﻿ fineness of modulus of coarse aggregates

## fineness of modulus of coarse aggregates

• ### Exp 3 Sieve Analysis - Civil Engineers PK

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.

• ### (PDF) Sieve Analysis of Fine and Coarse Aggregate | Farhad ...

The term fineness modulus (F.M) is a ready index of coarseness or fineness of material. It is an empirical factor obtained by adding the cumulative percentages of aggregates retained on each of the standard sieves and dividing this sum arbitrarily by 100.

• ### 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.

• ### Determination of Fineness Modulus of Fine Aggregate ...

The fineness modulus of Fine Aggregate is 2.44. For a good fine aggregate, the FM should be between 2.3 and 3.1 (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.

• ### 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 […]

• ### CRD-C104-80 Method of Calculation of the Fineness Modulus ...

2 METHOD OF CALCULATION OF THE FINENESS MODULUS OF AGGREGATE Fineness Coarse aggregate Fineness = 9(100) - 156 = 900 - 156 Modulus 100 100 = 7.44 Combined Coarse and Fine 65:35 Modulus Fineness = 9(100) - 302 = 900 - 302 Modulus 100 100 = 5.98 5. Significance and Use A method of selecting mixture proportions for concrete based on the fineness ...

• ### A Detailed Guide on Grading of Aggregates. - civilseek.com

The method can be used to determine fineness modulus of coarse aggregates, fine aggregates, and all-in aggregates, i.e., mixed aggregates. 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-aggregates.

• ### What is Fineness Modulus and how to calculate it - Blogger

Mar 07, 2016· 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.

• ### 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 Aggregates.

• ### 14. AGGREGATES - cvut.cz

14.3.3 Fineness Modulus Fineness Modulus (FM) is used in determining the degree of uniformity of the aggregate gradation. It is an empirical number relating to the fineness of the aggregate. The higher the FM is, the coarser the aggregate is. Fineness Modulus is defined as the sum of the cumulative percentages retained on specified sieves

• ### How does the fineness modulus of aggregate affect the ...

Oct 03, 2018· Fineness Modulus is an indication grading of particle size. More the value of FM more coarser the aggregate is. Now because density vary with particle size, and also the void spaces inside the concrete is a function of aggregate size, it is very i...

• ### How does the fineness modulus of aggregates affect the ...

Fineness modulus defines the size of the of the aggregates on concrete mix design. There area some limits on it though. If you have high modulus of fineness, the tendency of mixture is to have ...

• ### 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 …

• ### Fineness modulus - Wikipedia

The same value of fineness modulus may therefore be obtained from several different particle size distributions. In general, however, a smaller value indicates a finer aggregate. Fine aggregates range from a FM of 2.00 to 4.00, and coarse aggregates smaller than 38.1 mm range from 6.50 to 8.00.

• ### 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 …

• ### Fineness Modulus of Concrete Aggregates - Gilson Co.

Fine aggregate FM's in the upper end of the spectrum, closer to 3.0, have been noted to produce concrete with good strength and workability in mixes with high cement contents. Once the fineness modulus of the fine aggregate is known, it can be used to select proportions of coarse aggregate.

• ### FINENESS MODULUS OF FINE AGGREGATE - ftp.dot.state.tx.us

FINENESS MODULUS OF FINE AGGREGATE TxDOT Designation: Tex-402-A Effective Date: August 1999 1. SCOPE 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 ...

• ### FINENESS MODULUS OF AGGREGATE - civilblog.org

Sep 01, 2014· Fineness Modulus of Sand 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 ...

• ### Fineness Modulus - site.iugaza.edu.ps

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, 37.5mm, 19mm, 9.5mm, 4.75mm, 2.36mm, 1.18mm, 0.6mm, 0.3mm and 0.15mm. Fineness modulus is the number at which the average size of particle is known when we counted from lower order sieve ...

• ### Fineness modulus - Wikipedia

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 100.The sieve sizes are 0.15 mm, 0.3 mm, 0.6 mm, 1.18 mm, 2.36 mm, 4.75 mm, 9.5 mm, 19.0 mm, 38.1 mm and larger increasing in the ratio of 2:1.

• ### What is the fineness of cement, fine aggregate, and coarse ...

Feb 17, 2018· Fineness of cement- 225m²/kg In case of aggregate fineness modulus is found and which is FM for fine aggregates - 2.0–3.8 FM for coarse aggregate - 6.3–8.2 Keeping above values into consideration it can be determined that all the above ingredients...

• ### Can Changes in Fine Aggregate Affect Concrete ...

Typically the fineness modulus varies between 3.2 and 2.8. A small number indicates a fine grading, and a large number indicates a coarser material. The fineness modulus of the fine aggregate is required for mix proportioning, since sand gradation has the largest effect on concrete workability.

• ### What is Fineness Modulus of Coarse Aggregates and Its ...

What is Fineness Modulus of Coarse Aggregates? 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 sieves. The cumulative percentage retained on …

• ### What is fineness modulus? - Answers.com

Fineness modulus defines the size of the of the aggregates on concrete mix design. There area some limits on it though. If you have high modulus of fineness, the tendency of mixture is to have ...

• ### 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 sieves. Fineness ...

• ### Fineness Modulus - an overview | ScienceDirect Topics

The appropriate range of fineness modulus of the sand aggregate used in normal concrete is 3.7–1.6. Both medium sand and coarse sand spiked with some fine sand (coarse:fine = 4:1) are applicable. Sand aggregate plays a significant role as a skeleton and in passing the stress in concrete.

• ### DETERMINATION OF FINENESS MODULUS OF COARSE …

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 sieves.

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