What is the scope of IS 4845?

It defines nomenclature and terminology strictly related to hydraulic cement, its manufacturing, and its constituents.

Does this code specify the strength requirements of cement?

No, it is strictly a terminology code. Refer to specific material codes like IS 269 for physical and chemical requirements.

Are definitions for concrete and aggregates included in this code?

No, only terms related to hydraulic cement are covered. For concrete terminology, refer to IS 6461.

IS 4845

: 1968

Definitions and terminology relating to hydraulic cement

CurrentSpecializedTerminologyMaterials Science · Cement, Concrete, Aggregates and RCC

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This standard provides standard definitions and terminology for various types of hydraulic cements, their constituents, and related manufacturing terms. It ensures uniform understanding of cement-related nomenclature across Indian Standards, specifications, and construction contracts.

Definitions and terminology relating to hydraulic cement

Practical Notes

Use this code to resolve ambiguities or contractual disputes regarding the exact definition of cement types and constituents.

This is purely a definitional standard. For physical and chemical specifications, refer to the respective cement product codes (e.g., IS 269, IS 1489).