Why Are Round Water Tanks Better than Box-shaped Water Tanks?

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Round water tanks have several structural advantages.

The most commonly used water reservoirs have curved surfaces. They may have a spherical, paraboloid or cylindrical shape. Such round tanks enjoy structural advantages over tanks with square or rectangular surfaces.

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Economical Structure

  • A cylindrical water tank has the least possible ratio of circumference to area i.e. less surface area than a box-shaped water tank that holds the same amount of water. For this reason, a spherical water tank requires less building material than its box-shaped equivalent and is consequently more economical to build.

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Structural Strength

  • A round structure is the strongest geometrical structure and is stronger than box-like alternatives, according to Monolithic. Therefore, a round structure will more successfully withstand the outward-directed force of the water stored within and the force of wind and rain that impinges upon the structure from without.

Constant Heat Level

  • Because round structures minimize the surface area through which heat can radiate, they keep the enclosed water at a more constant temperature than box-like structures. As a result, the water is less affected by ambient temperature fluctuations and also loses less heat in winter and gains less heat during the summer.

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Cleaning and Hygiene

  • Round tanks are much easier to keep clean than those with corners. Corners are known to harbour microbes.


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