· 2 The fineness modulus of medium sand is 3.0-2.3, and the average particle size is 0.35mm to 0.5mm. 3 The fineness modulus of the fine sand is 2.2-1.6, and the average particle size is 0.25mm to 0.35mm. 4 The fineness modulus of the ultra-fine sand is 1.5-0.7, and the average particle diameter is 0.25 mm or less.
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 numerical index of fineness that gives some idea about the mean size of the articles in the entire body of concrete.
· But in case of fully saturated sand the water films are broken and the volume becomes equal to that of dry sand. 9. 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 micron and dividing this sum by 100.
· Knowledge of the tensile Young''s modulus of concrete at early ages is important for estimating the risk of cracking due to restrained shrinkage and thermal contraction. However, most often, the tensile modulus is considered equal to the compressive modulus and is estimated empirically based on the measurements of compressive strength. To evaluate the validity of this approach, the tensile ...
· This sand has the Fineness modulus of 5.24. Alternative to Natural Sand is Manufactured Sand; M-Sand was used as having the bulk density of 1.75kg/m3 with specific gravity and fineness modulus around 2.73 and 4.66, respectively. Densities of various sands are listed below, Loose sand has a density of 1442 kg / m3 as it is a dry form of sand.
Fine Aggregate Bulk specific gravity (SSD) = 2.72 Absorption capacity = 1.8 % Total moisture content = 4.6 % Fineness modulus = 2.6 Coarse Aggregate 1 Crushed Aggregate Maximum nominal particle size of 21 mm Bulk specific gravity (SSD) = 2.65 Absorption capacity = 1.5 % Total moisture content = 4.0 % Dry-rodded density = 1,750 kg/m3 Coarse Aggregate 2 River stone Maximum nominal particle size ...
Coarse 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,
· Particle Size Distribution and Fineness Modulus. Figure 3 and Table 4 show grading curve and fineness modulus of blended aggregate. In test results, fineness modulus of pure SS was 2.8 and it was suitable for using in concrete. However fineness modulus of pure CS was 3.98 and it was not suitable for concrete aggregate.
Locally available river sand have density 1710 kg/m3 is used and specific gravity is 2.65 and fineness of modulus of river sand is 5.24. m sand used as partial replacement of fine sand in construction line and the density of M sand is 1750 kg/m3, specific gravity and fineness of modulus is found to be 2.73 and 4.66 respectively.
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 sum of cumulative percentage retained on each sieve and divided by 100 gives the value of fineness modulus.
· Fineness modulus is an impurical factor which is 100th of the sum of cumulative percentage of the fraction of a sample retain on each successively in the order. GRIDING – Griding of aggregate is the particle size distribution of the aggregate. It is plated as curve on a semi log graph. It indicates wheather the material is well graded or not.
o logy and Codes Group 1 Conditions & Specifications: • Concrete slab in Arizona k c i h t n i - •6 • Exposed to moisture • Specified strength of 4000 psi at 28 days
Fine Aggregate: River sand having bulk density 1754 kg/m3 and fineness... Get Price. P&Q University Lesson 2- Site Selection & Plant Design : Pit & Quarry. ... Physical properties like bulk density, fineness modulus etc., grain... Get Price. Aggregates for Concrete, Chapter 5 - Civil Engineering.
Now, let us see some numerical Examples to calculate the fineness modulus of aggregate. Q.1) Find the fineness modulus of coarse aggregates for which the sieve analysis is given it the table below: Weight of sample = 10 kg. Solution:-Coarse aggregate. IS sievi (mm) Weight retained 9(kg) Cumulative weight retained(kg)
Materials to be used: Stone: Size Compacted Bulk Density (CBD): Relative Density (RD): Loose Bulky Density (LBD): Moisture content: Sand Fineness Modulus (FM): Relative Density (RD): Loose Bulky Density (LBD): Moisture content: Water: Location dependent Concrete compaction not specified Concrete cube strength results (MPa): From the background ...
Sand plant technology and classification of sand has changed very little in the past fifty years, until the CFS Density Separator. A CFS Density Separator allows you to: Produce the required fineness modulus with higher sand recovery. Save important screen size fractions critical to …
b) 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,
furnished. The results indicate that the sand conforms to zone 11 of IS: 383-1970. 1.3 Properties of Sand S. No Tests Results 1 Specific Gravity 2.62 2 Bulk Density 1690 kg/m3 3 Fineness Modulus 2.92 materials, furniture, etc.) and disposable goods (e.g. medical 1.2.3 Water Water used for mixing and curing of concrete shall
· FINENESS MODULUS OF FINE AND COARSE AGGREGATE AIM: To determine the fineness modulus of given fine and coarse aggregates. APPARATUS: IS test sieves, square hole perforated plate 75mm, 40mm, 20mm, 10mm, and fine wire cloth of …
FINENESS MODULUS (FM) - The fineness modulus (FM) is a factor obtained by adding the percentages of material in a sample of aggregate that is retained on each of the following sieves: #100, #50, #30, #16, #8, #4, 3/8", ¾", 1 ½", 3", 6". The result is divided by 100 to arrive at the fineness modulus. For conventional concrete the ...
· Table 3. Summary of optimized fineness modulus. Sand Type Original Fineness Modulus Optimized Fineness Modulus S-1 1.45 2.62 S-2 1.04 2.36 S-3 0.69 2.31 S-4 0.7 2.35 S-5 1.47 2.32 S-7 1.94 2.58 Fig. 4. Comparison of optimized gradation curves with ASTM limits. 6.
A concrete mix with a 3 inch slump, w/c ratio of 0.50, and a sand with fineness modulus of 2.4 contains a coarse aggregate with a bulk unit weight of 118 pcf. compute the required weight of coarse aggregate per cubic yard. to adjust the mix so as to increase the compressive strength, the water-to-cement ratio is reduced to 0.45. will the quantity of coarse aggregate increase, decrease, or stay ...
Bulk Relative Density SSD Basis ASTM C-128 Value / Index 2.67 Fineness Modulus (FM) ASTM C-136 Value / Index 2.60 Sand Equivalent ASTM D-2419 Value / Index 68 Uniformity Coefficient Regular Spec. 4.95 Modified Spec. 6.45
· 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.
Fineness Modulus FM = (Cumulative % retained on sieve ≥ 0.15mm) 100 FM = 286/100 FM = 2.86 Fineness modulus of a good-quality sand ranges between 2 and 3 Particle-size Distribution Curve Share this link with a friend:
fineness modulus gives the average size of aggregate fineness modulus gives the number of sieve counted from the bottom. Sieve size of that is the size of aggregate Fineness modulus = sum of cumulative percentage retained / 100 Suppose if the fine...
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 3.2—Specific gravity (relative density) 3.2.1—Definition 3.2.2—Determination of specific gravity 3.2.3—Significance of specific gravity 3.2.4—Absolute volume calculations
reaction, batch mixture proportioning, blast-furnace slag aggregate, bulk density, compaction, fineness modulus, heavyweight aggregate, lightweight aggregate, mixing water, normalweight aggregate, oven-dry bulk density, ... sieve is called fine aggregate or sand, and larger aggregate is called coarse aggregate. Coarse aggregate may be available ...
Natural Sand Fineness modulus = 2.90 Absorption = 1.25% Bulk relative density = 2.55 Dry‐rodded unit weight = 106 lb/ft3 Gravel w/ some crushed particles NMAS = ¾" Absorption = 0.95% Bulk relative density = 2.66 Dry‐rodded unit weight = 99 lb/ft3
Property N-Sand M-Sand Fineness modulus 2.69 2.86 Bulk density(kg/m3) 1726 1748 Specific gravity 2.63 2.65 The particle size distribution curve for various proportions of N-Sand and M-Sandis presented in Figure-1. The Scanning Electron Microscopy (SEM) image of M-sand shown in Figure-2 indicated angular shape and size distribution of the ...
Bulk density (kg/m3) 1588 1891 Fineness modulus 3.57 2.82 Coefficient of uniformity, C u 2.83 0.83 Coefficient of gradation, C c 19.38 1.50 Density of the Blocks The result of the dry densities of the blocks is presented in Appendix 1. The dry densities range from 1823.06kg/m3 to 1961.822kg/m3. These values are within the range reported by [5].
· Bulk density of sand; Changes in fineness of sand; ... The fineness modulus of sand in Pune varies from 3.2 to 3.8 The IS specifies a limit of 2.2 (fine sand) to 3.2 (coarse sand) for fine aggregate. This means that, sand available in Pune is extremely coarse. This is partly because of absence of fines in the sand. 10% to 15% of the sand is ...