Building Tough

27 Jan 2026 CW Team

Ultra-high-performance concrete is the need of the hour for strong, durable and enduring structures, writes Prof AS KHANNA.

The need of the hour is stronger buildings that require durable, tough and stable concrete that can withstand both normal and seismic conditions. The question is, is Ordinary Portland Cement (OPC) sufficient to take care of such requirements?

A stable building structure can be made with a good quality of cement + sand + water. Its quality can be enhanced by keeping the density of admixture higher (varies from 30 in normal buildings to 80 in bridges, etc). Further enhancement in the properties of various cements admixtures is made by adding several additives (construction chemicals) that render additional strength, waterproofing and flexibility...

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Infrastructure Urban

27 Feb 2026

Manohar Lal Inaugurates Municipalika 2026

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