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## Equipment

# calculation of fineness of cement

### fineness of cement

Fineness of cement is tested in two ways : (a) By sieving. (b) By determination of specific surface (total surface area of all the particles in one gram of cement) by air-permeability apparatus. Expressed as cm 2 /gm or m 2 /kg. Generally Blaine Air permeability apparatus is used… Read more

### fineness test of cement by dry sieving | sieve analysis of

Mar 27, 2020 · The fineness of cement is a measure of the size of cement-particles. In sieve analysis of cement, fineness of cement is calculated by ratio of weight of cement-sample retained on the sieve with total weight of cement-sample. Thus there is no unit of fineness of cement… Read more

### what is the fineness of cement | it's test and effects

Apr 12, 2020 · A Fineness of Cement is Measure of the size of Cement Particle, and it is described in terms of the specific surface area of Cement particle. The Fineness of cement can be Calculated by particle size analysis, by using the air permeability method, by using sedimentation method. How the size of Cement Particles affects the effects the hydration of Cement. To begin with, let’s understand how the size of cement …… Read more

### what is fineness of cement? - importance & test procedure

Fineness of cement = (W2/W1) x 100 The test has to be done with at least three samples from the same batch. The average value is the fineness of the cement. The ratio between the test samples should not be greater than 0.2% if else then repeat the test… Read more

### fineness of cement- construction how

Apr 07, 2020 · An increase in fineness increases the amount of gypsum required for proper retardation because, in a finer cement, more C3A is available for early hydration. The water content of a paste of standard consistency is greater the finer the cement, but conversely an increase in fineness of cement slightly improves the workability of a concrete mix… Read more

### test method forfineness|fineness of cement| test

Then by using the following formula calculate the percentage fineness of cement: W 1 = Total weight of cement. W 2 = Weight of residue… Read more

### fineness test of cementby dry sieving (is:4031-part 1

Fineness test of cement is a simple test that involves the determination of the fineness of the cement simply by sieving the cement. In general, the test includes determination of the weight of the cement particles whose size is greater than 90 microns and thus the percentage retained is computed… Read more

### test to check fineness of cement- civil engineering

Procedure to determine fineness of cement i) Weigh approximately 10g of cement to the nearest 0.01g and place it on the sieve. ii) Agitate the sieve by swirling, planetary and linear movements, until no more fine material passes through it… Read more

### fineness of cement by dry sieving (is:4031-part 1-1996

May 02, 2013 · Calculation. Calculate the residue of cement R as the mean of R 1 & R 2 (or R 1, R 2 & R 3) in %, expressed to the nearest 0.1%. Procedure To Check Sieve. ... Fineness of cement affects properties like gypsum requirement, workability of fresh concrete & long term behavior of structure… Read more

### how tocalculate finenessmodulus of aggregate| formula

Weight lower than 150 micron is not considered in calculation :- Fineness modules (F.M.) = 2.45. Q.3) A sieve analysis was carried out for 5 kg aggregate in the laboratory with available sieves. The weights retained in sieve of 40,32,20,16,10,4.75,are 0,1.2,1.8,0.5,1.5and 0 kg respectively. Obtain fineness modules for the sample. Solution:… Read more

### fineness test of cement; its apparatus, procedure

SO, the result of a fineness test of cement will be 6.5 % which is below the IS value (10%) and hence cement is in good condition… Read more

### finenesstestof cementby dry sieving | sieve analysis of

The fineness of cement is a measure of the size of cement-particles. In sieve analysis of cement, fineness of cement is calculated by ratio of weight of cement-sample retained on the sieve with total weight of cement-sample. Thus there is no unit of fineness of cement… Read more

### fineness of cement– definition – test - definecivil

Mar 23, 2021 · Fineness of cement is an important physical property of cement that defines the particle size and the surface area of cement particles. It is expressed in %age when determined as a modulus with sieving or units of cm2/gm or m2/kg in case when determine by Blaine air permeability apparatus… Read more

### fineness modulus of cement bydry sieving

The Fineness modulus of cement is an empirical figure obtained by adding the total percentage of the sample of an aggregate retained on each of a specified series of sieves, and dividing the sum by 100. The proportion of cement of which the grain sizes are larger than the specified mesh size is thus determined. Contents:Fineness Modulus […]… Read more

### how todetermine the fineness of cement? |concrete

Fineness of Cement by Lea & Nurse Method: The specific surface is expressed as total surface area in square cm per gram or square metre per kg of cement. The principle of the method is based on the relation between the flow of air through the cement bed and the surface area of the particles consisting of the cement bed… Read more

### (doc)job # 7 determination of fineness of cementastm

Weight the residue left on the sieve after sieving and calculate the fineness by the formula : Fineness of cement = 100 – (W R / Wi x 100 ) W R = Weight retained on sieve W i = Initial weight of sample 4… Read more

### finenesstest forcement, its procedure & apparatus

Fineness test for cement formula = (W2/W1)×100, where, W2 = Cement residue on sieve, W1 = Weight of given sample of cement. Then after, calculate the percentage of Weight of cement-retained on Sieve… Read more

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