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Joined: 21 Apr 2008
|Posted: Mon Oct 06, 2003 6:11 am Post subject: Welcome to the 4th e-Conference of SEFI
Greetings and a warm welcome to the 4th e-conference of SEFI!
For the benefit of new subscribers, we may inform you that the SEFI
(Structural Engineers Forum of India) website came into existence on January
26 2003, the Republic day of India and the second anniversary of the Bhuj
earthquake. This website was born as one measure to rededicate ourselves as
a community to the cause of making a safer and stronger India. The website
(www.sefindia.org) provides a very vibrant discussion group and excellent
links to a whole range of structural engineering websites and information
We are pleased now to begin the 4th e-conference on "The draft revisions of
The IS:800-1984, the current Indian code of practice governing the design of
steel structures did not reflect even the state of the art prevailing at the
time of its release. Considerable progress in research, development and
practice has taken place since the code was released. Further, with
globalization of engineering practice, many practicing engineers have faced
difficulty in designing steel structures based on the outdated code.
Realizing these difficulties the Bureau of Indian Standards, New Delhi
requested faculty members in the Structural Engineering Laboratory,
Department of Civil Engineering, Indian Institute of Technology Madras to
help a draft the next version of IS:800.
This work was carried out in a project mode with the financial support from
the Institute for Steel Development and Growth (INSDAG), Calcutta. In order
to help with the review of the draft code provision, a small committee was
constituted by the faculty members involved, consisting of members drawn
from academic and research institutions, practicing engineers and
consultants, as well contractors, mostly from in and around Chennai. The
list of the committee members is presented at the end.
It was decided by the Committee that the new draft code will be based on the
Limit States Method of Design, due to its many inherent merits. Further, it
would be in consonance IS:456-2002, the Indian Code of Practice for the
Design of R C Structures as well as most other international codes of
practice for the design of steel structures. The Committee reviewed and
approved the outline of the new draft code after a few iterations, keeping
in view the new draft should be easy for engineers to understand and use. In
India the research and development activity in the area of steel structures
is very limited and hence the new draft code had to be based on the
international experience. Never the less the draft code takes into
consideration Indian practice to the extent possible. In a few areas, where
even the International design provisions were inadequate, R&D activities
were completed to develop appropriate provisions.
IITM produced a background report for each major section. These reports
consisted of review of the state of the art as well as design provisions of
various international codes, comparison of the theory and experimental
results and recommendations for IS:800 draft provisions on the topic. The
background reports were presented and discussed in the committee meetings
held at IITM and the design provisions were evolved for the draft code.
After this, a complete first draft report was prepared and reviewed by the
committee. Nearly 15 meetings were held for these reviews. The first
version of the draft report was finalized based on this review. Nearly one
hundred copies of the first draft code cleared by the committee was
circulated by IITM and INSDAG among practicing professionals all over the
country, in order to obtain their feedback on the draft code. Review of
these comments by the committee led to a few changes in the draft provisions
in the first draft before the draft code was submitted to BIS. The BIS has
now sent the draft code for wide circulation to the members in its mailing
list. A review meeting of the sub-committee has been scheduled on October
16, 2003 at BIS to look into the comments received from wide circulation.
It is appropriate that the e-conference is being hosted at this juncture by
IIT Kanpur and SEFI to obtain a very wide review of the draft code using
electronic media. We are thankful to IIT Kanpur and SEFI for this
A full text of the draft code has been put on SEFI to provide access to the
draft code to all the members. It should be noted that the draft code is a
vast improvement over the previous code (IS:800-1984), with new provisions
on Partial Safety Factor based Limit States Method of design, analysis
methods, Friction type bolted and welded connections, Design against
Fatigue, Design for Fire Load, Design for Durability, Design by Testing,
etc. Design provisions for different types of members have been improved to
reflect the state of the art.
We request all SEFI members to kindly go through the draft of the IS:800
code on the web page and give your well thought out feedback for further
improvements. We will take into consideration all such comments for the
improvement of the final version of the code while the draft and comments
from the wide circulation are reviewed by the national sub-committee of the
BIS during its meeting on October 16, 2003. With all the feedback we receive
from all of you, we hope to improve on the draft. When this draft code is
adopted and used effectively, our practice in the design of steel structures
will be comparable with the best of international practices.
We thank in advance SEFI for the support in conducting the e-conference and
all SEFI members for their time and valuable comments.
Members of the Committee, which helped in preparation of the first draft of
Mr. Arul Jayachandran, SERC
Dr. T. K. Bandyopadhyay, INSDAG
Mr. H. G. Chandra Shekhar, Kirby Steel
Mr. G. S. S. Chellakumar, MN Dastur
Dr. S. Divakaran, Retd. Prof.
Prof. V. Kalyanaraman, IIT Madras
Dr. R. N. Krishna, Consultant
Dr. N Pandian, SERC
Mr. R. Ramanathan, L&T ECC
Prof. L. N. Ramamurthy, Retd. Prof.
Prof. G. M. Samuel Knight, Anna Univ.
Prof. A. R. Santhakumar, Anna Univ.
Dr. S. R. Satish Kumar, IIT Madras
Dr. S. Seetharaman, SERC
Mr. R. Senthil, Anna Univ.
Dr. C. N. Srinivasan, CR Narayanarao Architects & Engineers
Dr. N. Subramanian, Computer Design Consultants
Mr. T. Venkatesh Rao, L&T ECC
Posted via Email
|mishramk at hotmail.com
|Posted: Mon Oct 06, 2003 7:08 am Post subject: Welcome to the 4th e-Conference of SEFI
|Firstly I must congratulate SEFI, IIT-Kanpur & IIT-Madras for initiating a
path breaking trend of holding an e-conference on draft revisions of an
important day-to-day use code. This speaks well for the future of the code
development in India wherein a large number of people from all across the
country will be able to air their views. I also hope this is the harbinger
for future code revision processes since a mechanism such as this will help
to get a wider feedback from the users of the revised codes. I think it is
very important for all of us to take the time out and participate in the
On going through the draft revisions, my first reaction was that the changes
are so drastic that all the other reference materials which structural
engineers use for designing steel structures has become redundant in one
stroke. We do not have any fallback to look up any other reference material
like books, commentaries etc, if things are not very clear in the code. All
the other existing reference material are on a Working Stress Method, while
the new code is entirely on the Limit State Method. Even the chapter on WSM
is very different from what we are used to as per the earlier code.
On this note I would request the code developers to provide a list of some
reference materials like books etc, so we have other sources also to make
our understanding of the code more coherent & firm. I would also request
that such a drastic revision in a widely used code be coupled with an
explanatory handbook, which I feel is absolutely imperative for the proper
understanding and thus the implementation of the code.
I hope I have not sounded very negative, since I realize the need for
drastic revisions for coming at par with the latest technologies, research &
methodologies. All I have tried to do is to be candid in airing my concerns
as an end user, since I have an opportunity to do so.
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