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TECHNICAL PAPER

4.3 Revision/formulation of standards in the Standard Title
area of cement and cementitious materials IS: 383 - Part 1 Aggregates ‑ specification: coarse and fine aggregates
for concrete (under development)
The Indian Standards for cement and cementitious materials IS: 383 - Part 2 Aggregates ‑ xpecification: coarse and fine aggregates
have evolved through a long scientific progression, beginning for mortar and masonry (under development)
with early strength‑ and composition‑based specifications in
the 1950s-1970s and gradually shifting toward performance, Based upon the study carried out by NCCBM, IS: 383 is being
durability, and sustainability. Core product standards such revised. The standard will now include the different types of
as IS: 269 (OPC), IS: 455 (PSC), IS: 1489 (PPC), IS: 16415 manufactured aggregates as mentioned in Table 3 and 4 along
(Composite Cement) and related codes have undergone with their extent of utilization.
multiple revisions reflecting advances in clinker chemistry, The revision of IS: 383 is supported by update versions of
mineral admixture utilization, energy efficiency, and emission standards on testing - IS: 2386 - Part 1 to Part 5 [48-52] and
reduction. The recent introduction and revision of standards for standard on sampling methods - IS: 2430 . The details of the
[53]
Portland limestone calcined clay cement (IS: 18189), composite same are as under:
cement (IS: 16415), slag-rich binders, and blended cements
with fly ash, GGBS, silica fume, calcined clay, copper slag or Standard Title
LD slag reflect a shift towards low‑carbon, resource‑efficient IS: 2430 Methods for sampling of aggregates for concrete
cements aligned with circular economy principles. Despite these
IS: 2386 - Part 1 Methods of test for aggregates for concrete :
advances, full harmonization with ASTM C150/C595/C618, determination of physical properties
EN 197 series, and ISO 679/14021 is still evolving. Current IS 2386 - Part 2 Methods of test for aggregates for concrete :
scientific momentum emphasizes the need for further revision determination of mechanical properties
and formulation of Indian Standards toward internationally IS 2386 - Part 3 Methods of test for aggregates for concrete :
aligned, sustainability-driven, performance-oriented determination of durability properties
specifications that support modern concrete technology, IS 2386 - Part 4 Methods of test for aggregates for concrete :
durability assurance, and national decarbonization goals. Drafts determination of chemical and hazardous properties
of specifications for Portland Limestone Cement (PLC) and IS 2386 - Part 5 Methods of test for aggregates for concrete :
recommendations for the revision of fly ash‑slag composite petrographic examination of aggregates
cement, IS: 16415 have been submitted to BIS for consideration
and deliberation. In the area of sintered lightweight aggregate, the extensive
research carried out at NCCBM has directly contributed to the
4.4 Revision of IS: 383 aggregates‑ revision of IS: 9142 Parts 1 and 2, resulting in the inclusion of new
specification: coarse and fine aggregates for provisions addressing the engineering properties of structural
concrete and IS: 2386 methods of test for lightweight concrete.
aggregates for concrete
4.5 Revision of IS: 1199 analysis of fresh
Since its first publication in 1952 and subsequent revisions concrete and IS: 516 test methods for
in 1963 and 1970, IS: 383 focused exclusively on natural hardened concrete
aggregates. A major shift occurred with the 2016 revision,
which for the first time incorporated manufactured, recycled, IS: 1199 (Methods of Sampling and Analysis of Concrete)
and industrial by-product aggregates. The current revision was first published in 1959, revised in 1959/1960, and
aims to further broaden aggregate sources and establish later comprehensively updated in 2018 as IS: 1199
more comprehensive quality controls extending beyond size (Part-1 to Part-3) (2018), introducing modern test methods,
and grading to include durability, chemical compatibility, and fresh-concrete rheology, workability by newer apparatus, and
consistency across various aggregate types. This transition improved sampling procedures. IS: 516 (Methods of Tests
reflects advancements in material science, sustainability, and for Strength of Concrete) originated in 1959 and remained
durability-based concrete design, aligning the aggregate unchanged for decades until its major scientific upgrade in 2018‑
standard with contemporary concrete technology. The 2021, when it was split into IS: 516 (Part-1 to Part-5) covering
revised IS: 383 Parts 1 and 2 [46,47] , as listed below, mark a compressive, flexural, tensile, static modulus, and nondestructive
major advancement by incorporating a wide spectrum of new tests with updated equipment standards and precision
aggregate sources-including materials from the iron and steel requirements. Both standards are presently undergoing further
industry, copper industry, C&D waste, and bottom ash from scientific addition of standards on test methods to align with
thermal power plants. high-performance concrete, digital testing systems, and

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