Author |
Message |
Topic: IS1893 - Different Response Reduction in X and Y |
sakumar79
Replies: 4
Views: 1513
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Forum: SEFI General Discussion Posted: Sat Dec 19, 2020 11:55 am Subject: IS1893 - Different Response Reduction in X and Y |
Dear Sir,
Rather than looking at this as what R to use, I think the first question is if such a system is really okay or not. IMHO, it is better not to do shear walls only in one direction. Either ... |
Topic: Time Period in design softwares |
sakumar79
Replies: 11
Views: 2565
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Forum: SEFI General Discussion Posted: Sat Dec 19, 2020 11:50 am Subject: Time Period in design softwares |
Dear Sefian,
In Staad.Pro, one needs to define "Seismic Definition" for auto-seismic load generation. It can be done through graphical user interface screen or directly as command line para ... |
Topic: Live load reduction factor for Footing Design |
sakumar79
Replies: 2
Views: 952
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Forum: SEFI General Discussion Posted: Sat Dec 19, 2020 11:38 am Subject: Live load reduction factor for Footing Design |
Dear Sir,
In general, Live Load Reduction Factor as per IS 875 Part 2 Clause 3.2 can be applied to foundation also. However, it is probably not applicable in your case because of clause 3.2.1.1 ... |
Topic: PLATE RESULTS FROM STAAD FOR SHEAR WALL DESIGN |
sakumar79
Replies: 4
Views: 1535
|
Forum: SEFI General Discussion Posted: Sat Dec 19, 2020 11:33 am Subject: PLATE RESULTS FROM STAAD FOR SHEAR WALL DESIGN |
Dear Sir,
Shear walls should be modelled as Surface elements and not plate elements in STAAD. There are some examples available in their forum, verification models, etc. If you model as Surface e ... |
Topic: Dual system in etabs |
sakumar79
Replies: 1
Views: 952
|
Forum: SEFI General Discussion Posted: Wed Aug 26, 2020 2:46 am Subject: Dual system in etabs |
Dear Sir,
You should not adjust stiffness modifier to get the required ratio. You need to boost the EQ load factor to get the ratio. I have suggested the steps for the same in earlier threads ( ht ... |
Topic: Help me with Floating Column |
sakumar79
Replies: 12
Views: 2992
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Forum: SEFI General Discussion Posted: Fri Jul 24, 2020 4:37 am Subject: Help me with Floating Column |
Dear Sir,
One possibility is to remove C5 in all floors and have the beam from C1 to C9 as single continuous span on which the central beam will rest. That beam can be either along C9 and C14 or a ... |
Topic: Slab Reinforcement Details |
sakumar79
Replies: 5
Views: 1286
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Forum: SEFI General Discussion Posted: Sun Jul 05, 2020 4:22 am Subject: Slab Reinforcement Details |
Dear Er Ramu,
In two way slabs, especially when designed using IS code (coefficients table for two way slab), when you have a continuity, the top reinforcement will be more than the bottom reinfo ... |
Topic: Reduction in TDS on fees for professional or technical services |
sakumar79
Replies: 2
Views: 1135
|
Forum: Speak Out Box Posted: Fri Jul 03, 2020 4:57 am Subject: Reduction in TDS on fees for professional or technical services |
Dear Sir,
As I understand,
1. The TDS for Technical services has been reduced from 10% to 2%. However, what Structural consultants are providing cannot be considered Technical services and sha ... |
Topic: Shear Wall design in staad |
sakumar79
Replies: 96
Views: 58836
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Forum: SEFI General Discussion Posted: Fri Jul 03, 2020 4:49 am Subject: Shear Wall design in staad |
Dear SEFIans,
Does the shear wall always need pile foundation, even if hard soil is available at surface ? This query is asked, keeping in mind the high lateral load that the shear wall will be subje ... |
Topic: Reinforcement At Compression(Bottom side) of cantilever |
sakumar79
Replies: 5
Views: 1948
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Forum: SEFI General Discussion Posted: Fri Jan 24, 2020 7:54 am Subject: Re: Reinforcement At Compression(Bottom side) of cantilever |
Taking this discussion further, compression steel in a cantilever slab will help in increase of stiffness of the slab and thus help in reduction of deflection.
I am of the opinion that cantilever ba ... |
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