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Test Procedure for Fineness Modulus of Coarse Aggregates Arrange the sieves in descending order and put the arrangement on mechanical shaker. It is suggested that, to know the exact value of fineness modulus for coarse aggregate, mechanical shaker will give better value than hand shaking because of more no. of sieves and heavy size particles.

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

Chat OnlineSIEVE ANALYSIS OF FINE AND COARSE AGGREGATES FOP FOR AASHTO T 27 (11) MATERIALS FINER THAN 75 µm (No. 200) SIEVE IN MINERAL AGGREGATE BY WASHING FOP FOR AASHTO T 11 (11) Scope Sieve analysis determines the gradation or distribution of …

Chat OnlineWhat 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 sieves. The cumulative percentage retained on each sieve is added and subtracted by 100 ...

Chat OnlineFineness 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 ...

Chat OnlineJan 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.

Chat OnlineGrading, 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.

Chat OnlineTest Procedure for 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.

Chat OnlineMay 10, 2013· > Mining News > formula for fineness modulus of sand; Print. formula for fineness modulus of sand. Posted at:May 10, 2013[ 4.8 - 1341 Ratings] Sieve analysis and Fineness modulus of Sand. ... it still remains to calculate a "fineness modulus" for any given sieve test.

Chat OnlineA comparison of three maximum size gradings of sand-gravel and sand-crushed stone mixtures in concrete has revealed that for each type and size of coarse aggregate a constant value for fineness modulus will be obtained for any workable mixture from lean to rich, if the cement is included in the modulus figures.

Chat Onlinecloser to rounded river sand. Another issue associated with river sand is that of obtaining required grading with a fineness modulus (FM) of 2.4 to 3.1. Generally FM of 2.2 to 2.6, 2.6 to 2.9 and 2.9 to 3.2 indicates that the sand is fine, medium and coarse confirming to …

Chat OnlineCHAPTER 2 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.

Chat OnlineThe 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 ...

Chat OnlineThe 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. And if M x is within 3.7 ~ 3.1, it is coarse sand; if M x is within 3.0 ~ 2.3, it is medium sand; if M x is within 2.2 ~ 1.6, it is fine sand; and if M x is within 1.5-0.7, it is superfine sand which should be considered specifically when concrete is ...

Chat Online4.5.9 Fineness Modulus • Fineness modulus is the sum of the cumulative percentage retained on the sieves of the standard test sieves. Fineness modulus (FM) = (Cum. percent retained / 100) Standard test sieves are as follows: Coarse aggregate: 75mm, 38mm, 20mm, 10mm Fine aggregate: 4.75mm, 2.36mm, 1.18mm, 0.600mm, 0.300mm, 0.150mm Total 54 41

Chat OnlineJun 02, 2012· Degree of gradation is also called fineness modulus of sand. We find fineness modulus and compare it the standard recommended values. Apparatus: The apparatus consists of six different types of sieves i.e. #4, #8, #16, #30, #50, and #100 sieve. The smallest sieve number is at the top and the others are arranged in ascending order.

Chat OnlineSand from the local river (Cauvery) was used as fine aggregate with the fineness modulus of 2. Studies on the chloride permeability of fly ash and silica fume based ternary blended concrete The size fractions and the fineness modulus of the sand and the coarse aggregate used were also measured.

Chat OnlineThe 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.

Chat OnlineAug 10, 2017· What is the fineness modulus? Update Cancel a UV d jvsKY tqqpk b YsBrP y g lr L neoL e MHook m rU o Jx n OLA a BMW d G e QAUP e I pqwVo n vL s DMJUf u FTGQ r xAD a zzt n Fooyv c h e ASDw

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Chat OnlineAug 19, 2017· ii) the percentage by weight of the total sample passing through one sieve and retained on the next smaller sieve, to the nearest 0.1 percent. The results of the sieve analysis may be recorded graphically on a semi-log graph with particle size as abscissa (log scale) and the percentage smaller than the specified diameter as ordinate.

Chat OnlineThe 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.

Chat OnlineFineness Modulus (FM) of concrete aggregates is an empirical figure representing the mean particle size of an aggregate sample. The number is required in the selection of proportions for the concrete mix design process, but its real influence is not always understood by users.

Chat OnlineFineness Modulus of Sand for Concrete Fineness of fine aggregate is related to term fineness modulus ; most commonly sand. Fineness modulus is a measure to define fineness of aggregate precisely it defines coarseness or fineness of aggregate to be used in concrete .

Chat OnlineFINENESS So we need to determine the fineness of cement by dry sieving as per IS: 4031 (Part 1) – 1996.The principle of this is that we determine the proportion of cement whose grain size is larger then specified mesh size.

Chat OnlineJul 06, 2015· This test is done initially for concrete mix design and later conducted periodically for mix proportion adjustments if it is suspected that the grading of aggregates has changed considerably. 5. Fineness Modulus. Fineness modulus is generally used to …

Chat OnlineTest procedure – Fineness Modulus of Sand Take the sieves and arrange them in descending order with the largest sieve on top. If mechanical shaker is using then put the ordered sieves in position and pour the sample in the top sieve and then close it with sieve plate. Then switch on the machine and

Chat OnlineJun 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.

Chat OnlineFineness modulus of sand is an index arrived based on the particle size analysis and then dividing the sum of the cumulative percentage of particles retained on the sieves by 100. it is important to note that higher the fineness modulus, higher is the coarser portion of the sand.

Chat OnlineAs fineness modulus of sand changes from 2.0 to 2.5 there is an increase in compressive strength from 43.07 to 49.00 MPa. i.e. strength increases by 14%. On the other hand by increasing Fineness Modulus from 2.5 to 3, Compressive strength increases from 49.00 to …

Chat OnlineFor 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.

Chat OnlineFineness modulus is a single factor computed from the sieve analysis and is defined as the sum of the cumulative percentages retained on the sieve of the standard series divided by 100. The fineness modulus can be looked upon as a weighted average size or a sieve on which the material is retained, and the sieves being counted from the finest.

Chat OnlineOct 18, 2014· Test#11 Fineness Modulus Determination of fitness modulus on fine aggregate (AASHTO M6) Fitness Modulus results from a calculation on using data from a sieve analysis.

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