SOLUTION. 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 microns and dividing this sum by 100.. Fineness modulus is generally used to get an idea of how coarse or fine the aggregate is.More fineness modulus value indicates that the …

· 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 sieves. The cumulative percentage retained on each sieve is added and subtracted by 100 gives the value of fineness modulus. This calculator calculates the grain ...

· The design of concrete mixes using the British DOE method [].The results of the mixed design for 1 m 3 of concrete for the strength characteristics of 20 MPa are as follows: 185 L of water, 356 kg of cement, 842 kg of sand, and 1093 kg of crushed stone. From the mix design, the proportion of sand to the total weight of the aggregate is 43.5%.

· To avoid this ambiguity fineness modulus could be used as a yard stick to indicate the fineness of sand. The following limits may be taken as guidance: Fine sand : F.M. : 2.2 - 2.6 . Medium sand : F.M. : 2.6 - 2.9 . …

Fineness modulus of sand (fine aggregate) is an index number that represents the mean size of the particles in sand. FM is the sum of the total percentages retained on each specified sieve divided by 100. Type of Sand. Fineness Modulus Range. Fine Sand. 2.2 – 2.6. Medium Sand. 2.6 – 2.9. Coarse Sand.

Figure 8 compares the fineness moduli of the sand, PET, and the four percentages used. It could be seen from this figure that the fineness modulus of the fourth and fifth group, utilizing 30% and ...

Fineness Modulus of Fine Aggregate. Fine aggregates is the sand used in mortars. The size of the fine aggregate is limited to maximum 4.75mm beyond which it is known as coarse aggregates. Fineness modulus is only a …

For lower water cement ratio high value of fineness modulus should be adopted an… View the full answer Transcribed image text : Question 5 Sand A has a fineness modulus of 2.5 and sand B a fineness modulus of 2.95.

Coarse aggregate means the aggregate which is retained on 4.75mm sieve when it is sieved through 4.75mm. To find fineness modulus of coarse aggregate we need sieve sizes of 80mm, 40mm, 20mm, 10mm, 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 ...

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 …

concretes are obtained. Moreover, normal sand has a fineness modulus between 2.6 and 2.8 according to standard NF EN 196-1 [16]. Thus, the fineness modulus of a given sand sample can be improved by mixing it with another sand according to the desired applications [17]. By modifying the fineness modulus of sand by

· Comparison of percentage improvement of optimized sands. â€¢ The S-6 sand (fineness modulus of 2.68) gives the compressive strength lower than the S-7 sand (fineness modulus of 1.94) due to the high percentage of calcium (81.8%) and low percentage of silica (6.7%). In case of S-5 sand, the effect is not pronounced as it has 29% of silica ...

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. The following limits may be taken as guidance: Fine sand. Fineness Modulus: 2 - 2, Medium sand. Fineness Modulus. : 2 - 2. Coarse sand. Fineness Modulus: 2 - 3.

· The Questions and Answers of What is the range of fineness modulus of sand which is least suitable for making a good concretea)3.5 - 4.5b)2.9 - 3.2c)2.6 - 2.9d)2.2 - 2.6Correct answer is option ''A''. Can you explain this answer? are solved by group of students and teacher of SSC, which is also the largest student community of SSC.

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 from which the sample is obtained.

· Add the cumulative weight of aggregate retained and divide the sum by 100. This value is termed as fineness modulus Refer the following example calculation Fineness Modulus of Sand – Worked Out Example Example Calculation of Fineness Modulus of Fine Aggregate So Fineness Modulus = 246/100 = 2.46

· Fine sand: its fineness modulus is 2.2—1.6, the average particle size is 0.35—0.25 mm. Super-fine sand: its fineness modulus is 1.50.7, the average particle size is below 0.25 mm. LZZG is a professional manufacturer of all kinds of stone and sand processing equipment. We provide various sizes of sand production line and stone production ...

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. Determination of Fineness Modulus of Sand To determine the fineness modulus, we need standard sieves, mechanical sieve shaker …

The ACI 211.1 code has specified that the fineness modulus of sand shall not be less than 2.4 and not more than 3.0. ASTM C33 (2016) notes that the fineness

SCC fresh properties using MSand with different values of This has led to several environmental issues thereby fineness modulus. government imposing a ban on the unrestricted use of natural sand. This has resulted in the scarcity and significant rise in II. EXPERIMENTAL STUDY the cost of natural sand.

The Grading-zone Curve of Sand The coarseness of sand is expressed by fineness modulus ( Mx ), defined as follows: (5.1) M x = A 2 + A 3 + A 4 + A 5 + A 6 − 5 A 1 100 − A 1 The bigger the fineness modulus is, the more coarse the sand is. The fineness modulus of the sand used in ordinary concrete is within 3.7 ~ 1.6.

Fineness Modulus of Sand 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.

across south India, that it has become increasingly difficult to get river sand of consistent quality in terms of grading requirements and limited silt / clay content. In case of manufactured sand with well-designed screening system the required grading and fineness modulus (2.4 to 3.1) can be achieved consistently .

Request PDF | Influence Of The Fineness Modulus Of Sand On The Compressive Strength Of Its Corresponding Mortar: A Mathematical Model Proposal | This work proposes a mathematical model describing ...

Type of sand Fineness modulus range Fine sand 2.2 – 2.6 Medium sand 2.6 – 2.9 Coarse sand 2.9 – 3.2 Fineness modulus limits for various zones of sand according to IS 383-Sieve size Zone-1 Zone-2 Z 10mm 100 100 1 4.75mm 90-100 90-100 9 rd Get Noti±cations ×

· 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. Type of Sand. Fineness Modulus Range. Fine Sand.

Transcribed image text: Q1. The Fineness Modulus of fine aggregate /sand is defined as follows cumulative percentage retained on specified seves PM 100 where: F.M. fineness modulus specified sieves Sieve Size 0.150 mm (No. 100), 0.30 mm (No. 50), 0.60 mm (No. 30), 1.18 mm (No. 16), 2.36 mm (No. B), 4.75 mm (No. 1). 9.5 mm (0.375-in.), 19.0 mm (0.75-in.), 37.5 mm …

What is fineness modulus of aggregate? Q.1) Find the fineness modulus of coarse aggregates for which the sieve analysis is given it the table below: Q.2) Find the F.M of coarse aggregate and fine aggregate form the sieve analysis data as given in the table 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. Sieve Analysis Procedure The fineness modulus of fine aggregate varies from 2.0 to 3.5mm. Values of Fineness Modulus of Sand.

Answer (1 of 7): When it comes to sand, the main difference between coarse sand and fine sand is the size of the grains. * Coarse sand has larger grains, while fine sand has smaller ones. This makes coarse sand great for use in construction projects, as it can provide a solid foundation. For co...

· A mechanism of sand, its fineness modulus margin and single sieve sieve into a linear relationship. Just by measuring establish a linear relationship, measuring a single sieve sieve margin, you can accurately and quickly determine the fineness modulus, only a fineness modulus, has only one graded. stone crusher equipment indonesia. Mechanism of ...

On the other hand by increasing Fineness Modulus from 2.5 to 3, the strength increases from 4.25 to 4.81 MPa resulting in 13.1% increase in strength. For Every 0.1 increase in FM of sand from 2.0 to 3.0, Flexural Strength increases by 2.1 to .5%. The increase in strength is more towards coarser side of sand.

· Fineness modulus offers a way to quantify the average size of the aggregate particles in the concrete mix. The size of the particles, in turn, will greatly affect how easily the concrete pours and spreads, as well as its strength and durability once cured. If you would like to learn more about how to determine the best type of concrete for a ...

Jul 31, 2016· 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 sieves. The cumulative percentage retained on each sieve is added and subtracted by 100 gives the value of fineness modulus.

A small number indicates fine sand; a large number indicates coarse sand. For mix proportioning, fine sand would require more cement and a greater tendency to develop cracks. A coarse sand will produce a concrete mixture that is harsh and difficult to finish and will cause segregation.

On the other hand by increasing Fineness Modulus from 2.5 to 3, the strength increases from 4.25 to 4.81 MPa resulting in 13.1% increase in strength. For Every 0.1 increase in FM of sand from 2.0 to 3.0, Flexural Strength increases by 2.1 to .5%. The increase in strength is more towards coarser side of sand.

Fineness Modulus of Sand - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Fineness Modulus

Ordinary Portland cement of 53 grade with specific gravity of 3.15 has been used. The initial setting time and final setting time were found to be 33min and 315min respectively. B. Fine Aggregate Locally available natural river sand passing through 4.75 mm I.S. Sieve w ith a fineness modulus of 2.74, and water