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SKSNL at ltecd.ltindia... Guest
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Posted: Wed Oct 08, 2003 6:37 am Post subject: Clause no. 3.1.2.2 of draft IS:800 |
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I understand, what Jignesh wanted to say was that the subject clause in its present form would create confusion and controversy, especially with the projects involving peer review. I think just a slight re-wording of the clause will not solve the problem. The phrase "conveniently adopted" may see varied interpretation by different agencies and engineers.
Instead, the choice of adopting WSD or LSM should be clearly given to the purchaser. When purchaser do not specify anything, the right of choice should remain with the design engineer.
At this juncture, when both the design methods are retained, I feel, code should not exhibit a bias towards any particular method.
For example, API-650 (Welded steel tanks for oil storage) stipulates two methods for design of shell. Here the right is given to the purchaser to decide which method he wants to be adopted. Similarly, AISC has got two parallel documents for ASD and LRFD. But AISC does not advocate for either of these.
Respectfully,
Subhamoy Kar
---------------------------------------------------------- prabh@mantraonline.com wrote:
Subject: E-conference on IS:800 Draft (LSM) Date: 07/10/03 Time: 21:33:05
Dear Structural Engineers,
I would like to write the following observations on the draft code which may be considered by the code committee:
1. Clause 3.1.2.2 in page 28 may be reworded as follows:
"Where the Limit State Method cannot be conveniently adopted, Working Stress Method (Section 11) shall be used.
Yours truly,
N. Prabhakar Chartered Structural Engineer 404 Star View Aptmnts Sion Trombay Road at Chembur Mumbai 71
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