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milind_meher
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Joined: 17 Oct 2013
Posts: 1
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 Posted: Mon Aug 29, 2022 11:30 am Post subject: Review of existing practices . |
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Dear Mr. Vasudeo,
When we assign the soil investigation scope to geotech consultant, its our task as a structural Engineer to mention the specific requirements in soil investigation scope of work and the geotech consultants are bound to furnish the same in their report orovided they agree to it.
We can mention following in addition to regular req. E.g. Foundation reccomendations for set of footing sizes, Rafts , Modulus of subgrade reaction etc.
Hope this helps.
Thanking you
Milind Meher
On Mon, Aug 29, 2022, 12:52 VPandya <forum@sefindia.org (forum@sefindia.org)> wrote:
| Quote: | Sir ,
I have worked in USA for many years as a Structural Engineer . When working in India I noticed that GEOTECH ( SOIL CONSULTANT ) Consultant only give Soil Report ( Soil Borings or Rock Profile ) . In India Geotech Consultant does not decide whether to use :
1 Footings , or
2) Raft Foundations , or
3 ) Pile Foundations .
In USA Geotech Consultant get FOUNDATIONs REACTIONS from PDC and recommends type of Foundation to be used for the projects . In USA Geotech consultants are also license Professional Engineers ( P.E.) .
This code should be applicable to Soil Consultants asking them to tell PDC what type of Foundation to use.
ANY COMMENTS ?
Regards .
Vasudeo Pandya P.E.
Structural Engineer
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zadda suresh
SEFI Member
Joined: 06 May 2016
Posts: 1
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| Posted: Tue Aug 30, 2022 6:30 am Post subject: Review of existing practices . |
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Thanks a lot.
On Mon, Aug 29, 2022 at 2:56 PM JVCSNL <forum@sefindia.org (forum@sefindia.org)> wrote:
| Quote: | The soil (geotech) consultant provides the recommendations as prescribed in the order given to them for their services. Hence, it is prudent to define clearly what is expected loading on soil and what type of foundation design we are likely to adopt.
As a structural engineers, we shall inform the probable permissible SBC requirement based on the building/structure we are designing. As there can be lot of possibilities in the type of foundation system and geotechnical parameters, it is imperative to inform the possible loading on soil. In fact, it shall also include whether the type of foundation will be isolated, strip or raft type so that geotech consultant provide necessary data at different levels. In case, soil is not capable of desired SBC, it is necessary to seek data pertaining to different pile capacities, for various diameters and pile lengths.
For unknown sites, interaction between structural and geotechnical engineer shall continue for optimum foundation design concepts.
Best Regards,
Jignesh V Chokshi
From: VPandya
Sent: Monday, August 29, 2022 10:19 AM
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Subject: [ECONF] Review of existing practices .
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Sir ,
I have worked in USA for many years as a Structural Engineer . When working in India I noticed that GEOTECH ( SOIL CONSULTANT ) Consultant only give Soil Report ( Soil Borings or Rock Profile ) . In India Geotech Consultant does not decide whether to use :
1 Footings , or
2) Raft Foundations , or
3 ) Pile Foundations .
In USA Geotech Consultant get FOUNDATIONs REACTIONS from PDC and recommends type of Foundation to be used for the projects . In USA Geotech consultants are also license Professional Engineers ( P.E.) .
This code should be applicable to Soil Consultants asking them to tell PDC what type of Foundation to use.
ANY COMMENTS ?
Regards .
Vasudeo Pandya P.E.
Structural Engineer
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dilip1464
SEFI Member
Joined: 15 Mar 2012
Posts: 5
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| Posted: Tue Aug 30, 2022 6:30 am Post subject: Review of existing practices . |
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HiYes, thats the truth,
The whole system is wrong.
Regards
On Tue, 30 Aug 2022, 03:54 vishnu75, <forum@sefindia.org (forum@sefindia.org)> wrote:
[quote] Agreed. In India, structural engineers will be even blamed! Are you so incompetent, cant you decide, and so on!
Often the structural engineer is asked to check the soil and advise how much SBC we get!
Vishnu
On Mon, Aug 29, 2022 at 10:19 AM VPandya forum@sefindia.org (forum@sefindia.org))> wrote:
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V K Pareek
General Sponsor
Joined: 03 Jul 2009
Posts: 2
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| Posted: Tue Aug 30, 2022 7:30 pm Post subject: Review of existing practices . |
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I agree with your comments.The Geotechnical consultant shall recommend the type of foundation for the structure along with the Geotechnical Report.
Thanks
On Mon, Aug 29, 2022 at 10:20 AM VPandya <forum@sefindia.org (forum@sefindia.org)> wrote:
| Quote: | Sir ,
I have worked in USA for many years as a Structural Engineer . When working in India I noticed that GEOTECH ( SOIL CONSULTANT ) Consultant only give Soil Report ( Soil Borings or Rock Profile ) . In India Geotech Consultant does not decide whether to use :
1 Footings , or
2) Raft Foundations , or
3 ) Pile Foundations .
In USA Geotech Consultant get FOUNDATIONs REACTIONS from PDC and recommends type of Foundation to be used for the projects . In USA Geotech consultants are also license Professional Engineers ( P.E.) .
This code should be applicable to Soil Consultants asking them to tell PDC what type of Foundation to use.
ANY COMMENTS ?
Regards .
Vasudeo Pandya P.E.
Structural Engineer
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Ravichandran_Ramachandran
General Sponsor
Joined: 01 Sep 2014
Posts: 5
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| Posted: Wed Aug 31, 2022 4:01 am Post subject: Review of existing practices . |
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Dear Sir,
In India also, the Geo Technical Consultants provide their recommendation on the type of foundation to be provided in their report.
Regards,
R.Ravichandran
On Mon, 29 Aug 2022 at 10:22, VPandya <forum@sefindia.org (forum@sefindia.org)> wrote:
| Quote: | Sir ,
I have worked in USA for many years as a Structural Engineer . When working in India I noticed that GEOTECH ( SOIL CONSULTANT ) Consultant only give Soil Report ( Soil Borings or Rock Profile ) . In India Geotech Consultant does not decide whether to use :
1 Footings , or
2) Raft Foundations , or
3 ) Pile Foundations .
In USA Geotech Consultant get FOUNDATIONs REACTIONS from PDC and recommends type of Foundation to be used for the projects . In USA Geotech consultants are also license Professional Engineers ( P.E.) .
This code should be applicable to Soil Consultants asking them to tell PDC what type of Foundation to use.
ANY COMMENTS ?
Regards .
Vasudeo Pandya P.E.
Structural Engineer
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vikram.jeet
General Sponsor
Joined: 26 Jan 2003
Posts: 3706
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| Posted: Wed Aug 31, 2022 4:15 am Post subject: |
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| Yes , geotech Consultants in their report recommend type of Foundation in India too. ( already stated in my previous post) |
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badamsundararao
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Joined: 24 Dec 2009
Posts: 215
Location: KAKINADA ANDHRA PRADESH
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| Posted: Wed Aug 31, 2022 12:52 pm Post subject: Review of existing practices . |
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Dear sir,
The Geo tech engineer should specifically say about type of Foundation along with Limitation in footing width and size based on Soil profile.Restricting footing width becomes necessary in cases where the bearing capacity is very low after a particular depth.If this alarm is not suggested by the Geo tech engineer,the Structural engineer may not restrict the Footing width and thereby settlement of foundations may take place.Also the Geo tech engineer should suggest the Possibility of Soil stabilization for such situations. Effect of Liquefaction is also to be discussed based on situation.Geo tech engineer should also be a part in the Code.
On Wed, Aug 31, 2022 at 3:15 AM VPandya <forum@sefindia.org (forum@sefindia.org)> wrote:
| Quote: | Sir ,
I have worked in USA for many years as a Structural Engineer . When working in India I noticed that GEOTECH ( SOIL CONSULTANT ) Consultant only give Soil Report ( Soil Borings or Rock Profile ) . In India Geotech Consultant does not decide whether to use :
1 Footings , or
2) Raft Foundations , or
3 ) Pile Foundations .
In USA Geotech Consultant get FOUNDATIONs REACTIONS from PDC and recommends type of Foundation to be used for the projects . In USA Geotech consultants are also license Professional Engineers ( P.E.) .
This code should be applicable to Soil Consultants asking them to tell PDC what type of Foundation to use.
ANY COMMENTS ?
Regards .
Vasudeo Pandya P.E.
Structural Engineer
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abhishekstreng
SEFI Member
Joined: 05 Feb 2013
Posts: 1
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| Posted: Sat Sep 03, 2022 9:30 am Post subject: Review of existing practices . |
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Dear Mr. Vasudeo,
In my view, based on the facts:
a) the expertise of a Geotech engineer is understanding and assessment of supporting soil
b) core experience of a structural engineer is to look into the structural performance of the structure (in this case foundation)
The Geotech Engineer should suggest that the foundation type and designing of the foundation type should be the responsibility of the Structural Engineer.
Thanks & Regards,
Abhishek.
On Mon, Aug 29, 2022 at 10:22 AM VPandya <forum@sefindia.org (forum@sefindia.org)> wrote:
| Quote: | Sir ,
I have worked in USA for many years as a Structural Engineer . When working in India I noticed that GEOTECH ( SOIL CONSULTANT ) Consultant only give Soil Report ( Soil Borings or Rock Profile ) . In India Geotech Consultant does not decide whether to use :
1 Footings , or
2) Raft Foundations , or
3 ) Pile Foundations .
In USA Geotech Consultant get FOUNDATIONs REACTIONS from PDC and recommends type of Foundation to be used for the projects . In USA Geotech consultants are also license Professional Engineers ( P.E.) .
This code should be applicable to Soil Consultants asking them to tell PDC what type of Foundation to use.
ANY COMMENTS ?
Regards .
Vasudeo Pandya P.E.
Structural Engineer
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