Call Girls in DELHI Cantt, ( Call Me )-8377877756-Female Escort- In Delhi / Ncr
Sand Presentation
1.
2.
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.
4.
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.
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
12.
13.
14.
15.
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.