What can be used instead of aggregate concrete?

Other Substitutes of Aggregates in Concrete

• Rice husk.
• Sawdust.
• Oyster Shell.
• Tobacco waste.
• Groundnut shell.
• Cork.
• Sugarcane Bagasse Ash.

Which material can we use to replace for coarse aggregates?

Coconut shells can be available in adequate quantity. According to study on coconut shell concrete it is found that the course aggregate in concrete can be replaced by coconut shell and it gives 65\% strength that of conventional concrete.

What can be used as substitute for sand?

So let us see what are the alternatives for Sand that we can consider for construction purposes :

• Copper slag.
• Granulated blast furnace slag.
• Bottom ash.
• Quarry dust.
• Foundry sand.
• Construction and demolition waste.
• Benefits of Alternatives –

Which of the following material is used as fine aggregate in mortar and concrete?

Types of Fine Aggregate. Usually, sand, crushed stone, and crushed bricks are used as fine aggregate in concrete or pavement construction.

What is composite cement?

Composite cements are cements in which a proportion of the Portland cement clinker is replaced by industrial by-products, such as granulated blastfurnace slag (gbs) and power station fly ash (also known as pulverized-fuel ash or pfa), certain types of volcanic material (natural pozzolanas) or limestone.

Which of the following materials is commonly used as coarse aggregate as part of a concrete mixture?

Gravels constitute the majority of coarse aggregate used in concrete with crushed stone making up most of the remainder. Natural gravel and sand are usually dug or dredged from a pit, river, lake, or seabed. Crushed aggregate is produced by crushing quarry rock, boulders, cobbles, or large-size gravel.

Can you prepare concrete without using fine aggregates?

No-Fines Concrete is a lightweight concrete made up of only coarse aggregate, cement and water by omitting fines (sand or fine aggregates) from normal concrete.

What are the examples of fine aggregate?

Sand, surki, stone screenings, burnt clays, cinders, fly ash, etc are used as fine aggregate in concrete. Brick chips (broken bricks), stone chips (broken stones), gravels, pebbles, clinkers, cinders etc.

What is a substitute for cement?

Consisting of fine silicon dioxide particles that are approximately one-hundredth the size of the average cement particle, silica fume is the cement substitute of choice where high strength is critical, such as in high-rise buildings. Cement that contains silica fume looks darker than ordinary cement.