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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


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