Indiacon Civil

Structures Library

Chimneys and cooling towers

What it is

Tall shells that carry flue gas away or cool water in power and process plants.

How it works

A chimney resists wind as a tall cantilever; a hyperbolic cooling tower uses its curved thin shell for stiffness.

Diagram: Indiacon original, not to scale.

Main components

Shell, liner, foundation, platforms; for cooling towers the fill, columns and basin.

Key codes

IS 4998, IS 6533, IS 11504. Cited by number only; get the text from BIS or the issuing body.

Notable projects

Cooling towers at thermal power stations.

Videos

Last reviewed: 23 Oct 2026. Sources: official publications and cited standards, see sources and policy. Report an error: comment on the related video on YouTube.