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7/27/2019 Acceptance Criteria of Cement, Concrete and Steel and Its Physical Test
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Civil Engineering Dept.
Institute of Technology
Nirma University
By:-
Gondalia Parth
ACCEPTANCE CRITERIA OF CEMENT,
CONCRETE AND STEEL AND ITS
PHYSICAL TEST
Guided By:-
Prof. U. V. Dave
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Content
Acceptance Criteria
Concrete
Steel
Physical Test
Cement
Fineness Test
Consistency TestInitial and final setting time Test
Soundness Test
Concrete
Workability
SteelTension Test
Shear Test
Torsion Test
Compression Test
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Acceptance CriteriaIS 456:2000
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IS 456:2000
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IS 432(Part-I):1982
Mechanical Properties of steel
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IS 800:2007
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IS 800:2007
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IS 800:2007
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IS 8500:1991
Chemical Properties of steel
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IS 1786:2008
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CONSISTENCY TEST
To determine the quantity of water
required to produce a cement paste
of standard consistency as per IS:
4031 (Part 4) - 1988.
APPARATUS
Vicat apparatus conforming to IS:
5513 1976
Balance, Gauging trowel.
PROCEDURE
Take 400gm cement sample mix it with weighed quantity of water. Fill the Vicat mould with paste and level it with a trowel.
Set the plunger till it touches the cement surface.
Release the plunger allowing it to sink into the paste and note the reading on the
gauge(5 to 7mm from bottom).
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Soundness Test
Le-Chatelier method as per IS:
4031 (Part 3) - 1988.
APPARATUS
Le-Chatelier test
conform to IS: 5514 1969
Balance, water bath.
PROCEDURE
Place the mould on a glass sheet and fill it with the cement paste formed by gauging
cement with 0.78 times the water required to give a paste of standard consistency and
cover the mould with another glass sheet.
Keep whole assembly in water at a temperature 27 2 C for 24hr.
Measure the distance between the indicator points (say d1 ). Submerge the mould again in boling water for 3hr.
Measure the distance between the indicator points (say d2 ).
(d2 dl) represents the expansion of cement.
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Slump Test
As per IS: 1199 - 1959.
APPARATUS Slump cone, Tamping rod(16mm dia, 0.6m
length).
PROCEDURE
Clean the internal surface of mould.
Placed mould on a smooth, horizontal,
rigid and non-absorbent surface. Filled the mould in four layer with
tampering 25 times by the rounded end.
After the top layer is rodded, the concrete
is struck off the level with a trowel.
Then immediately mould has been
removed and the height difference has
been measured which gives slump value.
Tests on Concrete
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Compacting factor
As per IS: 1199 - 1959.
APPARATUS
Compacting factor apparatus.
PROCEDURE
The sample of concrete is placed in the upper hopper
upto the brim.
The trap-door is opened so that the concrete falls into
the lower hopper. The trap-door of the lower hopper is opened and the
concrete is allowed to fall into the cylinder.
The excess concrete remaining above the top level of
the cylinder is then cut off with the help of plane
blades.
The concrete in the cylinder is weighed. This is knownas weight of partially compacted concrete.
The cylinder is filled with a fresh sample of concrete
and vibrated to obtain full compaction. The concrete in
the cylinder is weighed again. This weight is known as
the weight of fully compacted concrete.
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Tension Test
APPARATUS
UTM, Varnier caliper.
As per IS: 1608 - 1995.
PROCEDURE
Measure a cross sectional dimension of the given specimen(IS 1608:2005).
Fix the specimen in machine between the fixed cross head and the upper
crosshead.
Apply load gradually and note the ultimate load or breaking load.
Measure the distance between gauge point and the reduced diameter at section of
failure.
Tests on Steel
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Universal Testing Machine
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Shear Test
APPARATUS
UTM, Varnier caliper.
As per IS: 5242 - 1979.
PROCEDURE
Determine mean diameter of the specimen.
Place the specimen in the assembly for single/double shear.
Apply the load gradually till the specimen fails in single/double shear and note
the corresponding load from the dial gauge.
Single Shear Double Shear
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Torsion testing machine
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Compression Test
APPARATUS
UTM, Varnier caliper.
As per IS: 1708 - 1986.
PROCEDURE
Measure a cross sectional dimension of the given specimen.
Fix the specimen in machine between the lower cross head and the upper
crosshead.
Apply compressive load gradually and test it up to its fracture.
Ductile Material Brittal Material
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Reference
Concrete technology, by M S Shetty
Steel Structure, by N. Subhramanian Handbook of Material Testing, Indian railways institute of civil engineering, Pune.
Code:-IS 456:2000, IS 8500:1991, IS 432:1982, IS 1608:2005, IS 1786:2008, IS
800:2007
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Thank You