b) As per the grading given in Table 1, the fineness modulus of sand could vary from I2 to 22 However, it is preferable to have minimum fineness modulus of l-4 in case of crushed stone sands and crushed gravel sands and a F M of 1 5 in case of naturally occurring sands Hence....

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 ,...

Jan 13, 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...

Limits of Fineness Modulus Fineness modulus of coarse aggregate varies from 55 to 80 And for all in aggregates or combined aggregates fineness modulus varies from 35 to 65 Range of fineness modulus for aggregate of different maximum sized aggregates is given below...

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 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...

32 Based on Fineness Modulus As per IS 1542: 1992 – clause 52, the fineness modulus of sand shall be not less than 14 in case of crushed stone sands and crushed gravel sand and not less than 15 in case of naturally occurring sands...

Aug 10, 2017· What is the fineness modulus of an aggregate? What is the physical meaning of a Fineness modulus number? What's the reason for the limit in fineness of modulus cement?...

Jun 05, 2013· Materials – Aggregate – Classes "Aggregate" is a collective term for the mineral materials such as sand, gravel , Rather than list WSDOT specifications for each test in their respective , common gradation description for fine aggregate is the fineness modulus , The amount of fines generated is measured and the result is reported as a degradation factor...

Aug 19, 2017· “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” , Experience has shown that very coarse sand or very fine sand produces poor concrete mix...

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 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...

Aug 19, 2017· “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” , Experience has shown that very coarse sand or very fine sand produces poor concrete mix...

The Fineness Modulus is defined as Fineness Modulus = , Shear modulus of soil is measured in pressure units, typically Pascals (Pa) or KiloPascals (KPa) share with friends...

than river sand The particle shape is cubical, which is almost closer to rounded river sand Another issue associated with river sand is that of obtaining required grading with a fineness modulus (FM) of 24 to 31 Generally FM of 22 to 26, 26 to 29 and 29 to 32 indicates that the sand ,...

Sieve AnalysisAs we know that the Fineness modulus is a measurement of the coarseness or fineness of a given aggregate, higher the FM the coarser the aggregate The above table is showing us that the Laurence pure sand is coarser then Chenab sand ,...

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 ....

Dec 09, 2017· In this video , we will see how to do the sieve analysis and find out the Fineness Modulus of sand In this video , we will see how to do the sieve analysis and find out the Fineness Modulus of sand...

What Is Fineness Modulus of Sand? 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 ....

This specification covers fine aggregate for use in bituminous paving mixtur The aggregate shall be sampled to meet the requirements prescribed Grading, fineness modulus and plasticity index shall be tested to meet the requirements prescribed This abstract is a brief summary of the referenced standard...

Jun 02, 2012· 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...

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...

In 1925, Duff Abrams introduced the concept of fineness modulus (FM) for estimating the proportions of fine and course aggregates in concrete mixtur 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 ....

Fineness Modulus For Sand By Luke M Snell and Bryan Castles 1 This paper was published in the Proceedings of the 10th Annual Mongolian Concrete Conference...

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 [,]...

Jan 13, 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...

Aggregates for Concrete bination of gravels or crushed stone with particles predominantly larger than 5 mm (02 in) and generally between 95 mm and 375 mm (3⁄ 8 in and 11⁄ 2 in) Some natural aggregate deposits, called pit-run gravel, consist of gravel and sand that can be readily used in concrete after minimal processing Natural ....

CALCULATION OF FINENESS MODULUS ENTER VALUES OF { Z } & PRESS CALCULATE ( Actual Program is available in Super Civil CD: IS SIEVE SIZE...

The curate took the coral beads from her neck and examined them again and again, and having satisfied himself as to their fineness he fell to wondering afresh, and said, "By the gown I wear I don't know what to say or think of these letters and presents; on the one hand I can see and feel the fineness of these coral beads, and on the other I ....

The curate took the coral beads from her neck and examined them again and again, and having satisfied himself as to their fineness he fell to wondering afresh, and said, "By the gown I wear I don't know what to say or think of these letters and presents; on the one hand I can see and feel the fineness of these coral beads, and on the other I ....

459 Fineness Modulus • Fineness modulus is the sum of the cumulative percentage retained on the sieves of the standard test siev Fineness modulus (FM) = (Cum percent retained / 100) Standard test sieves are as follows: Coarse aggregate: 75mm, 38mm, 20mm, 10mm Fine aggregate: 475mm, 236mm, 118mm, 0600mm, 0300mm, 0150mm Total 54 41...

Aug 24, 2017· 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...