· 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

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

For fine aggregate no weight shall be in excess of 4 gm in 2 7 kg m 2 3 Coarse Aggregates After the material has been sieved remove each tray weigh each size and record each weight to the nearest 0 1 g Be sure to remove any aggregate trapped within the sieve openings by gently working from either or both sides with a trowel or

Fineness modulus by weight 3 03 fineness modulus by volume 3 23 A fineness modulus of 3 23 by volume as shown in Table 3 1 indicates a considerably coarse grading than that normally associated with the fineness modulus of 3 03 by weight Therefore lightweight aggregates require a larger percentage of material

· This video contains about the fineness modulus in aggregate Fineness Modulus calculations in less than 5 Standard Method for Sieve Analysis of Fine and Coarse Aggregates ASTM C136

Fineness modulus by weight 3 03 fineness modulus by volume 3 23 A fineness modulus of 3 23 by volume as shown in Table 3 1 indicates a considerably coarse grading than that normally associated with the fineness modulus of 3 03 by weight Therefore lightweight aggregates require a larger percentage of material

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

· Determination of Fineness Modulus of Fine and Coarse Aggregates by Sieve Analysis JSP CIVIL Engineering Fineness Modulus of Fine Aggregates Particle Size Distribution Duration 22 49

Jul 20 2018 · To determine the fineness modulus the contractor adds the cumulative percentage retained values and divides the sum by 100 This process must be repeated for both coarse and fine aggregate

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

To establish suitability for use in Agency concrete MnDOT performs concrete aggregate property testing on fine and coarse aggregate sources in accordance with

Aug 14 2019 · 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 smaller and higher the fineness modulus particles are larger

nbsp 0183 32 aggregates using in this stud y met condition according to ASTM C 33 74 15 and the fine aggregates include d a medium sand category with fineness modulus of 2 04

ACIMATERIALSJOURNALTECHNICALPAPERTitleno 87 M11EffectofCoarse AggregateCharacteristicsonMechanicalPropertiesofHigh StrengthConcretebyP C AitcinandP K

· 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

Fine aggregate means the aggregate which passes through 4 75mm sieve To find the fineness modulus of fine aggregate we need sieve sizes of 4 75mm 2 36mm 1 18mm 0 6mm 0 3mm and 0 15mm Fineness modulus of finer aggregate is lower than fineness modulus of coarse aggregate

· 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

· To determine the fineness modulus the contractor adds the cumulative percentage retained values and divides the sum by 100 This process must be repeated for both coarse and fine aggregate

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

Sieve Analysis of Fine and Coarse Aggregates WAQTC FOP for AASHTO T 27 T 11 has been adopted by WSDOT with the following changes Procedure Method C – Method not recognized by WSDOT Sample Preparation Table 1 Test Sample Sizes for Aggregate Gradation Test – Shall conform to the following table and nominal maximum size definition

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

Inspection Sampling Procedures for Fine Coarse Aggregates 9 1 13 TABLE OF CONTENTS CHAPTER ONE TESTING EQUIPMENT Fineness Modulus Sieve Analysis for Dense Gradation materials for coarse aggregates 15 in x 23 in or 14 in x 14 in screens

Jun 02 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

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

Nov 12 2016 · Coarse sand Good for concrete works Others FM is Fineness Modulus Click here to see how its calculated VARIOUS LAB TESTS ON SAND Fineness Modulus Silt test Specific Gravity Water absorption Bulk density etc All These Tests are available here QUALITIES OF GOOD SAND 1 Good sand should have coarse and angular grains of pure

Fine Aggregate and Fineness Modulus 2016 10 14 In civil engineering aggregates with a particle size greater than 5 mm are coarse aggregates also known as stone aggregates with a particle size of less than 5 mm are fine aggregates also known as sand Qualified fine aggregate should have a good gradation including fineness modulus firmness mud content sand equivalent etc

· Fineness modulus is an index no Which Indicates mean particle size in sand fine aggregate FM is obtained by adding cumulative percentage retained percentage

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

Apr 26 2012 · The fineness test uses sieves of different sizes The finer retained on different sieves is added and the sum is divided by 100 The higher the value the higher is the the fineness modulus of the fine or coarse aggregate

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

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

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 Sieves sizes 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 mm 3 4 in 37 5 mm 11 2 in and larger

Fineness Modulus of grading of aggregate Fineness modulus is an empirical factor computed from the sieve analysis When it is defined as the sum of the cumulative percentages retained on the sieves of the standard series ranging from 80mm to 150microns and dividing the sum by 100

Grading fineness modulus and plasticity index shall be tested to meet the requirements prescribed This abstract is a brief summary of the referenced standard It is informational only and not an official part of the standard the full text of the standard itself must be referred to for its use and application

The fine aggregate shall not pass 45 from a single sieve and retained on the next consecutive sieve as shown in table 1 The fineness modulus of the fine aggregate shall be not less than 2 3 and more than 3 1 The fineness modulus shall not vary more than 0 20 Table 1 Sieve Size and Passing Percentage of Aggregates

Excel Sheet For Sieve Analysis Of Aggregate And To Calculate Fineness Modulus 8 53 PM civil Excel Sheets Excel Sheet For Sieve Analysis Of Aggregate And To Calculate Fineness Modulus The sieve analysis commonly known as the gradation test is a basic essential test for all

nbsp 0183 32 The sizes of coarse aggregates for various classes of Work shall be as follows with all percentages being determined by weight b 4 2 2 3 b For concrete floors floor and roof slabs reinforced beams and girders columns and piles concrete encasing underground electric conduits and concrete in which the space between restricting objects is 2 inches or less the course aggregate shall be

ASTM has limits for grading of concrete aggregates 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 coarse aggregates respectively the fineness modulus is