IS 10262:2019 — Clause Reference

Target Mean Strength

Clause 4.1 establishes the target mean compressive strength (f'ck) that the mix must be designed to achieve. The target …

Selection of Water-Cement Ratio

Clause 4.2 covers the selection of the free water-cement ratio. The W/C ratio is first selected based on the generalized…

Estimation of Water Content

Clause 4.3 provides the estimated water content required per cubic metre of concrete for the desired workability. Table …

Calculation of Cement Content

Clause 4.4 determines the cement content from the free water content (Clause 4.3) and the selected water-cement ratio (C…

Proportion of Coarse Aggregate and Fine Aggregate

Clause 4.5 determines the proportion of coarse aggregate (CA) and fine aggregate (FA) in the mix. Table 3 provides the v…

Mix Calculations

Clause 4.6 brings together all the preceding steps into a complete mix calculation using the absolute volume method. The…

Trial Mixes and Adjustments

Clause 4.7 mandates that the designed mix proportions must be verified through laboratory trial mixes before use in actu…

Mix Design with Mineral Admixtures

Clause 5 extends the mix design procedure of Clause 4 to incorporate mineral admixtures such as fly ash (pulverised fuel…