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Properties and Indian Standard specifications of Aggregates

 Aggregates are commonly used in construction as a primary material for making concrete, mortar, and asphalt. Here are some of the properties and Indian standard specifications of aggregates:


Properties of Aggregates:


Size and Shape: Aggregates are available in different sizes and shapes, which affect the workability, strength, and durability of the concrete.


Density: The density of aggregates affects the workability and strength of the concrete. Dense aggregates provide higher strength and durability.


Strength: The strength of aggregates determines the strength of concrete, which depends on the type and quality of aggregates used.


Porosity: The porosity of aggregates affects the water absorption and durability of concrete.


Abrasion Resistance: The abrasion resistance of aggregates affects the durability of concrete.


Indian Standard Specifications for Aggregates:


IS 383: This standard specifies the quality of coarse and fine aggregates for concrete.


IS 2386: This standard specifies the test methods for aggregates, including size, shape, density, strength, porosity, and abrasion resistance.


IS 2116: This standard specifies the sand for construction purposes.


IS 383-2016: This revised standard specifies the quality and grading of fine and coarse aggregate for use in construction.


IS 2386 (Part IV): This standard specifies the test methods for aggregates, including abrasion resistance, soundness, and water absorption.


IS 2720 (Part 8): This standard specifies the test method for soil-aggregate mixture.


Overall, the properties and Indian standard specifications of aggregates play an important role in determining the quality, strength, and durability of concrete, mortar, and asphalt used in construction.

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