Water Absorption Test for bricks
Ref : IS 3495 (part II)
Purpose : To determine water absorption of bricks
Salient features:
Balance - Capable of weighing 0.1% of mass of the sample
Oven
Sample preparation:
Dry the sample in the oven at room...
Standard Consistency Test for Cement
Ref : IS 4031 (part IV)
Purpose : To determine the standard consistency for finding initial and final setting time of Ordinary Portland cement.
Apparatus:
Vicat apparatus (mould dia - 80mm & height - 40mm)
Weights & balance
Trowel...
Slump Test for Concrete
Ref : IS 1199
Purpose : To find out the workability of fresh concrete
Salient features of apparatus:
Slump Cone:
Top diameter - 100 mm
Bottom diameter - 200 mm
Height - 300 mm
Thickness - 1.6 mm
Tamping rod:
Diameter - 16 mm
Length - 600 mm...
Sieve Analysis of Aggregates
Ref : IS 2386 (Part I)
Purpose : To determine the gradation of aggregates / fineness modulus of aggregates.
Procedure :
Prepare the sample for testing from a larger sample by quartering or by means of the sample driver.
Weigh the air dried...
Flakiness Index
Ref : IS 2386 (Part I)
Purpose : To determine the flakiness index of the coarse aggregate.
Significance : Coarse aggregate having flakier particles will adversely affect the strength of concrete.
Definition : The flakiness index of the aggregate is the...
Dry density by Core cutter method
Ref : IS 2720 (part XXIX)
Purpose : To find out the dry density of compacted soil in field.
Salient features of apparatus:
Dolly:
Inner diameter - 100mm
Outer diameter - 115mm
Height - 25mm
Cutter:
Inner diameter - 100mm
Outer...
Determination of silt content in sand
Purpose : To determine the silt content in sand.
Test procedure :
Fill the jar with 100ml water.
Add to it 3 – 4 tablets of NaOH and prepare NaOH solution.
Add sample of sand in the measuring jar up to height of 100ml approximately.
Fill the jar with...
Compressive strength test for concrete
Ref : IS 516
Purpose : To find out the compressive strength of concrete
Salient features of apparatus:
Compression testing machine
Specimen
Test Procedure:
Remove the cubes from water after curing period
Place the...
Compressive Strength Test of Cement
Ref : IS : 4031 (part VI)
Purpose : To determine the compressive strength of cement
Significance : Compressive strength of cement helps in determining grade of cement, in
calculations of...
Compressive strength of bricks
Ref : IS : 3495 (part I) – 1992
Purpose : To determine the compressive strength of bricks
Salient features:
a) Compression testing machine
b) The compression plate, which shall have a ball seating in...
Ref : IS : 2386 (Part IV)
Purpose : To determine the aggregate impact value.
Preparation of test sample:
a) Take a sample of aggregate passing through 12.5mm sieve and retained on 10mm sieve.
b)...
Ref : IS : 2386 (Part IV)
Purpose : To determine the crushing value of aggregates.
Significance : The aggregate crushing value gives relative measure of the resistance to...
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