Beam to Surface connection

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beam to surface connection in staad pro

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aupSEFI Member

Joined: 19 Jan 2010

Posts: 3

Posted: Sun Aug 29, 2010 4:27 am Post subject: beam to surface connection in staad pro

HI all,

Currently i am designing a 12 storey complete shear walled building i.e. no beams or columns but

only walls. when i tried using plate elements STTAD wouldnt simply accept data saying too much

volume. Further on i tried with SURFACE elements in STAAD PRO & now the data is within

programme limit... my problem is i want to add some beam column frame work too.... if i do this

the STAAD is giving error as "unable to generate surface" i traced this error to only those surfaces

which are supposed to have beam to surface connections i.e wherever i put beams the adjacent

surface is not getting generated....how to make the SUFACE TO BEAM connectionsm in STAAD?...

i have tried meshing the surfaces manually also but the error still persists... pls help

i am attaching a STD file here

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rakeshkumar...

Joined: 11 Apr 2010

Posts: 86

Posted: Mon Aug 30, 2010 4:05 am Post subject: beam to surface connection in staad pro

hi,

try by deleting surface. Add beam first and then surface. U need to break the beam as per the no

of elements

with regards

RAKESH KUMAR

*"Please consider the environment, take a print of this copy if u really need to". Use Gently.

On Sun, Aug 29, 2010 at 9:57 AM, aup wrote:

Quote:

HI all,

Currently i am designing a 12 storey complete shear walled building i.e. no beams or columns

but only walls. when i tried using plate elements STTAD wouldnt simply accept data saying too

much volume. Further on i tried with SURFACE elements in STAAD PRO & now the data is

within programme limit... my problem is i want to add some beam column frame work too.... if

i do this the STAAD is giving error as "unable to generate surface" i traced this error to only

those surfaces which are supposed to have beam to surface connections i.e wherever i put

beams the adjacent surface is not getting generated....how to make the SUFACE TO BEAM

connectionsm in STAAD?... i have tried meshing the surfaces manually also but the error still

persists... pls help

i am attaching a STD file here

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skhalid...

Joined: 26 Jan 2003

Posts: 164

Location: Delhi

Posted: Mon Aug 30, 2010 4:29 am Post subject:

Dear Mr. Anup,

U said there are a no beams or columns but only walls.

Can u please send a 3D rendered screenshot of the building for better understanding.

Because it is difficult to realize.

Regards

S.M.Khalid

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aupSEFI Member

Joined: 19 Jan 2010

Posts: 3

Posted: Mon Aug 30, 2010 10:04 am Post subject: beam to surface connection

hi,

i have done exactly that i.e first beams then surfaces and then breaking the beam into connected

nodes ( though not recommended as it add to rigidity of wall restricting the wall to deform as in

the FEM book by R.D. Cook)... still the problem persists .... further problem does not end only to

beam surface connection... how to ensure surface to suface connection i.e how to ensure

connection modelling of in T shaped wall...

if i opt for plate insted of surface... the 12 sotried building renders the error as "RUNNING OUT

OF MEMORY" and it just terminates the programme... i have tried modelling in SAP 2000 v

14.1(2005) which gives exactly same error regarding memory as staad...

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Beam to Surface connection

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