Bubalan Sundaram's Communities Activities

Open staad

Bubalan Sundaram — Mon, 13 Jul 2015 05:26:04 GMT

Dear All,

saw the code to extract the geometry of the selected members in open staad.

a.) by the same method, can anyone guide me to extract the design forces for selected members. (the force which is governing the design)

b.) Also, when i copy the code to a different worksheet with other macro codes, i could not assign the code to the button.

any suggestions?

Open staad help

Bubalan Sundaram — Thu, 16 Jul 2015 01:52:57 GMT

Dear all,

can any one send me the vb macro to extract member end forces for the selected beams from open staad for start and end location of the designed loadcase.

Iam new to open staad and trying to learn .

repeat command limitation

Bubalan Sundaram — Fri, 04 Aug 2017 09:09:41 GMT

Dear all,

Ive have tried to modela chimney using circular repeat command. but the steps to repeat does not go more than 99.

Also the translational repeat command is not going more than 99.

any help

My staad version: SS6, 20:07:11:90

IS456 Concrete desin

Bubalan Sundaram — Fri, 14 Jul 2017 06:47:16 GMT

Dear All,

i have a small doubt regarding, the display of failed members using "Structure diagrams/design results/Show diagram (based on actual ratio)" for concrete if the section is not adequate.

how to use the above method to display failed members for concrete, for steel we can use this to display failed members based on ratio.

Ask A Question I

Fri, 14 Jul 2017 00:24:07 GMT

Ask a question in a forum.

Ask A Question II

Fri, 14 Jul 2017 00:24:07 GMT

Ask 10 questions in a forum.

shear width to thickness ratio for AIJ

Bubalan Sundaram — Mon, 28 Sep 2015 23:38:10 GMT

Hi all,

can anyone please tell me how staad checks for shear width to thickness ratio for japanese code.

Exception[access violation]Raised! Aborting Analysis.....

Bubalan Sundaram — Mon, 19 Jan 2015 05:45:11 GMT

Dear All,

I run a roof structure in which i get the following error and it terminates the analysis.

Exception [Access Violation] Raised! Aborting Analysis....

But other models run fine,

can anyone solve the issue...

Staad version: 20.07.10.64

regards

Bubalan

sign convection in member forces in a modal analysis

Bubalan Sundaram — Tue, 15 Sep 2015 01:01:00 GMT

dear all,

1.) The member end forces in axial, shear is same in value except in sign convection, but why the moment value differs for only seismic force (only mass applied) case.

example:

member L/c Node Axial Shear Y Shear Z Torsion MY MZ

1 1 1 108.052 1.703 3.425 4.682 30.392 9.581

301 -108.052 -1.703 -3.425 - 4.682 -19.217 -15.312

can anyone explain why only moment value differs?

AIJ design calculation verification

Bubalan Sundaram — Mon, 06 Jul 2015 00:05:10 GMT

Dear All,

Can we extract design calculation like in MIDAS for AIJ in STAAD?

staad pro doesn't recognize std files

Bubalan Sundaram — Fri, 23 Jan 2015 00:30:20 GMT

staad pro doesn't recognize std files , we have to manually select the program to open. any solutions welcome.

AIJ seismic definition

Bubalan Sundaram — Fri, 05 Dec 2014 23:56:50 GMT

Does defining the seismic force as per AIJ can have multiple member weight and joint weight commands, when i analyse the model, i find very less force generating than the actual force to be generated.

support reaction for a model with response spectrum load cases

Bubalan Sundaram — Mon, 10 Nov 2014 05:21:03 GMT

hello,

can anyone tell me how to extract support reactions with sign (+/-) in a response spectrum model.

For example, primary load case has SL+x. The civil designer needs SL-X, but since response spectrum load case uses modal super position, my values are absolute values.

so if i give a combination having -1 as a factor for seismic load +X case, my reaction is all in negative.

can anyone help!

thanks

Forces for stiffener calculation

Bubalan Sundaram — Fri, 29 Aug 2014 01:38:51 GMT

Dear members,

I want to design horizontal and vertical stiffeners for a plate girder in the structure. i have used STIFF parameter for spacing of vertical stiffener, also i had calculated its size manually using AISC 360-05 G2.2 but,

I need to calculate the size of horizontal stiffener, so i need to extract the forces for web alone max and min from a combination to determine the stress at a particular location. is there a method to do that in staad?

Code : AISC 360-05 , ASD for vertical stiffeners

Code : AIJ , ASD for horizontal stiffeners

regards

Bubalan Sundaram

support reaction for concrete design

Bubalan Sundaram — Thu, 17 Jul 2014 09:42:13 GMT

Dear members,

Since our model is a dynamic one, we have to give the primary support reaction to the concrete designers for their design. Since the dynamic support reaction will always be positive, how to give the primary reaction to the designers with sign convection?

any body can help.

regards

Bubalan Sundaram