curves. From the curves it would appear that an optimum fineness modulus existed for each aggregate type and that there was a sharp decline in compressive strength when the fineness modulus was varied in either direction from this optimum valve for three of the four aggregates. The corresponding air dry block weights are shown in the top portion of

View MoreExplanation: Based on the fineness of sand, there are very fine sand, fine sand, medium sand, coarse sand and very coarse sand. Fine sand has fineness modulus between 2.2-2.6. 4. M-Sand has _____ type of particle shape. a) Flaky b) Round c) Angular d) Cubical View Answer. Answer: d

View Moresand Coarse Cement Fineness Modulus 1.82 5.78 - Specific gravity, G s 2.34 2.65 3.13 Bulk Density (kg/m3) 1390 1635 1497 Absorption 2.42 1.86 - Particle Size Distribution of Akure Pit-Sand According to the Unified Soil Classification System, the sand sample is a fine – grained soil (sand) because

View MoreThe dividing line between fine and coarse aggregate is the 3/8-inch sieve. The fineness modulus (FM) is an index of the fineness of an aggregate. The FM is calculated by adding the cumulative percentages by mass retained on each of a specified series of sieves and dividing the sum by 100 (see Table 1).

View MoreFineness 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 ...

View Moreverified that higher fineness modulus of sand would yield better performance for the concrete, but so far there have been scarce amount of paper reported on the mix design method adopting high fineness modulus of sand. Approach: This study discussed the revolution of design mix proportion towards

View MoreDesigning Concrete Mixtures There are three phases in the development of a concrete mixture: specifying, designing, and proportioning ... mixtures of optimum strength at minimum cement content and acceptable workability. ... and fineness modulus is given by Table 4. The value from the table multiplied by the dry-rodded unit

View MorePreference is given to the use of water-cement ratio as the first step in the de- sign. When the fineness of combined aggregate is expressed in terms of fineness modulus instead of as gravel-sand ratio, a single determination of opti- mum fineness serves for all reasonable gradations of fine or coarse aggregates of a given type and maxi- mum size.

View MoreThis compressive strength is given in table 3 for varying FM of sand. The figure indicates that: .Figure 1. From this figure. The results indicate that with the increase in fineness modulus of sand.2 percent as sand fineness modulus increases from 2. Since water-cement ratio is kept constant.

View MoreMay 03, 2017· Cement fineness test procedure by sieving 90 micron as per IS 4031, Quality control test for cement - Duration: 7:48. Civil Engineering Test 27,694 views

View Moretensile, flexural strength and modulus of elasticity of the SCC mix were investigated to determine the optimum proportion of HSSCC. 3.1 Materials: Ordinary Portland cement OPC – 53 grade, confirming to ASTM C150 / C150M – 12[34] was used for casting the specimen. Locally available river sand with a maximum size of 4.75 mm,

View MoreON COMPRESSIVE STRENGTH AND WORKABILITY OF CONCRETE ... They suggested that optimum replacement of natural sand by manufactured sand is 50%. Saeed Ahmad et al. (2008) have found that compressive strength of various mix ratios ... The Fineness modulus of river sand is 5.24.

View Morefineness modulus is similar to soil particle size distribution or the sieve testing.. this test conducted to see is the aggregate is well graded where almost all size of aggregate are following the standards.

View MoreFor any type of mix proportioning sieve analysis results and fineness modulus is required. here is the excel sheet which includes calculations of fineness modulus. Hope it will consume less time in case of repetitive calculations. Excel Sheet For Sieve Analysis Of Aggregate And To Calculate Fineness Modulus- engineeringcivil.com

View Morerecorded. Results revealed that the optimum Fineness Modulus for the limestone to be used as fine aggregate in the concrete mix to get maximum compressive strength is 2.78. The flow table tests revealed an increment in the workability of fresh concrete with higher Fineness Modulus of limestone used in the concrete mix as fine aggregate.

View MoreThe compressive strengths of optimum concretes were higher than that of the control concrete. All the mixes had good workability, even when there was a reduction of 10% in cement content for the optimum mixes. The finishability of the optimum mix with fly ash was better than the control mix and optimum mix without fly ash.

View More"Effect of Specific Gravity on Aggregate Varies the Weight of Concrete Cube " ... materials such as sand, gravel and crushedstone that are used with a binding medium (such as water, ... Fineness Modulus is defined as an index to the particle size not to the gradation. Fineness Modulus

View MoreThe ideal and optimum fineness moduli are experimentally determined for each maximum size of aggregate (MSA) by making concrete mixtures with aggregates of different fineness modulus and determining which of the mixtures give the highest compressive strength for …

View MoreRiver sand 2.507 Quarry dust 2.688 Coarse aggregate 2.703 3.2.3 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 4.75mm to 150 …

View Moremodulus hence fineness modulus of coarse aggregate is higher than fine aggregate. To find fineness modulus of coarse aggregate we need sieve sizes of 75mm, 37.5mm, 19mm, 9.5mm, 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

View MoreIn Todays world, Fineness modulus is not used for getting idea about fineness on material. it is also omitted from IS Code. More ever this value wont make any sense as it can get manipulated easily and it can show sand as fine but in reality its a coarse and vice a versa.

View MoreAs 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 56.83 MPa resulting in 16% increase in strength.

View MoreThe 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.

View MoreWhat is Fineness Modulus of Coarse Aggregates? Fineness modulus of coarse aggregates represents the average size of the particles in the coarse aggregate by an index number. It is calculated by performing sieve analysis with standard sieves. The …

View MoreWhat is the finess modulus of sand?.. Answer / dr savitha natak. Fineness 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. ...

View MoreIt depends on the type of sand and aggregate. The fineness modulus of the sand. The MAS of the aggregates. Besides the size factor, it shall also greatly depend on what is the moisture content in the material. This therefore, gets connected to the prevailing weather conditions at the location of the site.

View Moreb) As per the grading given in Table 1, the fineness modulus of sand could vary from I.2 to 2.2. 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,

View MoreAggregates for Concrete bination of gravels or crushed stone with particles predominantly larger than 5 mm (0.2 in.) and generally between 9.5 mm and 37.5 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 ...

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