· Currently, fire in building is one of the most serious disasters. With the increase of basic construction items in western China, ordinary medium sand resource no longer met with the need of engineering. Compressive strength experiments of concrete produced with desert sand after elevated temperature were carried out in this paper. The effects of desert sand replacement rate (DSRR ...

Contact us2.Effect of cement fineness on paste and concrete properties The finer the cement, the more water is required to produce a workable concrete. For the modulus of elasticity of concrete, it decreases if the fineness of the cement increases. For larger cement particles the concrete workability will be higher. 3. Difference between obtained and specific cement fineness The difference between the ...

Contact usFineness Modulus of Fine Aggregate Fine aggregate (sand) grading affects consistence and finishability. Fineness Modulus (FM) is an empirical calculation used to support the optimisation of a concrete mix design. It is used to determine ''degree of uniformity of the grading''.

Contact usIn other words, coarser the aggregate, higher the fineness modulus. The maximum value of fineness of coarse aggregate is found to be 8.0 and for coarse sand 3.5. The fineness modulus for fine aggregate varies from 2.0 to 3.5, for coarse aggregate from 5.5 to 8.0 and for all in aggregate 3.5 to 6.5.

Contact usInternational Journal of Research and Scientific Innovation (IJRSI) | Volume IV, Issue VII, July 2017 | ISSN 2321–2705 Effect of Fineness Modulus of Manufactured Sand on Mechanical Properties of Self Compacting Concrete D. Pavan Kumar*1,C. Sashidhar2 1 Reserach Scholar, Ph.D, Department of Civil Engineering, Jawaharlal Nehru Technological University, Anantapur, India 2 Professor, Department ...

Contact usFineness Modulus of Sand • The fineness modulus is calculated from the particle size distribution of the fine aggregate • Values for sand suitable for concrete should range between 2.3 and 3.1 • Values can''t differ by more than 0.2 • Coarse sand has a higher FM than fine sand • The FM influences the bulk volume of coarse aggregate

Contact us· Rahman, ASMA, & Tarefder, RA. "Effect of Fineness Modulus and Uniformity Coefficient on the Complex Modulus Function of Asphalt Concrete." Proceedings of the ASME 2017 International Mechanical Engineering Congress and Exposition.

Contact usthe specific gravity is 2.65. The Fineness modulus of river sand is 5.24. Manufactured Sand: M-Sand was used as partial replacement of fine aggregate. The bulk density of Manufactured sand was 1.75 kg/m3, specific gravity and fineness modulus was found to be 2.73 and 4.66, respectively. The percentage of particles passing

Contact us· The fineness modulus results shows AS and QD samples are lies under Zone 3 whereas all other sample are lies under zone 2 as per IS 383: 2016. The fineness modulus of sand decreases with increase in+ specific gravity as seen in Fig. 4. The specific gravity increases when the aggregate materials presents in the samples was denser with higher ...

Contact us· Typically the fineness modulus varies between 3.2 and 2.8. A small number indicates a fine grading, and a large number indicates a coarser material. The fineness modulus of the fine aggregate is required for mix proportioning, since sand gradation has the largest effect on concrete …

Contact usThis section discussed about the effect of fineness modulus of sand on the fresh and hardened properties of concrete. 3.1 Effect of fineness modulus on fresh properties The fresh properties were tested according to EFNARC guide lines [2] and the results were tabulated as follows. Table 6: fresh properties of SCC Fineness modulus

Contact usEffect of Sand Fines and Water/Cement Ratio on Concrete Properties ... the sand content in concrete. The sand particles retained on the 75µm sieve were gathered, washed with water to remove left ... range from0.1 to 0.6%.The fineness modulus obtained suggest that, the aggregates used had an approximately average sizes of ...

Contact usIf fineness modulus of sand is 2.5, it is graded as very fine sand fine sand medium sand coarse sand Discussion Home ‣ Civil Engineering ‣ Concrete Technology Comments

Contact usFINENESS 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. 1.2 The values given in parentheses (if provided) are not standard and may not be exact

Contact usEffect of Fineness Modulus of Manufactured Sand on Mechanical Properties of Self Compacting Concrete D. Pavan Kumar*1,C. Sashidhar2 1Reserach Scholar, Ph.D, Department of Civil Engineering, Jawaharlal Nehru Technological University, Anantapur, India

Contact usAdmixture Dosage reduced from 1.0 percent to 0.2 percent as sand fineness modulus increases from 2.0 to 3.0. For Every 5% increase in FM of sand, admixture dosage reduced by 0.1%. Effect of Fineness of Sand on Density of Concrete After measuring the slump, several 150 mm cubes were filled. These were cured in water tank for 28 days.

Contact usArtificial sand confirming to all four zones was having specific gravity of 2.76 also used to full replacement of natural sand. The fineness modulus of coarse aggregate, natural sand and artificial sand was 7.81, 5.18 and 4.62 respectively. The water absorption was 0.50% and 0.52% for coarse aggregate and natural sand respectively.

Contact usReplacement of silica sand in concrete increases from 10% to 70%, the acid cured cube strength was decreases from 4.54% to 20% for mix – 1. For mix -2 the acid cured cube strength was decreases from 6.03% to 16.66% Replacement of silica sand in concrete increases from 10% to 70%, the sulphte cured cube strength was decreases from

Contact usThe effect of grading of aggregate is shown in the bottom set of 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.

Contact usEffect of sand grading on the properties of mass concrete. FINENESS MODULUS. Fig. 5. Effect of sand grading on sand-aggregate ratio of mass concrete corresponding low-air-content mixes.

Contact usFineness 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. The thumb rule is lower the fineness modulus, particles are ...

Contact usAn 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. The required dry mass is, therefore, 0.71 x 1600 = 1,136kg."

Contact usThe beam was checked for verticality using a spirit level An electrical from ENGINEERIN 2009 at Dedan Kimathi University of Technology

Contact useffect of fineness modulus on plaster. fineness modulus for crush sand . What is Fineness Modulus of Aggregate? Fineness modulus is an empirical factor obtained by adding the cumulative percentages of aggregate retained on each of the standard sieves ranging from 80 …

Contact usThe fineness modulus is commonly used to determine the coarseness or fineness of an aggregate. A higher fineness modulus value suggests a coarser aggregate, whereas a lower fineness modulus value implies a finer aggregate. Sand with a fineness modulus of more than 3.2 is usually not being used to produce great concrete.

Contact us· The obtained results suggest clearly the direct effect of fineness modulus of aggregates on mechanical and physical properties of concrete. In details, the decrease in fineness modulus from 3.26 to 2.66 has caused an increase in slump values and compressive strengths.

Contact us· Effects of Aggregate Gradation and Fineness on Concrete Properties. A concrete mix basically consists of sand and rock of various sizes glued together … For example, in a typical 600-pound cement mix with entrained air, the fine and … be smooth, with neither a deficiency nor excess of material of any one size. … ASTM C33 suggests that the fineness modulus be kept between and

Contact us· Ideal and optimum fineness moduli are used in combination with the geometrical gradation of aggregates to establish the mix proportioning of mass concrete. The 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 ...

Contact us· 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.

Contact usCoarse river sand with fineness modulus of 3.0 with water cement ratio of 0.4 was used to produce the said concrete using mix ratio 1:1.5:3 (cement:sand:granite). The coarse aggregate sizes namely 19 mm and 25 mm were also used along separately. The cement was subjected to specific gravity, fineness, consistency, setting time,

Contact usFineness Modulus of Fine Aggregate: 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.. The accumulated percentage kept on each sieve is applied and the sum of the fine aggregate is subdivided by 100.. To find the fine aggregate fineness modulus, we require 4.75mm, 2.36mm, …

Contact usProperties And Effects Of Copper Slag In Concrete 47 2.7 Fineness Modulus The fineness modulus of coarse aggregates (20 mm & 10 mm), sand and copper slag are 7.10, 6.77, 2.94 and 4.06 respectively. Table 3.2 to 3.3 shows the fineness modulus of 20 mm, 10 mm coarse aggregates, sand and copper slag respectively.

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