Typical Values of FM of Sand. The maximum value of FM for sand should be 3.2. Aggregate with FM higher than 3.2 should not be considered as Fine aggregate. The fineness modulus of sand ranges between 2.2 to 3.2 depending on the fineness of sand. Fine sand has a FM range of 2.2-2.6; Medium sand from 2.6-2.9 and coarse sand from 2.9-3.2.
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Fineness modulus = (Summation of cumulative % of weight retained up to 150 microns) / 100. Fineness modulus = 240/100. Fineness modulus = 2.4. So, in our case, it is Fine Sand. Also, Read – How to Calculate Cement, Sand and …
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The sampling and test methods shall be done with grading and fineness modulus test, organic impurities test, effect of organic impurities on strength test, soundness test, clay lumps and friable particles test, coal and lignite test, bulk density of slag test, abrasion of coarse aggregate test, reactive aggregate test, freezing and thawing test ...
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Fineness modulus of sand should be as per the following table. Type of Sand: Fineness Modulus: Crushed stone sand: Not less than 1.4: Crushed gravel sand: Not less than 1.4: Natural sand: Not less than 1.5: Reference. IS:1542-1992- Sand for Plaster – Specification. Share this: Email; Print; More;
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Image from Mavs Open Press Effect of Moisture Content on Bulking of Sand Fineness Modulus: The fineness modulus (F.M.) is a numerical measure of fineness that provides an indication of the average particle size within aggregates. For fine aggregates, the fineness modulus typically falls within the range of 2.0 to 3.5.
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Source of the sample Specific Gravity Fineness Modulus Sand Zone Silt & Clay Content (%) Meghalaya 2.62 3.22 II 0.2. Table 11: C ompressive Strength T est of M-40. Sl.
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What is fineness modulus (FM) in relation to aggregates? Fineness modulus is a measure that describes the average size of particles in an aggregate sample. It is calculated by summing up the cumulative percentages of …
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Sand with a fineness modulus greater than 3.2 is generally not used to make good concrete. Assessment of Fineness Modulus of Sand. Sieve analysis as per IS 2083 Part 4 is typically used to determine the fineness modulus of both coarse and fine aggregates. The IS code for the determination of the fineness modulus of fine aggregate is IS 383 ...
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Sieve Analysis For Fine Aggregate. Also, Read: Laboratory Test on soil – Procedures and Objective The Fineness Modulus of Fine Aggregate: As per Clause number 1008 of MORTH-5th Revision, the fineness modulus of fine aggregate should be between 2.0 to 3.5.
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These natural aggregates include natural sand, crushed gravel, and crushed stone. They play a crucial role in determining the concrete's workability, durability, strength, weight, and shrinkage. ... Additionally, the fineness modulus of the fine aggregate must be between 2.3 and 3.1, with a variation of the fineness modulus test no more than ...
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Sieve Analysis Test of Sand is done to check the gradation of sand particles. Sand particle distribution in sand volume is important for good-quality concrete and mortar. In this test, the sand sample is passed through a series of IS …
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So the fineness modulus of sand can be defined as the index number that provides the mean size of particles exist in a sand sample. To calculate the Fineness modulus, we first need to do a sieve analysis test using …
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suitability Number, Fineness Modulus, Density, and Strength … 95 FM = 0.0138SN 2 - 0.4874S N + 5.3026 R² = 0.9583 0.00 1.00 2.00 3.00 4.00 5.00 6.00 0 5 10 15 20 25 30 Fineness Modulus, FM Suitability Number,SN Fig. 4 Fineness modulus and suitability number for uniformly graded sand Table 2 Results of density and angle of internal friction ...
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Advantages of Crush Sand. Crushed sand has more compressive and flexural strength than natural sand because it is graded properly and has a higher fineness modulus. While it is devoid of silt, dust, and clay, the particles are packed more densely, making the concrete stronger.
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It is approximately proportional to the surface area per unit of weight of sand, exclusive of clay. 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 ...
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The fine aggregate shall consist of natural sand, manufactured sand, or a combination thereof. 1. Grading. 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.
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The fineness modulus of sand is a value that indicates the coarseness or fineness of sand particles. It is commonly used in the construction industry to determine the amount of sand to be used in concrete mixtures, as well as to ensure …
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The sand fineness module (fine aggregate) is an index number describing the mean size of sand particles. By doing sieve analysis with normal sieves, it is measured. ... To find the fine aggregate fineness modulus, we require 4.75mm, 2.36mm, 1.18mm, 0.6mm, 0.3mm, and 0.15mm sieve sizes.
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This research investigates the impact of sand fineness modulus (FM) and micro-silica (MS) on the properties of self-compacting concrete (SCC) and self-compacting lightweight concrete (SCLC). The cement replacement level of MS was 7% in this research. The superplasticizer dosage was 0.65% of the cement weight, but it increased to 1% in the mixes ...
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Therefore, in order to obtain well-graded crushed sand, a series of fine aggregate gradations of crushed diabase sand quantified by fineness modulus M and packing void fraction n, which comply with Talbol grading equation derived from Fuller's grading equation, first are designed to prepare mortars, and then mortar properties, i.e., rheology ...
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The Fineness Modulus (FM) of fine aggregates (sand) is an empirical figure obtained by adding the total percentage of the sample of a sand retained on each of a specified series of sieves, and dividing the sum by 100.
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NOTE* Weight lower than 150 micron is not considered in calculation :- Fineness modules (F.M.) = 2.45. Q.3) A sieve analysis was carried out for 5 kg aggregate in the laboratory with available sieves.
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(ii) Crushed sand – Crushed stone sand/Crushed gravel sand (iii) Mixed sand (iv) Manufactured fine aggregate (Manufactured sand): – Iron slag aggregate – Steel slag aggregate – Copper slag aggregate – Recycled concrete aggregate – Bottom ash from Thermal Power Plant c) Coarse aggregates are further classified as given below ...
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Therefore, fineness modulus of coarse aggregates = sum (cumulative % retained) / 100 = (717/100) = 7.17 Fineness modulus of 7.17 means, the average size of particle of given coarse aggregate sample is in between 7 th and 8 th sieves, that is between 10mm to 20mm. Limits of Fineness Modulus Fineness modulus of coarse aggregate varies from 5.5 to 8.0. And for all in …
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* In the case of manufactured sand, if the material finer than the 75* In the case of manufactured sand, if the material finer than the 75--micron (No. 200) sieve consists of micron (No. 200) sieve consists of ... Fineness Modulus (FM) • A single number system used to express the
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The fineness modulus of sand is an index that represents the average size of particles in sand. It is calculated through sieve analysis by adding the cumulative percentages retained on each sieve and subtracting from 100. A lower fineness modulus indicates finer sand particles. Common values range from 2.0 to 3.5, with fine sand around 2.2-2.6, medium sand 2.6-2.9, and coarse …
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The Fineness Modulus of Sand IS Code is an index number indicating the average size of sand particles, akin to the way the purity of a pure metal is represented by its fineness, …
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1 Crushing: It is to crush the large rocks and stones by a rock crusher into gravel-sized materials (about 0-4 mesh); 2 Grinding: ... Coarse sand size: Its fineness modulus is 3.1-3.7, and the average particle size is 0.5mm or more; Medium sand grain size: ...
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Limits of Fineness Modulus of Sand. Maximum size of aggregate. Fineness modulus: Minimum: Maximum. Fine Aggregate: 2: 3.5: Coarse aggregate 20mm: 6: 6.9: Coarse aggregate 40mm: 6.9: 7.5: Coarse aggregate 75mm: 7.5: 8.0: If …
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What is fineness modulus of aggregate? The fineness modulus of aggregate is simply a measurement of the average size of the aggregate. It can be calculated with the help of different sizes of the sieve. Now, let us see some numerical …
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Results confirmed that the optimum fineness modulus range for the crushed sand to be used as fine aggregate in the concrete mix to get maximum compressive and flexural strength is from …
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As per the grading given in Table 1, the fineness modulus of sand could vary from 1.2 to 2.2. As per clause 5.2, The fineness modulus of sand shall be not less than I.4 in case of crushed stone sands and crushed gravel sands and not less than I.5 in case of naturally occurring sands. Additional Information. Fineness Modulus:
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SB3 sand (FM=3.1) and SG5 sand (FM=2.2) were mixed to vary the fineness modulus from 2.2 to 3 and the compressive strengths of each corresponding mortar specimen determined after 28 days.
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• 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 content. The optimized sands show significant improvement ...
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Explanation: 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 of coarse aggregate is 6 - 8.5. Fineness modulus of fine aggregate is 2 - 3.5. The fineness modulus of different types of sand …
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3.1.2—Fineness modulus 3.1.3—Maximum size and nominal maximum size 3.1.4—Significance of aggregate grading 3.1.5—Permissible variations in grading ... material such as sand, gravel, crushed stone, blast-furnace slag, and lightweight aggregates that usually occupies approxi-mately 60 to 75% of the volume of concrete. Aggregate
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crush sand is better than that of natural sa nd ... Results revealed that the optimum Fineness Modulus for the limestone to be used as fine aggregate in the concrete mix to get maximum compressive ...
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NOTE – For crushed stone sands and crushed gravel sands, the permissible limit on 150 micron IS Sieve is increased to 20 %. This does not affect the 5% allowance permitted. The fineness modulus of sand shall be not less than 1.4 in case of crushed stone sands and crushed gravel sands and not less than 1.5 in case of naturally occurring sands.; Silt Content …
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Hammer crushers crush rocks into sand by using high-speed rotating hammerheads. They are used in the primary crushing process or secondary crushing process of the sand making line. ... It takes a long time to replace the grate when adjusting the particle size, granularity, and fineness modulus of the product. The sand has high powder content ...
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Fineness Modulus: 2.30 - 3.15 — — — 1.6 - 2.5. Bituminous Concrete Sand. Table A Fine Aggregate Grading & Quality Requirements. Author: Toshiba Preferred User Created Date:
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