The Fineness Modulus is an index number that indicates the mean size of the sand particle. It is calculated by the sieve analysis test with standard IS sieves. The fineness modulus of sand ranges from 2.2 to 3.2. The formula for its calculation is, Fineness modulus of Sand = (Cumulative % retained) / 100.

FINENESS MODULUS (FM) - The fineness modulus (FM) is a factor obtained by adding the percentages of material in a sample of aggregate that is retained on each of the following sieves: #100, #50, #30, #16, #8, #4, 3/8", ¾", 1 ½", 3", 6". The result is divided by 100 to arrive at the fineness modulus. For conventional concrete the ...

Nov 21, 2017· Irrespective of type of sand. A good sand which is used in construction should have less than 3% of Silica and no organic impurities. Different construction activities requires different fineness modulus of sand. Sand used in Brick work:-The sand used for Brickwork should have a fineness modulus of 1.2 to 1.5. Sand used in ...

Irrespective of type of sand. A good sand which is used in construction should have less than 3% of Silica and no organic impurities. Different construction activities requires different fineness modulus of sand. Sand used in Brick work:-The sand used for Brickwork should have a fineness modulus of 1.2 to 1.5. Sand used in plastering:-

If the Fineness Modulus (F.M) lies between 2.90 to 3.20, it is named as Coarse Sand. If the Fineness Modulus (F.M) lies between 2.60 to 2.90, it is called as Medium Sand. If the Fineness Modulus (F.M) lies between 2.20 to 2.60, it is defined as Fine Sand. On the Basis of Source: Depending upon the Source of Sand, it can be classified into three

The fineness modulus sand should be between 2 and 3. A smaller value of fineness modulus indicates the presence of finer particles and vice versa. If good sand is not available in the nearby of the site, the substitutes may be used as fine aggregate.

Fineness Modulus of Sand. Fineness modulus of aggregate is an index number which gives an idea about the finance of aggregate and is an approximate proportion of the average size of particle in the aggregate. It is found out by sieve analysis test of standard size in the laboratory. The thumb rule is lower the fineness modulus, particles are ...

2.3 Methodology to Determine Quality of Sand 2.3.1 Fineness Modulus Test of Sand (This test method conforms to the ASTM standard requirements of specification C 136) In this study, for sieve analysis about 500 gm sample was taken. Then air-dry this sample and weight it the nearest 0.5gm. After that,

As fineness modulus of sand changes from 2.0 to 2.5 there is an increase in compressive strength from 43.07 to 49.00 MPa. i.e. strength increases by 14%. On the other hand by increasing Fineness Modulus from 2.5 to 3, Compressive strength increases from 49.00 to 56.83 MPa resulting in 16% increase in strength.

Fineness Modulus of Fine Aggregate: The sand fineness module (fine aggregate) is an index number describing the mean size of sand particles. By doing sieve analysis with normal sieves, it is measured.. The accumulated percentage kept on each sieve is applied and the sum of the fine aggregate is subdivided by 100. To find the fine aggregate fineness modulus, we require …

Fineness modulus of sand (fine aggregate) is an index number which represents the mean size of the particles in sand. It is calculated by performing sieve analysis with standard sieves. The cumulative percentage retained on each sieve is added and subtracted by 100 gives the value of fineness modulus.

The manufactured sand is basically medium-coarse sand with a fineness modulus between 2.6 and 3.6. Its particle type and gradation (that is, the ratio of large and small particles) can be adjusted according to the use and needs, and its hardness is determined by the raw material.

Various values of fineness modulus for different sands are detailed below. Type of sand Fineness modulus range Fine sand 2.2 – 2.6 Medium sand 2.6 – 2.9 Coarse sand 2.9 – 3.2 . Read More fineness modulus range of different type of sand. Aug 02, 2017· Fineness modulus of different type of sand is as per given below.

The fineness modulus is computed from screen analysis data by adding the cumulative percentages of aggregate retained on each of a specified series of sieves, and dividing the sum by 100. The sieves used for determining the fineness modulus are: No. 100 (150 µm), No. 50 (300 µm), No. 30 (600 µm), No. 16 (1.18 mm), No. 8 (2.36 mm), No. 4 (4 ...

Fineness modulus (6.3 19.8 39.1 61.3 73.4 96.5) 100 2.964 fineness modulus 2.96 5. report 5.1 report fineness modulus to the nearest 0.01. Fineness modulus a parameter for checking the uniformity of grading generally calculated for fine aggregates but also for coarse aggregates assuming 100 is retained on 8 100 sieves therefore for fine and ...

Under the same conditions, its output can be about 10% higher than that of an HVI sand making machine. The fineness modulus is adjustable and controllable, and the gradation is uniform. With thin oil lubrication, automatic maintenance, high transmission efficiency, good cooling effect, its power consumption can be reduced by 10-40% at the same ...

· Fineness Modulus. The fineness modulus of sand determines the smoothness in its structure and outlook, as we all know that artificial sand is a machine-made modulus. That is why the manufacturers can easily control its fineness modulus. The production equipment can easily be adjusted to control the smoothness of the manufactured …

The Fineness Modulus is an index number that indicates the mean size of the sand particle. It is calculated by the sieve analysis test with standard IS sieves. The fineness modulus of sand ranges from 2.2 to 3.2. The formula for its calculation is, Fineness modulus of Sand = (Cumulative % retained) /

The fineness modulus is the cumulative percentage retained on each of the sieves stated above divided by 100. Sand (fine aggregate) can be classified according to its fineness modulus (FM). Types of sand

Mortars using medium sand (fineness modulus of 2.45) give highest modulus for both the mortars. In case of cement mortar with medium sand the modulus is 50% more as compared to other two types of sands. Cement–lime mortar with fine sand and natural sand have modulus values of 60% and 35% of that for the medium sand, respectively.

Also read: Bulking of Sand – What, Why & How. 9. Fineness Modulus. Fineness modulus is an empirical factor obtained by adding the cumulative percentages of aggregate retained on each of the standard sieves ranging from 80 mm to …

2. the fineness modulus of natural sand should be in the range of 2.2-3.0. and that of artificial sand should be in the range of 2.4-2.8. 3. The moisture content of aggregate should be stable and in artificial sand, it should not exceed 6%.

The coarseness of sand is expressed by fineness modulus ( Mx ), defined as follows: (5.1) M x = A 2 + A 3 + A 4 + A 5 + A 6 − 5 A 1 100 − A 1. The bigger the fineness modulus is, the more coarse the sand is. The fineness modulus of the sand …

Fineness modulus of fine aggregate varies from 2.0 to 3.5mm. Fine aggregate having fineness modulus more than 3.2 should not considered as fine aggregate. Various values of fineness modulus for different sands are detailed below. Type of sand Fineness modulus range Fine sand 2.2 – 2.6 Medium sand 2.6 – 2.9 Coarse sand 2.9 – 3.2

Related: Rain Gauge: Uses, Types, diagram, rainfall measurement. Fineness modules. Fineness modulus is an empirical factor obtained by the sum of the total percentages of a sample of the aggregate retained on each of the specified series of sieves per 100. i.e. Fineness modulus (F.M.) = Sum of Cummulated percentage retained / 100 = ⅀R/ 100

Fine sand size: Its fineness modulus is 1.6-2.2, and the average particle size is 0.25-0.35mm; Super-fine sand size: Its fineness modulus is 0.7-1.5, and the average particle size is 0.25mm or less. The fineness modulus of cement ranges from 1.6 to 3.7, preferably medium or coarse sand plus a small amount of fine sand in a ratio of 4:1. For the ...

So the degree of gradation will decide about the sand to be used. Degree of gradation is also called fineness modulus of sand. We find fineness modulus and compare it the standard recommended values. Apparatus: The apparatus consists of six different types of sieves i.e. #4, #8, #16, #30, #50, and #100 sieve.

4 different types of sand gradation with constant fineness modulus of 2.8, totally eight different types of grading aggregates are used in concrete samples. Information relating to the tests carried out on gravel and sand with different nominal maximum sizes of …

1.1 This method determines the fineness modulus of concrete fine aggregate used in evaluation of natural and manufactured sands for portland cement concrete. 1.2 The values given in parentheses (if provided) are not standard and may not be exact mathematical conversions. Use each system of units separately.

On the other hand course sand produces a concrete mixture that is harsh and difficult to finish and will cause segregation.Therefore recommended FM range is 2.3 to 3.1. Following table shows fineness modulus for different types of sand

SIEVE ANALYSIS AND FINENESS MODULUS Sampling Since the reason for sampling aggregates is to determine the gradation (particle size) of the aggregate, it is necessary that they be sampled correctly. The results of testing will re" ect the condition and characteristics of the aggregate from which the sample is obtained.

The specifications of the artificial sand are divided into four types: coarse, medium, fine and extra-fine according to the fineness modulus: Various specifications of artificial sand. 1 The fineness modulus of coarse sand is 3.7-3.1, and the average particle size is …

Determination of Fineness Modulus of Sand To determine the fineness modulus, we need standard sieves, mechanical sieve shaker (optional), dry oven and digital weight scale. Sample preparation Take a sample of fine aggregate in pan and placed it in dry oven at a temperature of 100 – 110 o C. After drying take the sample and note down its weight.

Finess Modulus is just a value (number) indicating the fineness or coarseness of the aggregate. So, a river sand (natural sand) will be in the range of2.5 or so to 2.7 and P-gravel (P-stone, Birds ...

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