COMPRESSION STRENGTH TEST ON CEMENT
AIM
To determine the compression strength of cement
Apparatus
* metal cube moulds of size 7.06x7.06x7.06cm
* comprassion testing machine
* opc (ordinary portland cement
* standard sand.
* mesuring cylinder.
* non-pouras enamal try& troval.
PROCEDURE
*Take 185gms of cement and 555gms of standard sand in a
non-poras enamal try & mix them with a trowels.*Add water of
quantity(p/4+3)% of combined weight of cement and sand.*Mix cement
sand & water thoroughly and prepare morter,the time of mixing
should not be less than 3min,not more than 4min.*Imidiately ofer
mixing mortar is filled in the cube moulds of size
7.06*7.06*7.06cm
*Compact the cubes either by hand compaction in a standard
manner are use vibrating table for few min.*After 24hr the cubes
are removed from the moulds& immersed . In clean fresh water
& until taken out for testing.*Three cubes are tested for
compression strength at 3days,7days&28days.
TABULAR COLUMN
CubeLoad AppliedAREA OF
CUBEmm2CompressionStrength=Load/AreaAvgKN N
RESULT
*The compression strength of cement=---------------------
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