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  Topic: Regarding IS-16700: 2017, Criteria for Structural Safety of Tall concrete Buildings
amol_acharya

Replies: 1
Views: 5344

PostForum: SEFI General Discussion   Posted: Wed Feb 14, 2018 12:44 pm   Subject: Regarding IS-16700: 2017, Criteria for Structural Safety of Tall concrete Buildings
Dear SEFIans,

IS 16700: 2017, have brought relief to Indian structural engineers to some extent - as some of the prevalent analysis and design methodology was borrowed from ACI and similar Internat ...
  Topic: Central RCC Core system.
amol_acharya

Replies: 1
Views: 3402

PostForum: SEFI General Discussion   Posted: Fri Jul 15, 2016 8:10 am   Subject: Central RCC Core system.
Hello,
In case you want the core to take all the lateral force, typically a shear wall "only" lateral system - In your lateral analysis model, the columns are released at the base at each l ...
  Topic: Wind loading standard IS:875 (Part 3)-2015
amol_acharya

Replies: 2
Views: 5500

PostForum: SEFI General Discussion   Posted: Mon May 02, 2016 4:34 am   Subject: Wind loading standard IS:875 (Part 3)-2015
IS-875 draft code narratives and explanations to help the cause at the moment, obviously with caution, since the draft version is not fully incorporated in the released version of IS:875 including the ...
  Topic: For 12 meter RCC beam 750x910 beam size is OK?
amol_acharya

Replies: 2
Views: 3127

PostForum: SEFI General Discussion   Posted: Thu Mar 17, 2016 9:42 am   Subject: For 12 meter RCC beam 750x910 beam size is OK?
Dear Harish,
For a 12 m RCC beam usually the actual defection could be an issue even if it satisfies the L/d ratio. Check the long term deflections and ensure that the deflections are not more than a ...
  Topic: Clause in IS:1893 draft
amol_acharya

Replies: 23
Views: 29564

PostForum: SEFI General Discussion   Posted: Mon Mar 07, 2016 11:50 am   Subject: Clause in IS:1893 draft
Dear Rahul,
This does appear in the draft, but have not seen this any other codes. while this might be something that is desirable but may not be mandatory. It would be important to know the basis of ...
  Topic: How to retrofit a beamless slab?
amol_acharya

Replies: 22
Views: 16925

PostForum: SEFI General Discussion   Posted: Fri Feb 26, 2016 12:13 pm   Subject: How to retrofit a beamless slab?
Dear SE,

Kindly share the usage (residential/commercial) of the building, how many number of storeys are there, spans slab thickness, drops etc....?

A sketch will help to understand where exactl ...
  Topic: PILING OVER EXISTING FOUNDATION.
amol_acharya

Replies: 13
Views: 12961

PostForum: SEFI General Discussion   Posted: Mon Jan 04, 2016 8:55 am   Subject: PILING OVER EXISTING FOUNDATION.
Dear Mr. Mallick,
As per the information, the existing foundations are 4m below the Ground level and are @ 1m to 1.5m deep with reinforcement. I am not aware that such a floating piece of reinforced ...
  Topic: Is xpansion Joint required in Precast Compound Wall of 50 km
amol_acharya

Replies: 5
Views: 11382

PostForum: SEFI General Discussion   Posted: Mon Jan 04, 2016 5:10 am   Subject: Re: Is xpansion Joint required in Precast Compound Wall of 5
Dear Arif,
As far as what I know about Precast compound walls, the horizontal Precast planks are placed in H shaped column and no filler material can actually be inserted in such walls, it is rather ...
  Topic: Doubts in IS:1893
amol_acharya

Replies: 4
Views: 6135

PostForum: SEFI General Discussion   Posted: Wed Oct 14, 2015 4:20 am   Subject: Doubts in IS:1893
Dear all,


I think what that means is -

1. The EQ Storey drifts are to be checked for EQ forces only and not to be combined with DL/LL loads.

2. The displacements due to DL+LL are already p ...
  Topic: Height of the structure to consider in etabs for Earthquake
amol_acharya

Replies: 7
Views: 12498

PostForum: SEFI General Discussion   Posted: Wed Aug 26, 2015 7:47 am   Subject: Height of the structure to consider in etabs for Earthquake
Dear All,

As discussed in earlier posts in this discussion, all of us know that IS 1893 cl. 7.6.1 provides two alternatives for calculations of h of the building to calculate the fundamental natura ...
 
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