M-Sand (Manufactured Sand)

Concrete Sand

IS 383:2016

Concrete Sand is coarse in nature and primarily used in the manufacture of ready mix concrete and asphalt. The Fineness Modulus of this sand is between 2.3 to 3.2. It is graded and washed adequately to remove unwanted silt for optimum mix-design.

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Plaster Sand

IS:1542:1992

Plaster Sand is is a very fine grade of sand used for internal and external render, plastering and screeding. It creates a smooth and even finish and can be used for filling cracks. The Fineness Modulus of this sand is not less than 1.4.

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VSI Dust

IS 383:2016

Crushed stone sand is produced by crushing hard stones to less than 4.75mm particles by using roller crushers or vertical shaft impactors (VSI). Crushed stone sand has better particle shape and contains lower level of silt content when compared to CRF/crusher dust. In the construction industry crushed stone sand is used in mortars for brick laying and in concrete applications by suitably altering the mix-design.

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Aggregates

10mm VSI

IS 383:2016

Aggregates are inert granular materials such as sand that, along with water and portland cement, are an essential ingredient in concrete. 10 mm Aggregates are mainly used in ready mix concrete, asphalt/bitumen/concrete roads base and sub-base course, pavements, separately or mixed with other aggregates depending on the application.

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20mm VSI

IS 383:2016

Aggregates are inert granular materials such as sand that, along with water and portland cement, are an essential ingredient in concrete. 20 mm Aggregates are mainly used in ready mix concrete, asphalt/bitumen/concrete roads base and sub-base course, pavements, separately or mixed with other aggregates depending on the application.

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40mm VSI

IS 383:2016

40mm aggregates are inert granular materials (not exceeding the nominal size 63 mm) such as sand that, along with water and Portland cement and/or asphalt/bitumen, are an essential ingredient in concrete. 40 mm Aggregates are mainly used for PCC in foundation, asphalt/ bitumen/ concrete roads as Base or sub-base course and in rigid pavements as base course separately or mixed with other aggregates depending on the application.

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10mm aggregate

IS 383:2016

Aggregates are inert granular materials such as sand that, along with water and portland cement, are an essential ingredient in concrete. 10 mm Aggregates are mainly used in ready mix concrete, asphalt/bitumen/concrete roads base and sub-base course, pavements, separately or mixed with other aggregates depending on the application.

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20mm aggregate

IS 383:2016

Aggregates are inert granular materials such as sand that, along with water and portland cement, are an essential ingredient in concrete. 20 mm Aggregates are mainly used in ready mix concrete, asphalt/bitumen/concrete roads base and sub-base course, pavements, separately or mixed with other aggregates depending on the application.

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40mm aggregate

IS 383:2016

Aggregates are inert granular materials such as sand that, along with water and portland cement, are an essential ingredient in concrete. 40 mm Aggregates are mainly used in ready mix concrete, asphalt/bitumen/concrete roads base and sub-base course, pavements, separately or mixed with other aggregates depending on the application.

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GSB

Table 400-1 of MORTH

Granular Sub Base (GSB) is natural or crushed material, used for road construction as a sub-base layer. Granular Sub Base is a layer in road foundation just above the compacted sub-grade layer. GSB or granular sub-base prevents capillary water from rising; its particle size is so designed that the capillary action stops and does not go beyond GSB layer. Secondly, it works like a drainage layer where water can pass without damaging other road layers.

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