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What is the significance and use of calculating Fineness

30 06 2015  Many agencies use fineness modulus variation as a convenient means of keeping quality history data on uniformity of particle size distribution of aggregate production delivery and use Some agencies require that aggregates be processed to remain within upper and lower limits of fineness modulus.

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Determination of fineness modulus of fine aggregate

13 01 2018  Many a time fine aggregates are designated as coarse sand medium sand and fine sand These classifications do not give any precise meaning What the supplier terms as fine sand may be really medium or even coarse sand To avoid this ambiguity fineness modulus could be used as a yard stick to indicate the fineness of sand.

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If in a concrete mix the fineness modulus of coarse

28 05 2021  If in a concrete mix the fineness modulus of coarse aggregate is 7.6 the fineness modulus offine aggregate is 2.8 and the economical value of the fineness modulus of combined aggregateis 6.4 then the proportion of fine aggregate is

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Classification of Aggregate

14 04 2017  The fine aggregates can be classified as coarse medium and fine sands based on the fineness modulus Fine SandFineness Modulus of 2.2 to 2.6 Medium SandFineness Modulus of 2.67 to 2.9 Coarse SandFineness Modulus of 2.91 to 3.2 According to particle size distribution IS 383 1970 has divided the fine aggregate in to 4 grading zones.

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ASTM Sieve analysis Sieve analysis calculation with great

24 03 2021  A low value of Fineness modulus means the material has fine particles and vice versa It is an empirical figure which is obtained by adding the sum of percentages of an aggregate retained on each of the specified set of sieve and dividing the sum by 100 For Coarse aggregate the FM value range form 5 10 and for fine aggregate it varies from 2 4.

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What is the significance and use of calculating Fineness

30 06 2015  Many agencies use fineness modulus variation as a convenient means of keeping quality history data on uniformity of particle size distribution of aggregate production delivery and use Some agencies require that aggregates be processed to remain within upper and lower limits of fineness modulus.

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fineness modulus of coarse aggregate

Therefore fineness modulus of coarse aggregates = sum cumulative retained / 100 = 717/100 = 717 Fineness modulus of 717 means the average size of particle of given coarse aggregate sample is in between 7 th and 8

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Properties of aggregates

Fineness modulus = Σ Cumulative retained / 100 F.M = 2 3.5 fine aggregate FM = 5.5 8 Coarse aggregate It helps to determine the coarseness and fineness of an aggregate sample B Chemical properties of aggregate Chemical composition of aggregates

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Analysis Courses

02 06 2012  Fineness modulus= a 1 a 2 a 3 a 4 a 5 a 6 /100 Then to find the maximum size of the coarse aggregate refer to the column number three In this column check the highest value of the weight retained in the sieves then go one row up and check its sieve s dimension it will be the maximum size of the coarse aggregate.

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Aggregates Physical Properties and Mechanical Properties

aggregate retained on each of a specified series of sieves and dividing the sum by 100 The following limits may be taken as guidance Fine sand Fineness Modulus 2.22.6 Medium sand F.M 2.62.9 Coarse sand F.M 2.93.2 A sand having a fineness modulus more than 3.2 will be unsuitable for making satisfactory concrete ¸ ¹

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fineness of modulus of coarse aggregates

Fineness Modulus of Aggregates The Inside Scoop Gilson Co An example provided in the ACI 211 standard states that For a fine aggregate having a fineness modulus of 2.8 and a 37.5mm nominal maximum size of coarse aggregate the table indicates that 0.71m3 of coarse aggregate on a dry rodded basis may be used in each cubic meter of concrete.

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Effect of Specific Gravity on Aggregate Varies the Weight

3 Fineness Modulus of Coarse Aggregate Fineness Modulus is defined as an index to the particle size not to the gradation Fineness Modulus is calculated from the sieve analysis An empirical factor obtained by adding the total percentage of sample of the aggregate retained on each of a

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THE ROLE OF FINENESS MODULUS

20 07 2018  Yet within the categories of fine and coarse aggregate a whole world of differences may exist in particle size Even when a contractor knows the coarse to fine ratio problems may ensue as the result of size variations within these categories Calculating fineness modulus allows a contractor to predict concrete behavior much more accurately.

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ENGINEERING PROPERTIES OF AGGREGATES கார்த்தி360

24 06 2015  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 150 micron and dividing this sum by 100 Fineness modulus is generally used to get an idea of how coarse or fine the aggregate is.

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Effect of Sand Fines and Water/Cement Ratio on Concrete

of coarse aggregate was 0.5 which was within the normal range from0.1 to 0.6 .The fineness modulus obtained suggest that the aggregates used had an approximately average sizes of 600µm and 12.5mm for fine and coarse aggregates respectively Thus the sand used was normal sand since it lies within Zone II of geological grading.

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FINENESS MODULUS OF AGGREGATE WHAT WHY HOW

02 08 2017  WHY TO DETERMINE FINENESS MODULUS Fineness modulus is generally used to get an idea of how coarse or fine the aggregate is More fineness modulus value indicates that the aggregate is coarser and small value of fineness modulus indicates that the aggregate is finer Fineness modulus of different type of sand is as per given below.

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fineness of modulus of coarse aggregates

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 150 micron and dividing this sum by 100 Fineness modulus is generally used to get an idea of how coarse or fine the aggregate is.

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experiment no.3 fineness modulus of aggregate

1 This test method covers the determination of the particle size distribution of fine and coarse aggregate by sieving 2 Fineness Modulus gives the idea about how the coarser or fine the aggregate is 3 More Fineness Modulus value indicates that aggregate is coarser and vice versa 4 Fineness Modulus also indicates the surface area of the

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Different Field Tests of Aggregates Mastercivilengineer

13 06 2021  The fineness modulus of sand can be calculated to give the site engineer an idea of the overall fineness or coarseness of aggregates received at the site Aggregate field test observation sheet Only sand with between FM 2.6 to 2.9 was considered suitable for nominal mix proportion.

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The Fineness Modulus Of Fine Aggregate Is In The Range Of

If 20 kg of coarse aggregate is sieved through 80 mm 40 mm 20 mm 10 mm 4.75 mm 2.36 mm 1.18 mm 600 micron 300 micron and 150 micron standard sieves and the weights retained are 0 kg 2 kg 8 kg 6 kg 4 kg respectively the fineness modulus of the aggregate is

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Fineness modulus and its calculation ProBCGuide

17 04 2015  How to calculate Fineness Modulus Procure to determine Fineness Modulus Sieve the aggregate using the appropriate sieves 80 mm 40 mm 20 mm 10 mm 4.75 mm 2.36 mm 1.18 mm 600 micron 300 micron 150 micron Note down the weight of aggregate retained on each sieve Calculate the cumulative weight of aggregate retained on each sieve.

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Lecture 04

Experiment No 04 Particle Size Distribution of Fine Aggregates ASTM C136 To determine fineness modulus of fine aggregate This is the name given to the operation of dividing a sample of aggregate into various fractions each consisting of particles of the same size.

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Aggregates for Concrete

aggregate have openings ranging from 150 µm to 9.5 mm No 100 sieve to 3 ⁄ 8 in The 13 standard sieves for coarse aggregate have openings ranging from 1.18 mm to 100 mm 0.046 in to 4 in Tolerances for the dimensions of open ings in sieves are listed in ASTM E 11 AASHTO M 92 Size numbers grading sizes for coarse aggregates

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Different Field Tests of Aggregates Mastercivilengineer

13 06 2021  The fineness modulus of sand can be calculated to give the site engineer an idea of the overall fineness or coarseness of aggregates received at the site Aggregate field test observation sheet Only sand with between FM 2.6 to 2.9 was considered suitable for nominal mix proportion.

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Comparative Investigations on Ultra High Performance

cept somewhat different modulus of elasticity and strain at peak stress which re 42 5 R white silica fume and quartz powder The fineness of this quartz powder is and was used as a micro filler to optimise the packing density of the powder mixture According to the suggestions in 1 coarse aggregate was eliminated in UHPC1 Table 1 .

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Virtual Labs

Description Fineness Modulus of Coarse Aggregate is a measure of size of particles of coarse aggregate It is an imperial factor obtained by adding the cumulative percentages of coarse aggregate retained on each of the standard sieves and dividing the sum by an arbitrary number 100.

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Sieve analysis of fine and coarse aggregate

27 10 2020  A test sample of the fine aggregate was weighed as shown in step 1 in test 1 The sieve sizes used for this test were #4 #8 #16 #30 #50 and #100 The sieves were arranged in an ascending order so as to compute the finest modulus Steps 3 to 8 in test I were followed and the determined values recorded in table 2.

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Properties of Aggregates

13 03 2019  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 150 micron and dividing this sum by 100 Fineness modulus is generally used to get an idea of how coarse or fine the aggregate is.

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4

12 10 2021  5 FINENESS MODULUS Fineness modulus is a ratio of the cumulative percentages of aggregate retained on each of the standard sieves ranging from 80 mm to 150 micron to this sum by 100 Fineness modulus indicates the grading of aggregates More fineness of aggregates means the aggregates is coarse Lesser fineness aggregates mean aggregates is

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tests on coarse aggregate Construction Civil Concepts In

Coarse Aggregates Fineness of C.A Aggregate Crushing Value Aggregate Impact Value Young s Modulus Poisson s Ratio of Concrete Do comment or like the post because your feedbacks would encourage me for posting the various other relevant topics of civil engineering that would ultimately help my fellow friends.

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Grading of Fine Aggregate

Fine aggregate gradings with higher fineness modulus values are also cost effective as the coarse particles will reduce the water requirement and therefore the cement required for the concrete mix The fineness modulus is used in concrete mix design to indicate the effects of the fine aggregates on the workability of the mix.

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Effects of various fineness moduli of fine aggregate on

The effects of various fineness moduli FM of fine aggregate on the engineering properties of high‐performance concrete HPC were studied Two kinds of coarse aggregates stiff and soft and three kinds of fine aggregates FM=3.24 2.73 and 2.18 were used.

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Determination of Fineness Modulus of a Sample of Fine

20 01 2020  The sum of this cumulative percentage divided by 100 is the fineness modulus of the fine aggregate The percentage by weight of the total fine aggregate passing through each of the sieves is calculated These are plotted against the particle sizes using a

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Concrete Aggregate Properties

Concrete Aggregate Properties include Specific GravityAbsorptionSand Fineness ModulusASRAggregate ClassUse in Bridge SuperstructureUse in Paving To determine concrete aggregate properties Select County Name

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Effect of Fineness of Sand on the Cost and Properties of

In the present investigations the effect of Fineness Modulus of sand has been investigated The Fine aggregate Sand taken is Yamuna river sand and coarse aggregate taken is Dolomite limestone in crushed form It has been sorted in several categories starting the Fineness Modulus

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Fineness Modulus of Fine Coarse or Combined Aggregates

Fineness Modulus The Fineness Modulus FM of fine coarse or combined aggregate is calculated by adding the cumulative percentages by mass retained on each of a specified series of sieves and dividing the sum by 100 The specified sieves for determining FM are 150 μm No 100 300 μm No 50 600 μm No 30 1.18 mm No 16 2.36 mm No 8 4.75 mm No 4 9.5 mm 3⁄8 in 19.0

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