Crushing & Grinding Machines

A Detailed Guide on Grading of Aggregat

The method can be used to determine fineness modulus of coarse aggregates fine aggregates and all-in aggregates ie mixed aggregat In this method a convenient weight of the sample is taken and sieved through a set of sieves one after another The number of sieves is five for the coarse aggregates and ten for all-in-aggregat...

THE ROLE OF FINENESS MODULUS

Jul 20 2018 0183 32 Calculation Process Concrete workers calculate fineness modulus using sieves with progressively smaller hol Separate sets of sieves are used for coarse and fine aggregat The measuring process itself will be the same for both categories of aggregate First the sieves must be arranged in a stack in descending order...

Replacement of Coarse Aggregate by Using Naturally

15 Fineness of Cement 2 Coarse Aggregate 21 Specific Gravity of Aggregates 22 Water Absorption Capacity of Aggregates 23 Fineness Modulus of Aggregates 3 Fine Aggregate 31 Bulking of sand V TEST ON CONCRETE Compressive Strength Test A cube compression test is performed on standard cubes of conventional concrete and...

Effect of Fineness of Sand on the Cost and Properties of

In the present study we have selected M30 Grade of concrete mix To find out the effect of fineness modulus FM of sand on concrete sand of different FM from 20 to 30 is chosen Two sizes of coarse aggregate particles ie 20 10 mm which are generally used in standard concrete mix were chosen for the investigations Concrete Mix Selected...

Standard Test Method for Sieve Analysis of fine and coarse

2 173 Fineness modulus gives us an overall idea whether the material is fine or coarse Higher the value of FM coarser will be the aggregate Sieve Analysis 3 173 It also indicates the surface area of the particl...

2 Concrete Materials

FINENESS MODULUS The fineness modulus is an indicator of the fineness of an aggregate and is most used for evaluating fine aggregat The higher the number the coarser the aggregate The fineness modulus is computed by adding the cumulative...

Aggregate in Concrete

The proportions between coarse and fine aggregates will change based on the unique characteristics of each aggregate the placement method and the finish desired The 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...

Fineness modulus

The 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 100Sieves sizes are 150-μm No 100 300-μm No 50 600-μm No 30 118-mm No 16 236-mm No 8 475-mm No 4 95-mm 3/8-in 190-mm 3/4-in 375-mm 11/2-in and larger...

FINENESS MODULUS OF FINE AGGREGATE

FINENESS MODULUS OF FINE AGGREGATE TxDOT Designation Tex-402-A Effective Date August 1999 1 SCOPE 11 This method determines the fineness modulus of concrete fine aggregate used in evaluation of natural and manufactured sands for portland cement concrete 12 The values given in parentheses if provided are not standard and may not be exact...

Gradation of Aggregate Ultimate Guide

Jan 10 2021 0183 32 Fineness Modulus FM The fineness modulus FM of either fine or coarse aggregate according to ASTM C 125 is obtained by adding the cumulative percentages by weight retained on each of a specified series of sieves and dividing the sum by 100...

The Importance of Fineness Modulus Concrete Construction

Jan 01 1994 0183 32 The 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 FM is the sum of the...

Aggregates for Concrete

AGGREGATES FOR CONCRETE E1-3 sieve and predominantly retained on the 75 181 m No 200 sieve is called fine aggregate or sand and larger aggregate is called coarse aggregate Coarse aggregate may be available in several different size groups such as 19 to 475 mm 3/4 in to No 4 or 375 to 19 mm 1-1/2 to 3/4 in...

How does the fineness modulus of aggregate affect the

Oct 03 2018 0183 32 Fineness Modulus is an indication grading of particle size More the value of FM more coarser the aggregate is Now because density vary with particle size and also the void spaces inside the concrete is a function of aggregate size it is very i...

GRADATION OF AGGREGATE FOR CONCRETE BLOCK

for 8 X 8 X 16 inch Concrete block of 375 core space made on a power tamping block machine at a yield of 210 to 224 block per bag of cement The aggregate was blended from fine No 4 to 0 and coarse 3/8 inch to No 4 materials in proportions to yield the desired fineness modulus It should be noted that the strengths given in Fig 2...

HOW TO BLEND AGGREGATE USING FINENESS MODULUS VALUE

Feb 10 2015 0183 32 Fineness modulus value can be used as a technical way to blend coarse aggregate with fine aggregate to produce desired grading Follow the steps shown below to blend aggregate using fineness modulus value Step by Step Guide for Blending Aggregates Using Fineness Modulus Value Step-1 Calculate Fineness Modulus of Fine Aggregate...

Fundamentals of Concrete

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 3/8 190 1 189 3 6 The result is divided by 100 to arrive at the fineness modulus For conventional concrete the...

IS 383 1970 Specification for Coarse and Fine

Sep 25 1970 0183 32 021 The requirements for aggregates for mass concrete have been included and it is proposed to withdraw IS 515-1959 when this standard is printed 03 The limiting values for the permissible deleterious materials in the aggregates aggregate abrasion value and soundness test for aggregates 22 Coarse Aggregate...

Solved Question 26 2 Pts The Recommended Air Content For

Question 26 2 pts The recommended air content for a concrete mix is not dependent on Fineness modulus of fine aggregates O Maximum particle size of coarse aggregates Use of air entrainer None of above Question 27 2 pts The recommended water quantity for a concrete mix is not dependent on Recommended slump value Maximum particle size of coarse aggregates Shapes of coarse aggregate...

Mix designs for concrete block

gate fineness modulus proportion-ing aggregates and choosing a ce-ment-aggregate ratio The fineness modulus method The most commonly used method for designing mixes for concrete masonry is called the FM method FM stands for fineness modulus an index number roughly proportional to the average size of the particles in a given aggregate...

Partial Replacement of E

Jan 01 2016 0183 32 Fineness Modulus 20mm 768 E-Plastics aggregates The recycled e plastic was used to replace coarse aggregates for making concrete specimens the basic tests are conducted same as coarse aggregate to find the properties of e plastic waste as given in the table 4 mentioned below Table 4 Properties of e plastic aggregates Sl No...

Concrete Aggregate Properties

To establish suitability for use in Agency concrete MnDOT performs concrete aggregate property testing on fine and coarse aggregate sources in accordance with MnDOT Specifications 3126 3131 and 3137 Absorption - Sand Fineness Modulus - ASR - Aggregate Class - Use in Bridge Superstructure - Use in Paving To determine concrete aggregate...

Effect of Sand Fines and Water/Cement Ratio on Concrete

of coarse aggregate was 05 which was within the normal range from01 to 06 The fineness modulus obtained suggest that the aggregates used had an approximately average sizes of 600 181 m and 125mm for fine and coarse aggregates respectively Thus the sand used was normal sand since it lies within Zone II of geological grading...

Sieve Analysis of Coarse and Fine Aggregates

Aug 31 2020 0183 32 The information obtained from fineness modulus is helpful in the following ways Fineness modulus tells us directly whether the material is well-graded or gap-graded Fineness modulus gives us overall idea of whether a material is finer or coarser higher the FM coarser is the material and vice versa...

Properties of Aggregates

Jan 11 2021 0183 32 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 Fineness modulus is generally used to get an idea of how coarse or fine the aggregate is...

Design of Normal Concrete Mixtures Using Workability

2 The maximum size of aggregat 3 The fineness modulus of fine aggregate 4 The specific gravity and absorption of all ingredients that will be used in the mix 5 The dry loose unit weight of both fine and coarse aggregat 6 The voids ratio in dry loose aggregates which is...

Determination of Fineness Modulus of a Sample of Fine

The object of this experiment is to determine the fineness modulus and hence to plot the particle size distribution curve for the sample of fine aggregate supplied Theory The fineness modulus of a sample of aggregate is an index number which is roughly proportional to the average size of particle in the aggregate that is coarser the...

Standard Specification for Concrete Aggregates

11 This specification defines the requirements for grading and quality of fine and coarse aggregate other than lightweight or heavyweight aggregate for use in concrete 2 12 This specification is for use by a contractor concrete supplier or other purchaser as part of the purchase document describing the material to be furnished...

3121 Example calculation of fineness modulus for fine

If the base fineness modulus is different from that used in selecting proportions of the concrete suitable adjustments must be made in the proportions of fine and coarse aggregate As the fineness modulus of the fine aggregate decreases aggregate becomes finer a lower percentage of sand in the total aggre-gate will be required or the amount...

CHAPTER 2 SIEVE ANALYSIS AND FINENESS MODULUS

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 The results of testing will re ect the condition and characteristics of the aggregate...

PDF Aggregates for Concrete Ahmed Ahmed

Degradation of fine aggregate due to friction and abrasion will decrease the FM and increase the amount of materials finer than the 75 μm No 200 sieve Table 5-4 Determination of Fineness Modulus of Fine Aggregates The coarse aggregate grading requirements of ASTM C 33 permit a wide range in grading and a variety of grading sizes...