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  Topic: IS IT POSSIBLE TO PROVIDE BOTH PILE FOUNDATIONS AND ISOLATED FOOTINGS IN A MIXED FASHION FOR A BUILDING?
Yogesh.Pisal

Replies: 9
Views: 1331

PostForum: SEFI General Discussion   Posted: Tue Jun 18, 2019 9:40 am   Subject: IS IT POSSIBLE TO PROVIDE BOTH PILE FOUNDATIONS AND ISOLATED FOOTINGS IN A MIXED FASHION FOR A BUILDING?
Dear Renju,

Considering two stories and 25 columns, I presume that you will be having lighter loads for peripheral columns. Hence isolating building to account for differential settlement may not b ...
  Topic: Seismic / Earthquake Load Combinations for structures/Buildings
Yogesh.Pisal

Replies: 15
Views: 2191

PostForum: SEFI General Discussion   Posted: Tue Jun 18, 2019 9:27 am   Subject: Seismic / Earthquake Load Combinations for structures/Buildings
Your first question is already answered by Arunkumar. Provision for reduction of LL factor in load combination is not suggested by revised code IS1893 Part 1 2016.

Second Question: Whenever you are ...
  Topic: Design of Footing for EQ resistant structures
Yogesh.Pisal

Replies: 18
Views: 8991

PostForum: SEFI General Discussion   Posted: Wed Oct 04, 2017 2:55 am   Subject: Design of Footing for EQ resistant structures
Dear Hemal,

I agree with the fact that SSI will not affect the response of buildings founded on rock or rock like material.

But, as there is scope for difference in opinion in codal provisions ...
  Topic: Design of Footing for EQ resistant structures
Yogesh.Pisal

Replies: 18
Views: 8991

PostForum: SEFI General Discussion   Posted: Tue Oct 03, 2017 3:45 am   Subject: Design of Footing for EQ resistant structures
Dear Er Vijayarathnam,

Cl 6.1.4, IS1893 Part 1 : 2016
Soil structure interaction may not be considered in seismic analysis of structures supported on rock or rock like material at shallow depth. ...
  Topic: Stiffness modifiers in IS 1893-2016-1 and draft tall building code.
Yogesh.Pisal

Replies: 5
Views: 4912

PostForum: SEFI General Discussion   Posted: Sun Oct 01, 2017 8:34 am   Subject: Stiffness modifiers in IS 1893-2016-1 and draft tall building code.
Dear Sir,

I think IS1893 Part 1 has missed the provisions of separate stiffness modifiers for SLS.

If we compare these provisions with ACI318-11 (ACI318-14 is having major changes about the pro ...
  Topic: STAAD.Pro steel modelling
Yogesh.Pisal

Replies: 4
Views: 3134

PostForum: SEFI General Discussion   Posted: Wed Sep 27, 2017 4:01 am   Subject: STAAD.Pro steel modelling
Dear Sasindran,

Following 2 points to be considered carefully while modeling steel elements in STAAD

1. Orientation of members shall be correct: This use to be problem generally for angle member ...
  Topic: Design of Footing for EQ resistant structures
Yogesh.Pisal

Replies: 18
Views: 8991

PostForum: SEFI General Discussion   Posted: Wed Sep 27, 2017 3:50 am   Subject: Design of Footing for EQ resistant structures
Dear Er Vijayarathnam,

I prefer following philosophy for the considering foundation stiffness.

1. Analysis 1: Assign fixed support irrespective of tie / Grade beams.

2. Work out foundation ...
  Topic: explanatory on IS 1893- Part 4(Industrial Structurs)
Yogesh.Pisal

Replies: 3
Views: 3640

PostForum: SEFI General Discussion   Posted: Wed Aug 16, 2017 1:25 pm   Subject: explanatory on IS 1893- Part 4(Industrial Structurs)
Amol,

We need to interpolate for the intermediate values of damping.

BIS has issued IS1893 Part 1 : 2016 recently and suggested to consider 5% damped response spectrum irrespective of MOC. I pre ...
  Topic: Clause in IS:1893 draft
Yogesh.Pisal

Replies: 23
Views: 17292

PostForum: SEFI General Discussion   Posted: Tue Mar 22, 2016 8:16 am   Subject: Clause in IS:1893 draft
Dear All,

Refer the Cl c-3, page no 44 in the following book.

http://www.iitk.ac.in/nicee/IITK-GSDMA/EBB_001_30May2013.pdf

This will focus on the requirement of 15% separation of time period ...
  Topic: HOW TO CALCULATE TIME PERIOD IF BUILDING HAS VARIABLE HEIGHT
Yogesh.Pisal

Replies: 8
Views: 4325

PostForum: SEFI General Discussion   Posted: Thu Feb 11, 2016 4:41 am   Subject: HOW TO CALCULATE TIME PERIOD IF BUILDING HAS VARIABLE HEIGHT
Dear Arunkumar,

It wont be possible for me to share project calculation. But, you can refer to the following procedure.

Consider the building with following configuration
a. Height of the build ...
 
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