Discussion
Which of the following IS codes provides guidelines for estimation of deleterious materials and organic impurities present in the aggregates used for making concrete?
Answer: A
IS 2386 (Part II) - 1963 covers the estimation of deleterious materials and organic impurities in aggregates for concrete (clay, silt, coal, shale, organic matter and so on). Part I of IS 2386 deals with particle size and shape, and Part IV deals with mechanical properties such as crushing and abrasion values. IS 383 gives the specification for coarse and fine aggregates from natural sources, and sets limits for these materials but is not the test method.
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