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IS 2386-3 (1963): Methods of test for aggregates for …

Is:2386(PartIll)-1963 2.2 Method I - Aggregate Larger than 10 mm 2.2.1 4 b! 4 4 4 f > g> Apparatus - The apparatus shall consist of the following: Balance -A balance or scale of capacity not less than 3 kg, readable and accurate to O-5 g and of such a type and shape as

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Flakiness Index and Elongation Index Test on …

Coarse aggregates undergo shape tests to determine their elongation and flakiness index. These tests are crucial as they assess the angularity, texture, and shape of the aggregates, which are important factors in …

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FLAKINESS AND ELONGATION INDEX OF AGGREGATE

Particle shape and surface texture influence the properties of freshly mixed concrete more than the properties of hardened concrete. Rough-textured, angular, and elongated particles require …

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Flakiness Index Test for Aggregates

Flakiness Index of aggregate is the percentage by weight of aggregate particles whose least dimension is less than 0.6 of their mean dimensions. This test is applicable to aggregates having size larger than 6.3mm.

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Tests for geometrical properties of aggregates

Part 2: Determination of particle size distribution — Test sieves, nominal size of apertures; Part 3: Determination of particle shape — Flakiness index; Part 4: Determination of particle shape — Shape index; Part 5: Determination of percentage of crushed and broken surfaces in coarse aggregate particles;

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Properties and Testing

It is important to note that the properties of aggregates depend on the intrinsic or inherent features of the material (i.e., mineralogy, density, texture, alteration, porosity, and chemical composition) as well as their extrinsic characteristics such as particle size fraction, shape, and fracture faces.

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of aggregates Tests for geometrical properties

EN 1744, Tests for chemical properties of aggregates EN 13179, Tests for filler aggregate used in bituminous mixtures The other parts of EN 933 are: Part 1: Determination of particle size distribution — Sieving method Part 2: Determination of particle size distribution — Test sieves, nominal size of apertures Part 3: Determination of ...

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FLAKINESS AND ELONGATION INDEX OF AGGREGATE

IS 2386(Part 1):1963 Methods of Test for Aggregates of Concrete- Particle Size and Shape. Reaffirmed-Dec 2016 4. Procedure 1. A quantity of aggregate shall be taken sufficient to provide the minimum number of 200 pieces of any fraction to be tested. 2. The sample shall be sieved with the sieves specified in Table 1: Size of Aggregate

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determination of flakiness index test. | PDF

determination of flakiness index test. - Download as a PDF or view online for free. Submit Search. determination of flakiness index test. ... When the shape of aggregates deviates more from the spherical shape, as in the case of angular, flaky and elongation aggregate the void content increase and hence the grain size distribution of the ...

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BS EN 933-4:2008

This standard describes the reference method used for type testing in cases of dispute, for the determination of the shape index of coarse aggregates. For other purposes, in particular factory production control, other methods may be used provided an appropriate working relationship with the reference method has been established.

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Flakiness Index and Elongation Index Test on Coarse Aggregates

Procedure of Shape Tests on Coarse Aggregates. The task at hand involves sieving a sample through IS sieves as specified in the table. It is required to take a minimum of 200 pieces of each fraction to be tested and measure their weight. To gauge flaky materials, the thickness of each fraction needs to be measured using a thickness gauge.

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Shape tests on Coarse Aggregates- Flakiness index test …

Must read : Los Angeles abrasion test on aggregates Shape test on Coarse Aggregates- Elongation index test. The presence of elongated particles in the aggregate is undesirable for construction. Also, this shape test is made in coarse aggregate. The elongation shape test is not applicable for aggregates with a smaller size than 6.3 mm. Relevant ...

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Tests for geometrical properties of aggregates Part 3: …

Part 3: Determination of particle shape – Flakiness Index . Principal Apparatus as follows: Riffle Boxes, 63mm, 50mm, 40mm, 14mm gaps should be at hand and available for use depending on the ... 2.1 The aggregate used in this test will have been obtained from a bulk sample that was initially taken and prepared in the manner described in .

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Aggregate. In the British Standard List this BS is …

Was BS 812: Part 105.2: 1990 Method of Determination of particle shape – Elongation Index of Coarse Aggregate. In the British Standard List this BS is described as (current, obsolescent) and, therefore, may ... 2 Standard Test Method . 2.1 The aggregate used in this test will have been obtained from a bulk sample that was taken and prepared in

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Aggregate Shape Test | PDF | Civil Engineering | Nature

This document provides a full laboratory report on a shape test conducted on aggregates. The test aimed to determine the flatness and elongation indices of the aggregates. The introduction discusses how irregular shaped particles can impact workability and stability. The objective and apparatus sections outline the goals and equipment used to measure the flatness index …

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Experiment #07 & 08 Determination of Flakiness Index …

Determination of Flakiness Index and Elongation Index (Shape test of Coarse Aggregate) Shape tests on coarse aggregates such as flakiness index and elongation Index, its importance in concrete construction, methods of determination is discussed. Shape Tests on Coarse Aggregates: Following tests are conducted on coarse aggregates under shape tests:

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7.3. Shape Tests for Aggregates 7.3.1 Flakiness index

The scope of this test is to provide test methods for determining the flakiness index of coarse aggregate. An aggregate is classified as being flaky if it has a thickness (smallest dimension) of …

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EN 933-3:2012

EN 933-3:2012 - This European Standard describes the reference method, used for type testing and in case of dispute, for determination of the flakiness index of aggregates. For other purposes, in particular production control, other methods may be used, provided that an appropriate working relationship with the reference method has been established. This European Standard applies …

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Tests for geometrical properties of aggregates

properties of aggregates. EN 1367, Tests for thermal and weathering properties of aggregates. EN 1744, Tests for chemical properties of aggregates. A European Standard Tests for filter aggregate used in bituminous mixtures is in preparation. The other parts of EN 933 will be: Part 1, Determination of particle size distribution — Sieving method.

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TESTING AGGREGATES. PART 105. METHODS FOR DETERMINATION …

METHODS FOR DETERMINATION OF PARTICLE SHAPE. SECTION 105.1: FLAKINESS INDEX ... Aggregate particles are classified as flaky when they have a thickness of less than 0.6 of their mean sieve size. The flakiness index of an aggregate sample is found by separating the flaky particles and expressing their mass as a percentage of the sample tested ...

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Shape Tests on Coarse Aggregates in Concrete Construction

Concrete, as a fundamental building material, relies heavily on the properties of its components.Among these, the characteristics of coarse aggregates play a pivotal role in determining the overall strength, durability, and performance of concrete structures.One crucial aspect that demands attention is the shape of these aggregates. In this comprehensive …

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Image analysis method for determining 3-D shape of coarse aggregate

A 3-D method for particle shape determination of coarse aggregates using image analysis, IA, is presented. It is based on the measures the axial length of all three axis of every particle in a coarse aggregate sample. ... For coarse aggregates this new IA 3-D method can singularly replace both sieving tests for size distribution and shape tests ...

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Tests for geometrical properties of aggregates Part 3: …

Tests for general properties of aggregates Part 1: Methods for sampling. BS EN 932-2:1997. Tests for general properties of aggregates Part 2: Methods for reducing laboratory Samples. 3. …

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Exp 1 Flakiness and Elongation Index

Determination of the flakiness and the elongation index for the given aggregate. sample. SCOPE & SIGNIFICANCE: This test is used to determine the particle shape of the aggregate and each particle shape being preferred under specific …

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Testing aggregates

subjecting the aggregate to cycles of immersion in a saturated solution of magnesium sulphate followed by oven-drying. The method is applicable to aggregate passing a 14.0mm test sieve but is retained on a 10.0mm test sieve. NOTE 1The majority of aggregates can be tested for soundness using this method. Precision has been established for the rock

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Flakiness and Elongation Index Test of Coarse …

Discover the significance of these test results in determining the quality and suitability of coarse aggregate for construction purposes. Gain valuable insights into the importance of particle shape and size characteristics for optimal …

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Lect 14-testing procedures for road aggregates | PPT

9. 8/16/2019 Aggregate Testing 9 Procedure Bring the sample to an air dry condition either by drying at room temperature or in oven at a temperature of 100oC to 110oC.Take the weight of the sample. Clean all the sieves and sieve the sample successively on the appropriate sieves starting with the largest. Shake each sieve separately over a clean tray. On completion of sieving note …

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Angularity Number Test for Coarse Aggregate, …

Angularity Number Test for Coarse Aggregate, Shape Test for Aggregate. By - Admin. March 29, 2020 Update: May 18, 2024. 1. What is Angularity Number Test of Coarse Aggregate? Angularity number test gives us …

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Flakiness and Elongation Index Test of Coarse Aggregate

Explore the Flakiness and Elongation Index test conducted on coarse aggregate to assess its particle shape and size distribution. Dive into the details of the Flakiness Index and Elongation Index, key parameters measured in this test. ... This test gives the percentage of flaky and elongate aggregate present in the total aggregate sample ...

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Aggregates for Concrete

information obtained from tests used to measure the aggregate's quality or, more importantly, its service record, or both. More performance tests are also used to test aggregates in concrete. A typical consensus specification for fine and coarse aggregate for concrete is ASTM C 33. Synthetic aggregates may be either byproducts of an industrial