Sand

Sand is a naturally present gritty material composed of finely divided rock and mineral particles. It is characterized by size, being coarser than silt and finer than gravel. ISO 14688 scores sands as fine, medium and coarse with ranges 0.063 mm to 0.2 mm for fine >0.2mm and < 0.63 mm for medium and >0.63mm to <2.0 mm as coarse.

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Detailed Description for Sand

Composition:


Sand particles diameter ranges from 0.0625 mm to 2 mm. If an individual particle happens to fall in the above mentioned range size, then it is termed as a sand grain.
Sand is commonly classified into five sub-categories based on size in the United States of America: very fine sand (0.0625– 0.125mm diameter), fine sand (0.125mm –0.25mm), medium sand (0.25mm –0.5mm), coarse sand (0.5mm – 1 mm), and very coarse sand (1 mm – 2 mm). The above sizes are based upon a scale called the Krumbein phi scale, where size in Φ = -log2D; D is the sand grain size in mm. For sand, the valuation of Φ ranges from −1 to +4.

Types of Sand:

Pit Sand (Coarse sand)

Pit sand is comes under the coarse sand category which is also termed badarpur in common language. This is the type of sand that is obtained from deep pits of copious supply and is generally in red-orange colour. The coarse grain is sharp, angular and free from salts and this helps in the field of concreting.



River sand

River sand is obtained from streams and banks of rivers and the sand grain is fine in quality unlike pit sand. River sand has rounded grains generally in white-grey colour. River sand is used in the construction purpose such as plastering.



Sea Sand
Sea sand is obtained from seas shores and is generally in a unique brown colour with fine sand grains which is usually circular. Used for local purposes.



Applications


1.    Agriculture: For crops such as watermelons, peanuts, and peaches sandy soils are perfect and their excellent drainage features make them appropriate for thorough dairy farming.
2.    Aquaria: A low cost aquarium base material is sand which many believe is better than gravel.
3.    Artificial Reefs: The foundation for new artificial reefs could be geotextile bagged sand.
4.    Artificial Islands: Sand is an efficient material to create an artificial island.
5.    Beach nourishment: Beaches which has high windy environment is affected from erosion of the sand and hence for nourishment of these kind of beaches, government agencies move sand to such locations.
6.    Brick: Sand is mixed with clay for the purpose of manufacturing bricks.
7.    Cob: Cob is made up of 75% of cob.
8.    Concrete: Sand is the perfect and the best suited material that has to be mixed with cement to obtain very strong concrete blocks.
9.    Glass: The principal component in manufacturing of glass is concrete.


Advantages


•    Low Cost

•     No skilled operators needed

•     Equipments are cheap and easy to deal with.

•     Suitable for few small production rates

•     Can produce large (very large) castings (i.e. Pit casting in a very large hole in the ground the molten metal is poured)

•     Soil Adaptation

•     Water Content

•     Superior comfort.

•     Greater Durability

•     High Strength

•     Greater Workability

•     Offsets Construction Defects

•     Economy

•     Eco-Friendly




 

                                                                                    

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Buying Tip- See what like buyers had to say!



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Seema S

Reliable vendor is the key Posted on 8/16/2016

Sometimes, good river sand is adulterated with cheaper filter sand. Filter sand is obtained by washing the soil with water and filter the sand which remains. This is not a good sand and it’s hard to spot. Select a good reliable vendor based on reviews from contractors or builders.

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