur in support.Pipe not having any insulation.
Now i can do another thing where 30% of cross-sectional load(due to deposition) to be converted to equivalent indulation thickness with proper insilation desity.
If I approah in this way will it be correct?
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Ujjwal Kundu

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#23846 - 01/15/09 02:02 AM Re: About Uniform Loads [Re: Ukundu]
shr Offline
Member

Registered: 02/16/07
Posts: 508
Loc: Singapore
Yes

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#23860 - 01/15/09 08:41 AM Re: About Uniform Loads [Re: shr]
Dave Diehl Offline
Member

Registered: 12/14/99
Posts: 2382
Loc: Houston, TX, USA
I would say that depends on whether or not you want the mass of the dust to be a part of the g load. If you model your dust as insulation, then it will be included in your g load.

If was just checking dusty support loads, I would run a second analysis with dust as a uniform load.
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Dave Diehl

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