EISMIC ANALYSIS AND DESIGN OF RCC CHIMNEY
| Author(s) | : | Aneet Khombe, Anand Bagali, Md Imran G, Irayya R, Sachin R Kulkarni |
| Institution | : | B.E Final Year Students, Department of Civil Engineering, SECAB Institute Engineering & Technology, Vijayapur-586101, VTU Belagavi, Karnataka, India |
| Published In | : | Vol. 3, Issue 5 — May 2016 |
| Page No. | : | 903-913 |
| Domain | : | Engineering |
| Type | : | Research Paper |
| ISSN (Online) | : | 2348-4470 |
| ISSN (Print) | : | 2348-6406 |
Chimneys are characterizing landmarks of power plants and industrial setups. Chimneys are required to carryvertically and discharge, gaseous products of combustion, chemical waste gases, and exhaust air from and industry tothe atmosphere. Rapid growth of industrialization and increasing need for air pollution control has made RC chimneys acommon structure in the modern scenario. With large scale industrialization, number of chimneys and stacks beingconstructed is increasing year by year. In many industries chimneys are required to leave hot waste gasses at greaterheight. The chimneys of 50-100m are very commonly used RC chimneys becoming more and more popular because ofeconomy in construction and maintenance. Maintenance cost of steel chimneys is high and brick chimneys become tobulky and costly when height of chimney is more than 30m. The outer diameter of chimneys may be kept constantthroughout or may be linearly varied. The thickness of concrete shell may be varied in steps or linearly. Reinforcedconcrete chimneys are subjected to various loads such as self-weight, wind load, earthquake load and temperaturevariation. The design of RC chimney is carried out by selecting the section first and then checking for stress development.The Present paper deals with the study of Seismic Analysis and design of Industrial chimney. The Existing chimney ischosen from Raichur Thermal power station [RTPS]. Existing chimney of 220m height was analyzed in STAAD Prosoftware with varying heights. The chimney heights are varied and behavioral changes due to static and seismic loadsare observed. Plate element, line element was chosen from STAAD pro software for modeling of chimney. Seismicanalysis is carried out for different earthquake zones (i.e. Zone II, Zone III, Zone IV).Maximum Displacements, Maximum shear forces, Maximum bending moments, stresses are obtained from the analysis.Maximum Displacement v/s height of chimney, Maximum shear force v/s height of chimney, maximum bending momentv/s height of chimney is plotted graphically.
Aneet Khombe, Anand Bagali, Md Imran G, Irayya R, Sachin R Kulkarni, “EISMIC ANALYSIS AND DESIGN OF RCC CHIMNEY”, International Journal of Advance Engineering and Research Development (IJAERD), Vol. 3, Issue 5, pp. 903-913, May 2016.
