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Comparison of P-Delta Effect on a Slender RCC Chimney by using Beam-Column Theory and STAAD PRO

Authors(2):

Dr. S.S Patil, Mundewadi A. R
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Chimneys are very tall and slender structures. As per ISIS 4998 (Part 1): 1992, major loads considered for analysis of chimneys are wind loads and earthquake load. Each of them is combined with dead load to get the most critical load for designing a chimney. This paper presents the analysis of a slender RCC chimney with a combination of dead load and wind load. Firstly beam column theory is applied on a tall slender chimney and general equations are developed for bending moment with and without the consideration of second order analysis. Validation of same is done by a typical problem of a tall chimney. Dead load of the structure is calculated by using frustum of a cone method. Wind load is calculated as per IS 875 (part3)-1987. Analysis is carried out by the combination of dead load and wind load. The dynamic effect is ignored. Bending moments are calculated manually by using beam column theory for first and second order analysis of chimney. These results are later compared with STAAD PRO results.

Dr. S.S Patil, Mundewadi A. R

RCC Chimney, Second order analysis, beam-column theory, P-delta effect.

  1. Manohar, S.N.,"Tall Chimneys", Tata McGraw-Hill Publishing Company Limited, New Delhi, 1981.
  2. I.S 4998 (Part1) - 1992, Indian Standard Code of Practice for Criteria for Design of Reinforced Concrete Chimneys. Part 1: Assessment of Loads. (Bureau of Indian Standard, New Delhi)
  3. IS 1893(Part1) - 2002, Indian Standard Code of Practice for Criteria for Earthquake Resistant Design of Structures. Bureau of Indian Standard, (New Delhi)
  4. IS 875 (Part3) - 1987, Indian Standard Code of Practice for Criteria for Design Loads (Other than Earthquake) For Buildings and Structures. (Bureau of Indian Standard, New Delhi)
  5. B. J. Davidson" P Delta effects in multi-storey structural design"

Publication Details

Published in : Volume 1 | Issue 5 | September-October - 2015
Date of Publication Print ISSN Online ISSN
2015-09-29 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
110-115 IJSRSET151522   Technoscience Academy

Cite This Article

Dr. S.S Patil, Mundewadi A. R, "Comparison of P-Delta Effect on a Slender RCC Chimney by using Beam-Column Theory and STAAD PRO", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 1, Issue 5, pp.110-115, September-October-2015.
URL : http://ijsrset.com/IJSRSET151522.php