Analysis and design of large mat foundations supported on soil using FEM...
Large mat foundations are usually modeled using plate elements and the boundary conditions at soil – foundation/structure interface is idealized using winkler springs assigned with sub-grade modulus of...
View ArticleNonlinear Material in STAAD
I am analyzing a slender structure with non-linear section properties. I have already determined the moment-stiffness relationship. Due to large deflections, the structure has geometric non-linearity...
View ArticleRAM Wind Loads
In RAM, is there a way that you can change your GCpi (Internal Pressure Coefficient) in the automated wind loads in RAM Frame? By default it is using +/- 0.18 for an enclosed building. Is there a way...
View ArticleWIND
In wind analysis we have to provide building natural frequency and building damping ratio kindly explain how we can calculate this.
View ArticleSTAAD Composite Beam Design
I am currently trying to use STAAD to model a building where my floors primarily consist of concrete on metal deck over steel beams. I have some real irregular framing due to architectural features, so...
View ArticleRAM Frame Drift Control Module: Question about Virtual Loads and Load Pairs
My question concerns the Drift Control Module and the loads used for this analysis.With the understanding that this Module follows Castigliano's Theorem, under what circumstances would it make sense to...
View ArticleRAM SS - Response Spectrum Analysis according to AS1170.4
Hi,I have 2 questions:1. If in the input for RSA we have Structural ductility, Structural performance, Importance factor then I presume scale X and Y shall be calculated automatically? So Scale x and y...
View ArticleSeismic load
How to define seismic load definition and load cases in all 3 directions . And how to define load combinations as per IS 1893 the default load combinations in staad are confusing.
View ArticleasARE THESE LOAD COMBINATIONS CORRECT AS PER IS 1893 IN STAAD PRO
Are these load combinations correct in staad pro as per IS 1893: 1.5 (DL+LL) 1.2( DL+LL+ELX) 1.2( DL+LL+ELZ) 1.5(DL+ELX) 1.5(DL+ELZ) .9DL+1.5ELX .9DL+1.5ELZ DL- DEAD LOAD, LL-- LIVE LOAD , EL -- E/Q...
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Help with STAAD.Pro duplicating or splitting Loads and Properties
I am running an analysis on a large structure and STAAD keeps splitting up my loads and properties into numerous sets. For example when I assign Self weight to the model it works fine as one item but...
View ArticleCable Section Property
Introduce me Abrar as lecturer Indonesia Institute and administrator of license academic of Staad.Pro.I have problem about Cable Section property. My students write the scription about Arch Bridge and...
View ArticleModeling an elevator's wall
Hello Sir, I have two questions.1. What is the best element type to model and design a lift wall in STAAD.Pro per ACI 318 Code ? Surface or Plate ? 2. What is the difference in output results between a...
View ArticleFundamental natural Period
Hi there...I am making a Seismic definition as per IS 1893...I did not provide the type of structure in definition and staad calculated the value for Time period which was way too much low as per...
View ArticleStaad.Pro 20.07.11.70 - customize menu
Regarding Staad.Pro 20.07.11.70.I want to hide the menu item "Bentley Cloud Services". It's on the same line as File, Edit, Windows and Help.Before I create an installer package for our users, I like...
View ArticleVery high axial load at he column bases.
Anybody please tell me why i am getting very high axial load (Fy) in the columns at the base, it is due to the loading or is there some other reason.STAAD SPACESTART JOB INFORMATIONENGINEER DATE...
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ISM Repository Error
I am trying to export a RAM model to Revit. The process runs just as described in the Ram Manager User Manual, section 3.2.2. The structural sychronizer opens and I don't make any changes, I just...
View Articledamping ratio
yesterday i find out how to calculate natural frequency i,am still confused how we can calculate damping ratio for a steel structure which is required for wind analysis. .
View ArticleHow To Model with Considering Soil-Structure Interaction
How to model with considering SSI.I perform analysis with considering Fixed base condition.now i want to analysis my model considering SSI effect on it.so for this i calculate two spring constant value...
View Articledamping
ThanksDear sye I already put there 0.01 damping ratio and send the file to my company . Is it acceptable are not ?
View ArticleWeld Design for HSS to HSS Member in Staad
I am Using the AISC ASD to Check Weld, I have Given Values for Weld, Wmax, WMin, but I can find no listing of welds in output.What do I need to do to get these to list?
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