3. Definition:
Sand is a loose, fragmented, naturally- occurring
material consisting of very small particles [fine to
medium-sized
particles
between
2mm
and
0.06mm] of decomposed rocks, corals, or shells.

5. 


Pit Sand:
Sharp Angular, Porous and
Free from salt.
River Sand:
Fine, Round, Polish and Free
from salt.
Sea sand:
Fine, Round, Polish and
Contains salt.

6. Fine Sand:
All particles passing through
#16 ASTM Sieve.
 Medium Sand:
All particles passing through #8
ASTM Sieve.
 Course Sand:
All particles passing through #4
ASTM Sieve.


10. No.
District
Place
1.
Sylhet
Zaflong,Bholaganj,Fajilpur,Moulavibazar,Sreemanga
l,Hobiganj,Chondisora
2.
Bramanbaria
Meghna, Area of Titas River
3.
Comilla
Chauddagram, Gomoti River
4.
Dhaka
Gajaria, Savar, Gajipur,Kaliakar, Dulalpur
5.
Mymensingh
Bagunbari,Shomvoganj, Durgapur
6.
Faridpur
Kamaekhali, Alipur
7.
Khulna
Bockjuri
8.
Rangpur
Dumar
9.
Pabna
Shabajpur
10.
Bogra
Korota River

11. No.
Location of Availability
F.M(Range)
1.
Jaflong, Bholagonj, Fajilpur
2.0-2.6
2.
Moulavibazar, Sreemangal
1.5-1.6
3.
Hobiganj, Chondichara
1.6-1.16
4.
Brahmanbaria, Meghna, Area of Titas
River
1.40-1.5
5.
Comilla,Chaddagram, Gomoti River Area
1.3-1.5
6.
Dhaka,Gazipur,Savar
1.2-1.6
7.
Mymensingh
1.5-1.8

16. Sand is often a principal component of concrete
 Molding Sand, also known as foundry sand ,is
moistened or oiled and then shaped into molds for
sand casting
 Graded sand is used as an abrasive in sandblasting
and is also used in media filters for filtering water
 Brick manufacturing plants use sand as an additive
with a mixture of clay and other materials for
manufacturing bricks.


17. Visited Site
Aminbazar, Gabtoli Bus Stand, Dhaka