Introduction There are many problems arise due to mining





Sand is a major primary material
used in construction industry. Due to the increment of construction projects,
the demand for sand is also increased. Most of the times for the source of the
sand, river sand is used. River sand is required to be mined from natural
sources. There are many problems arise due to mining of river sand (Leeuw, et al., 2009). Excessive erosion
and lowered river bed are major problems. So, use of alternative sources to
produce sand are needed.

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Some of alternative methods
are use of quarry dust (Mir, 2015)
and ocean sand (Jianzhuang, Chengbing, Antonio, & Kaijian, 2017). Each of these
sources have their own advantages and disadvantages.

Another one of those alternatives is production
of sand by washing soil. Soil contains more than 50% of sand and different
soils contain different types of sands. 
There are many methods available to separate sand in soils from very
large industrial washing systems to simple methods. It is necessary to evaluate
the feasibility of these sand for technical and financial aspects.



With the development in construction
industry the demand for the construction materials is also increased. So the
amount of sand consumed by the construction industry is also increasing
exponentially. The main source of sand which is river sand arises many problems
(Thornton, et al., 2006) . So alternatives
are needed. One of those solutions is washing soil to produce sand. In this
study the technical and
financial feasibility
of production of sand by soil washing is examined.



of the research

were done on use of Sea Sand (RATNAYAKE, PUSWEWALA, CHAMINDA, EKANAYAKA, &
, quarry dust and desert sand (Zhanga, Songb, Yangb, & Liua, 2006) as an alternative to
River Sand for Concrete Production. Most of these alternatives have some
problems compared to the river sand and additional measures are required to
overcome them. If producing sand from washing soil is more economical than
other sources like river sand or other alternatives like quarry dust it will
save lots of money. If will also prevent the harmful effects to the environment
from other methods to extract sand.

The research
is focused on feasibility of washing soil to separate sand. Most of the
machinery available are for sand washing (Fu, et al., 2015) to improve sand
qualities (washing sea sand or quarry dust) rather than washing raw soil to
produce sand. In some machines soil is washed to separate important minerals in
soil but not to produce sand. In the world there are lots of large scale and
small scale raw soil washing also. But they are mainly concentrated on removing
contaminants from polluted soils rather than production of sand from washing
soil (Voglar & Lestan, 2013) . So a research on
feasibility of production of sand by soil washing is necessary.

of the study

The research
will be conducted on two fronts. One is the technical feasibility and the other
is the financial feasibility. Under the technical feasibility study it will
find out that production of sand in small scale and on large scale can be done with
existing technology and machinery. New machinery may be required to be built
for the specific purpose to extract sand with desirable characteristics. Also
it is needed to identify the materials, labor, transportation, shipping,
physical location and technology for soil washing.

Under the
financial feasibility it will be find out from the available technical aspect,
production of sand from soil is more economical than other sources of sand or
not. It will consider financial aspects such as start-up capital, expenses, revenues,
and investor income and disbursements. Expenses for technical requirements find out from technical feasibility
is also required. A financial analyse comparison between different methods will
also be carried out for this part.

and Objectives of the research

Aim of this research is to
find out the technical and financial feasibility of production of sand from
soil washing. Under technical feasibility, it will be examined that the
existing technology is suitable to carry out the soil washing to effectively
produce sand with required characteristics needed. And under financial
feasibility it will be checked, if that production process is economical when
compared with other sand production methods and market demand for sand produced
from soil.



Adequate literature review on Soil washing mechanisms and production of

Carry out the technical feasibility of production of sand by soil

Analysis about different type of soils available and their sand content

Analysis about the soil washing machines available and their adequacy

Experimental analysis about small scale soil washing at laboratory

Carrying out the financial feasibility of production of sand by soil


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