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COMPARATIVE
ANALYSIS OF THE STRENGTH OF CONCRETE MADE FROM VARIOUS AGGREGATE
CHAPTER
ONE
1.1
INTRODUCTION
This work was to
present in one weight, the fundamental and practical information in the filed
of the comparative analysis of the strength of concrete made from various
aggregate which may be useful to people involve in civil and structural
engineering and particularly, those that found pleasure in the design and
related structure.
Due to the strength/high
cost of various aggregate in the market the comparative analysis of
strength of concrete indifferent aggregate have revealed that one can
definitely substituted in various aggregate by using the mixture design
of ration in different aggregate in building to reduce the mixture ration of
aggregate or used any of the aggregates.
Where their is no
granite stone washed gravel most black gravel is there no black gravel
must in such area there will be surface gravel in the project is going to be
sited.
A great effort have
been made through out this work although it is limited in scope to asses their
suitability as stand and concrete aggregate
1.2
PROJECT OBJECTIVE
This case study the
comparative analysis of the strength of concrete made from various aggregates.
The project implement
the following analysis.
1.
To determine the analysis in the
existing aggregates and evaluate it’s suitability for use as a good building of
aggregates by means of various laboratory tests.
2.
To determine the strength of concrete
cube in difference aggregates in soil laboratory with a view to have on
alternative in the building construction.
3.
To effect the reduction of rising in
the building construction by using deference aggregates.
1.3
PARTICLE SIZE
DISTRIBUTION
It has been stated
that maximum size and grading of aggregates are very important find aggregate
result in uneconomical mixes where as very coarse –grained soils result in
harsh unworkable mixes.
The mean size or
grading of many aggregate can be obtained by passing the materials in a set of
sieves consisting usually of certain standard sizes. The sieves number is been
expressed as the member per inches.
The sieve analysis
should also conformed to the B. S. 410of 1969 for sieves for purpose of testing
the procedure involve in making sieve analysis should also conform to the B. S.
standard method that is involved in carrying out the sieve analysis of time and
coarse aggregate.
The aggregate were
carefully washed to eliminate dust particles and some other of organics mater
present in it so the aggregate should be dust and dust free of any kind. After
the wash of aggregate were kept to dry in a place for 24 hours with kept help
of electric oven.
The particle were
weight and e recorded the % retained passing sieve at each times the graph
below shows the result got from each case.
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