fineness modulus of coarse aggregate

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What is the fineness modulus?

Aug 10, 2017 0183 32 Fineness modulus is an index no Which Indicates mean particle size in sand fine aggregate FM is obtained by adding cumulative percentage retained percentage ....

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METHOD OF CALCULATION OF THE FINENESS MODULUS OF AGGREGATE

Significance and Use A method of selecting mixture proportions Fineness = 9 100 - 156 = 900 - 156 for concrete based on the fineness modulus of the Modulus 100 100 combined fine and coarse aggregate was proposed Fineness by Abrams in 1918...

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What Is the Fineness Modulus of Fine Aggregate ,

Fineness modulus estimates the proportions of aggregate in construction materials Aggregate is inert granular material such as sand, gravel or crushed stone used to form concrete The fineness modulus number affects the workability and finish of concrete Before calculating fineness modulus, lab technicians pour aggregate onto siev Fineness ....

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Determination of fineness modulus of fine aggregate

Jan 13, 2018 0183 32 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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Fineness Modulus

modulus hence fineness modulus of coarse aggregate is higher than fine aggregate To find fineness modulus of coarse aggregate we need sieve sizes of 75mm, 375mm, 19mm, 95mm, 475mm, 236mm, 118mm, 06mm, 03mm and 015mm Fineness modulus is the number at which the average size of particle is known when we counted from lower order sieve ....

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Determination of Fineness Modulus of Fine Aggregate ,

The fineness modulus of Fine Aggregate is 244 For a good fine aggregate, the FM should be between 23 and 31 ASTM Range for fine aggregates Our result lie in this range as the graph shows that our sample is lies b/w maximum and minimum cumulative percentage passing...

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What is Fineness Modulus of Sand Fine Aggregate and ,

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 siev The cumulative percentage retained on each sieve is added and subtracted by 100 gives the value of fineness ....

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Exp 3 Sieve Analysis

The information obtained from fineness modulus is helpful in the following ways Sieve Analysis 1- Fineness modulus tells us directly whether the material is well-graded or gap-graded 2- Fineness modulus gives us an overall idea whether the material is fine or coarse Higher the value of FM ,coarser will be the aggregate...

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DETERMINATION OF FINENESS MODULUS OF COARSE AGGREGATES ,

To find fineness modulus of coarse aggregate we need sieve sizes of 80mm, 40mm, 20mm, 10mm, 475mm, 236mm, 118mm, 06mm, 03mm and 015mm Fineness modulus ,...

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CHAPTER 2 SIEVE ANALYSIS AND FINENESS MODULUS ,

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 ,...

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Civil At Work Fineness Modulus

Aug 19, 2017 0183 32 In 1925, Duff Abrams introduced the concept of fineness modulus FM for estimating the proportions of fine and coarse aggregates in concrete mixtur The principle Aggregate of the same fineness modulus will require the same quantity of water to produce a mix of the same consistency and give a concrete of the same strength...

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Fundamentals of Concrete

maximum size coarse aggregate and the fineness modulus of the fine aggregate, the weight of the coarse aggregate needed per unit volume of concrete mix can be estimated 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...

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HOW TO BLEND AGGREGATE USING FINENESS MODULUS ,

Sometime it may happen that, the aggregate available at site is not conforming to the desired grading In such case two or more aggregates from different sources may be combined to get the required grading Fineness modulus value can be used as a technical way to blend coarse aggregate with fine aggregate to produce desired ,...

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A Detailed Guide on Grading of Aggregat

The method can be used to determine fineness modulus of coarse aggregates, fine aggregates, and all-in aggregates, ie, mixed aggregat In this method, a convenient weight of the sample is taken and sieved through a set of sieves one after another The number of sieves is five for the coarse aggregates and ten for all-in-aggregat...

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THE ROLE OF FINENESS MODULUS

Jul 20, 2018 0183 32 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 categori Calculating fineness modulus allows a contractor to predict concrete behavior much more accurately...

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What is the fineness modulus of an aggregate?

Aug 24, 2017 0183 32 Defined as the product of division of the the total weights retained on a set of designated sieves divided by the original weight of the sample For a sand to be suitable for concrete the fineness modulus has to be from 2 to 4...

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What is Fineness Modulus of Coarse Aggregates and Its ,

Fineness modulus of coarse aggregates represents the average size of the particles in the coarse aggregate by an index number It is calculated by performing sieve analysis with standard siev The cumulative percentage retained on each sieve is added and subtracted by 100 gives the value of fine aggregate...

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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 METHOD OF CONCRETE MIX DESIGN

Oct 27, 2013 0183 32 The index number, which describes the relative sizes of coarse and fine aggregates, is called as fineness modulus FM Fineness modulus is determined separately by sieving coarse and fine aggregates through the following set of sieve IS sieves for coarse aggregates are 80 mm, 40 mm, 20 mm, 10 mm and 475 mm...

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What is the fineness modulus of sand

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 of25 or so to 27 and P-gravel P-stone, Birds ....

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formula for fineness modulus

Issued 1 Mar 1980 C 104 CRD-C 104-80 METHOD OF CALCULATION OF THE FINENESS MODULUS OF AGGREGATE 1 Definition 42 As noted in the standard definition of 11 The standard definition of fineness fineness modulus para 11 and the example modulus is as follows shown in para 41, the fineness ....

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What is Fineness Modulus and how to calculate it

Mar 07, 2016 0183 32 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, 475 mm, 236 mm, 118 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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Fineness modulus

The Fineness modulus FM 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 100The sieve sizes are 015 mm, 03 mm, 06 mm, 118 mm, 236 mm, 475 mm, 95 mm, 190 mm, 381 mm and larger increasing in the ratio of 2 1...

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FINENESS MODULUS OF FINE AGGREGATE

FINENESS MODULUS OF FINE AGGREGATE TxDOT Designation Tex-402-A Effective Date August 1999 1 SCOPE 11 This method determines the fineness modulus of concrete fine aggregate used in evaluation of natural and manufactured sands for portland cement concrete 12 The values given in parentheses if provided are not standard and may not be exact ....

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FINENESS MODULUS OF AGGREGATE

Sep 01, 2014 0183 32 What is Fineness Modulus of Aggregate? 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 Why to Determine Fineness Modulus? Fineness modulus is generally used to get an idea of ,...

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What is fineness modulus

The Fineness Modulus FM is an index number which is roughly proportional to the average size of the particles in an aggregate sample It is obtained by adding the cumulative percentages coarser ....

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The Importance of Fineness Modulus Concrete Construction ,

The premise aggregate of the same fineness modulus will require the same quantity of water to produce a mix of the same consistnecy and give a concrete of the same strength Before calculating FM, lab technicians perform a sieve analysis to determine the particle size distribution, or grading, of the aggregate sample...

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Fineness Modulus

For aggregates used in PCC, another common gradation description for fine aggregate is the fineness modulus It is described in ASTM C 125 and is a single number used to describe a gradation curve It is defined as The larger the fineness modulus, the more coarse the aggregate...

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Gradation Test Sieve Analysis of Fine and Coarse Aggregates

Jun 02, 2012 0183 32 The sand is good if its fineness modulus is in the range of 23 to 31 The sand with fineness modulus less than this will be called fine sand which is not good for use The sand with fineness modulus greater than this will be called coarse sand, which is again not good for use...

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Standard Specification for Fine Aggregate for Asphalt ,

D1073-16 Standard Specification for Fine Aggregate for Asphalt Paving Mixtures pavements bituminous mixtures , Grading, fineness modulus and plasticity index shall be tested to meet the requirements prescribed , C136 Test Method for Sieve Analysis of Fine and Coarse Aggregat...

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