Abstract
Wind effects on very tall structures become critical for the design. The present code IS 875 (Part 3) 1987 which deals with wind effects on structures is under revision. The proposed draft is under circulation. In this paper, the proposed draft is thoroughly examined and compared with the existing code. Both the static and dynamic methods discussed in the code are used for analyzing the multistory frames of 20 to 100 stories. The study includes the wind effects on structures located on the costal belt of the country as well as in the interior part of the country. Based on the study, important conclusions and short comings in the existing code and proposed draft are pointed out. Also the importance of dynamic method is studied and pointed out after a comparison with the static method.
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