Size & Grading Requirements for Coarse Aggregates

* Gradation Numbers 5 and 57 are yard ballast materials. 2. Old Pa # = The old Pennsylvania Department of Transportation reference to aggregate sizing. 3. DelDOT = Delaware Department of Transportation specifications, Section 813 - Grading Requirements and Section 821 -Graded Aggregates.

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Standard Specification for Concrete Aggregates

1.1 This specification defines the requirements for grading and quality of fine and coarse aggregate (other than lightweight or heavyweight aggregate) for use in concrete. 1.2 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.

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Fineness Modulus of Coarse Aggregates and its Calculation …

Therefore, fineness modulus of coarse aggregates = sum (cumulative % retained) / 100 = (717/100) = 7.17 Fineness modulus of 7.17 means, the average size of particle of given coarse aggregate sample is in between 7 th and 8 th sieves, that is between 10mm to 20mm. Limits of Fineness Modulus Fineness modulus of coarse aggregate varies from …

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Gradation of Aggregates Using Standard Codes and Particle …

The paper compares the aggregate gradation of coarse and fine aggregate according to standard codes (IS, ASTM, EN) with particle packing methods (MTM, JDD, …

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Classification of Aggregates as per Size and …

The purpose of the fine aggregate is to fill the voids in the coarse aggregate and to act as a workability agent. Fine aggregate: Size variation: Coarse Sand. 2.0mm – 0.5mm. Medium sand. 0.5mm – …

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FDOT: Construction Aggregates Manual

The minimum number of tests per aggregate code, grade, or stone size from a single process required to establish qua lity and control of aggregates are given in Table 2 ... A. COARSE AGGREGATE (1) Gradation (a) Set Sieve Limits Minimum sampling and testing frequenc ies for gradation will be set in accordance with Appendices 1 through …

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PRODUCT MANUAL FOR COARSE AND FINE …

This document provides guidelines for testing coarse and fine aggregate for concrete according to IS 383:2016, a standard published by Bureau of Indian Standards (BIS). It …

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IS 383 (1970): Specification for Coarse and Fine Aggregates From

Learn how to determine the gradation of coarse aggregate by sieve analysis according to IS 383-1970. Find out the nominal sizes, weight requirements and percentage of aggregate passing through different sieve sizes.

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Aggregate

Various tests, including quality, freeze-thaw, and alkali-silica reactivity (ASR) are performed on aggregates used for road and bridge construction in Illinois. These tests quantify the physical characteristics of each aggregate product from each source

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SIEVE ANALYSIS OF FINE AND COARSE AGGREGATES

Sieve analysis determines the gradation or distribution of aggregate particle sizes within a given sample. Accurate determination of material smaller than 75 µm (No. 200) cannot be made with ... In the case of coarse / fine aggregate mixtures, the minus 4.75 mm (No. 4) may be distributed among two or more sets of sieves to prevent overloading ...

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Fineness Modulus of Sand IS Code: A Comprehensive Guide

The Indian Standard (Fineness Modulus of Sand IS Code) code for fineness modulus of sand, IS 383-1970, outlines the requirements for coarse and fine aggregates in concrete construction, encompassing those with a fine texture. With a clear understanding of fineness modulus, construction professionals can make informed decisions when …

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Gradation of Aggregates Using Standard Codes and …

the optimum proportions of aggregate can be tailor made to increase the packing density of aggregate in concrete, thereby, reducing the void ratio. In the present paper, the aggregate gradations of coarse and fine aggregate as stipulated in Indian Stan-dard code (IS 383:2016), American Society for Testing and Materials (ASTM C33/ C33M-18) and ...

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02

Aggregate gradation curves: (a) maximum density gradations for 37.5 and 4.75 mm sizes based on the Fuller relationship; (b) a uniform aggregate; (c) a gap-graded aggregate; (d) screenings. CIVL 3137 25 FHWA Maximum Density Curve In 1962 FHWA published a modified version of

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COARSE AGGREGATE

COARSE AGGREGATE . 901-1 General. 901-1.1 Composition: Coarse aggregate shall consist of naturally occurring materials such as gravel, or resulting from the crushing of parent rock, to include natural rock, slags, ... 901-1.4 Gradation: Coarse aggregates shall conform to the gradation requirements of Table 1, when the stone size is specified ...

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Sieve Analysis and Gradation of Coarse and Fine Aggregates …

Aggregate is commonly considered as the most important inert filler in concrete mixes, which forms 60 to 75 percent of the volume. In Bangladesh, brick aggregates are easily available and much ...

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A Review of Concrete Aggregate Gradations

Limit the flat or elongated coarse aggregate to 15% or less at a ratio of 1:3 according to ASTM 4791. Packing Research A Guide to Determining the Optimal Gradation of Concrete Aggregates -SHRP-C-334 The proportioning of fine and coarse aggregates in the concrete mix has an important effect on the properties of both fresh and hardened …

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Sieve analysis of combined grading of coarse aggregate (Tested …

This paper deals with M25 Concrete mix in which replacing Natural Sand by the Manufacturing Sand of 35% and 65% at Cement by Metakaolin of 0, 5, 10, 15 and 20 percentages is compared with concrete ...

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A rational approach to develop gradation of sustainable …

By juxtaposing the particle packing theories on the aggregate size fractions in various codes (for natural aggregates), it is possible to enhance packing density, reduce void ratio of recycled aggregates and the maximum cement paste thickness. ... Coarse aggregate gradation as per EN 12620:2014. Table 6 shows the proportions of different ...

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Sieve Analysis of Aggregates

Sieve analysis helps to determine the particle size distribution of the coarse and fine aggregates.This is done by sieving the aggregates as per IS: 2386 (Part I) – 1963. In this we use different sieves as standardized by the IS code and then pass aggregates through them and thus collect different sized particles left over different sieves.

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IS 383: Coarse and Fine Aggregate for Concrete

(For more information: 12 Tables of Code) Name of Standards Organization: Bureau of Indian Standards (BIS) Division Name: Civil Engineering Division (CED) Section Name: Cement and Concrete …

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Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates

5.1 This test method is used primarily to determine the grading of materials proposed for use as aggregates or being used as aggregates. The results are used to determine compliance of the particle size distribution with applicable specification requirements and to provide necessary data for control of the production of various …

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IS 2386-1 (1963): Methods of Test for Aggregates for …

This document is a reprint of the Indian Standard IS 2386-1 (1963) for methods of test for aggregates for concrete, part I: particle size and shape. It contains the scope, test …

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IS 2386-4 (1963): Methods of test for aggregates for …

IS : 2386 (Part IV) '- 1963 2.2 Apparatus - The apparatus for the standard test shall consist of following : a) A 15-cm diameter open-ended steel cylinder, with plunger and base-plate, of the general form and dimensions shown in Fig. 1.

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The Effects of Aggregate Properties on Concrete Mix Design …

2.1 Physical Properties of Coarse Aggregates 2.1.1 Gradation. Particle size distribution of aggregates significantly affect the packing density and void content in concrete. According to Neville [], the gradation of aggregate has the main role in establishing the workability of mixtures.Gradation can influence workability, …

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All About Coarse Aggregate: Types & Properties

Coarse aggregate plays a vital role in concrete construction. Explore its properties, types, and applications. ... Aggregate Code; Bricks Standard Codes; E-Books; Civil Engineering Projects; ... Complete gradation of coarse aggregates is one of the most important factors in producing a workable concrete mix.

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PRODUCT MANUAL FOR COARSE AND FINE …

i) Fine aggregate : Grading zone - Zone I / Zone II/ Zone III/ Zone IV ii) Coarse aggregate : Single Size – 10 mm, 12.5 mm, 16 mm, 20 mm, 40 mm & 63 mm Graded aggregate – 12.5 mm, 16 mm, 20 mm & 40 mm For Mass Concrete – Small / Medium / Large/ Very large Coarse aggregates are further grouped into following groups based on size:

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Grading of Aggregates: Their Significance, Types and Analysis

4.1. Coarse-Grained Aggregates. The use of single-sized aggregates in concrete results in more voids, but it provides excellent resistance against sudden impact. On the other hand, graded aggregates contain different particle sizes of coarse aggregate, reducing the voids in concrete and enhancing the bond between the …

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Sieve Analysis of Coarse Aggregate Test – Construction Civil

  1. The sieve analysis of coarse aggregate test indicates the size distribution of coarse aggregate particles in a given coarse aggregate sample.
  2. The fineness modulus is the indication of the mean size of the particles. The fineness modulus is used to grade the given aggregate.
  3. We can calculate relationships between different aggregate or aggregate mixes from the gra…
  1. The sieve analysis of coarse aggregate test indicates the size distribution of coarse aggregate particles in a given coarse aggregate sample.
  2. The fineness modulus is the indication of the mean size of the particles. The fineness modulus is used to grade the given aggregate.
  3. We can calculate relationships between different aggregate or aggregate mixes from the gradation data to check suitability with such blends and to anticipate trends during production by plotting gr...
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IS 2386-1 (1963): Methods of Test for Aggregates for …

2.4 Test Prodedure for Coarse and Fine Aggregate 2.4.1 The sample shall be brought to an air-dry condition before weighing and sieving. This may be achieved either by drying at room temperature or by heating at a temperature of 100" to 110°C. The air-dr) sample shall be weighed and sieved successively on the appropri;tte ...

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Coarse aggregate grading -ASTM C33-03 | Download …

Download Table | Coarse aggregate grading -ASTM C33-03 from publication: Investigating the Effect of Sulfate Attack on Compressive Strength of Recycled Aggregate Concrete | Abstract— This ...

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Grading of Aggregate | Ultimate Guide

Fig. 7: Fine Aggregates Grading Requirement as per ASTM Standard C33/C33M-18. The 'American Standard for Testing and Materials' (commonly known as ASTM) provides guidelines for gradation of aggregates so that the concrete mix made following the standard recommendations does not fall short of adequate workability, …

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SIEVE ANALYSIS OF FINE AND COARSE AGGREGATES

Learn how to perform sieve analysis of fine and coarse aggregates in accordance with AASHTO T 27 and T 11 standards. Find out the requirements, procedures, and tables …

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Sieve Analysis of Aggregates

Learn how to determine the particle size distribution of coarse and fine aggregates using IS sieves and a balance. Find the formula for fineness modulus and the graphical representation of sieve analysis results.

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Gradation Of Aggregates | Types of Aggregate …

Gradation of Aggregates Definition. The particle size distribution of an aggregate as determined by sieve analysis is termed as gradation of aggregates. If all the particles of an aggregate are of uniform size, the …

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A DEM-based framework to optimize the gradation of concrete aggregate

The random polyhedral aggregate model was generated and then imported particle flow code, the discrete element method (DEM), to establish a multi-phase model considering mortar, aggregate, and interfacial transition zone (ITZ). ... Long G, Xie Y, Zeng X, Pan Z (2022) Research on the shape feature and gradation of coarse aggregate …

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Gradation and Size

The term generally applies to dense graded aggregate. Coarse Gradation. A gradation that, when plotted on the 0.45 power gradation graph, falls mostly below the 0.45 power maximum density line. The term generally applies to dense graded aggregate. Figure 2: FHWA gradation graph showing representative gradations. Permeability

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Coarse Aggregate Gradation: What Works Best?

As an example, let's say you have a coarse aggregate gradation sample with a 50mm (2in) top size, and you want to run it on 8in diameter sieves because that's what is available at the moment. The total mass of the sample would be a minimum of 20kg (44lb). The permissible loading for just the top sieve is 3.6kg or about 13.5% of the total ...

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