Aggregate Impact Test For Road Aggregates

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Aggregate Impact Value Test | PDF | Construction Aggregate | Road

The document describes a procedure to determine the aggregate impact value through laboratory testing. The test involves subjecting aggregate samples to 15 blows from a falling hammer, then measuring the amount of material that passes through a 2mm sieve. Two aggregate samples were tested according to this procedure and found to have impact values of 12.07% and …

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Aggregate Impact Value and Its Significance in Construction

In the construction industry, the Aggregate Impact Value test is a critical tool for assessing the quality and suitability of aggregates for road construction. It helps ensure that the materials used in building our roads possess the necessary toughness to withstand the impact of vehicular traffic, ultimately contributing to the safety and ...

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Road Aggregates: Definition and Quality | Geology

Definition of Road Aggregates 2. Qualities of Aggregates 3. Common Road Aggregates. ... Impact Test (For Aggregates): The aggregate is crushed to the size of 1-2 cms. About 5 kg of this is taken and subjected to 15 blows from a 15 kg hammer falling from a height of 40 cm. After these blows are given fines passing through BSS 7 are weighed and ...

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Pavement materials: Aggregates

The aggregate impact test is carried out to evaluate the resistance to impact of aggregates. Aggregates passing 12.5 mm sieve and retained on 10 mm sieve is filled in a cylindrical steel cup of internal dia 10.2 mm and depth 5 cm which is …

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Aggregate Impact Value Test and Procedure

Posted on 31/10/2021 31/10/2021 By Binary And Bricks No Comments on Aggregate Impact Value Test and Procedure. Objective and Significance: – Impact value of the aggregates is useful to understand the strength of the concrete against impact. If aggregates are used in road construction, then are subject to get impact due to heavy road traffic. ...

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Aggregate impact Value (Aiv) Apparatus | Testmak

The Aggregates Impact Value (AIV) Apparatus is used to determine the aggregate impact value which provides a relative measure of the resistance of an aggregate to sudden shock or impact. ... BITUMEN ANALYSIS OF BITUMINOUS MIXTURES AND ASPHALT AND ROAD QUALITY TESTING. CEMENT - MORTAR STRENGTH, ...

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IS 5640 (1970): Method of test for determining …

determine the impact value ofsuch aggregates under saturated condition. Non- Thillmethod of test for aggregate impact value may also be equally applied to brick aggregates, 0.3 In the formulation of this standard assistance has been derived from Road Research Monograph No: 5 issued by Central Road Research Institute, New Delhi.

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Determination of Aggregate Impact Value

🕑 Reading time: 1 minuteDetermination of Aggregate Impact Value - Impact Test on Aggregates is done to carry out to: Determine the impact value of the road aggregates, Assess their suitability in road construction on the basis of impact value. Contents:Aggregate Impact Value on Coarse AggregatesApparatus for Aggregate Impact TestTheory of Aggregate Impact TestProcedure of …

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DEPARTMENT OF CIVIL ENGINEERING

AGGREGATE IMPACT VALUE TEST Objective: To estimate the aggregate impact value of given sample. IS Standards used: IS: 2386(Part-4)-1963 ... movement of vehicles on the road the aggregates are subjected to impact resulting in their breaking down into smaller pieces. The aggregates should therefore have sufficient toughness to

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IMPACT VALUE OF AGGREGATE

Fig. 3: Impact Testing machine Weight of hammer is 13.5 to 14.0 kg and Height of Fall is 380±5 mm 3.Reference IS 2386(Part 4):1963 Methods of Test for Aggregates for Concrete- Mechanical Properties. Reaffirmed-Dec 2016 4.Procedure 1.The test sample shall consist of aggregate the whole of which passes a 12.5 mm IS Sieve and is retained on a 10 ...

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Aggregate impact value test experiment | PDF

If the aggregates are weak, the stability of the concrete structure is adversely affected. The strength of coarse aggregates is assessed by Aggregate Impact Value test. The aggregate impact value provides a relative measure of resistance to sudden shock or impact. APPARATUS 1. Aggregate impact testing machine 2. Cylindrical mould 3. Tamping rod 4.

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

IS 2386-4 (1963): Methods of test for aggregates for concrete, Part 4: Mechanical properties [CED 2: Cement and Concrete] Gr 7 ... Central Road Research Institute (CSIR), New Delhi C:entral Building Research Institute (CSIR), Roorkee ... Determination of Aggregate Impact Vaiue, d) Determination of Aggregate Abrasion Value, ...

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Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993

Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993. Theory and Scope. The property of a material to resist impact is known as toughness. Due to movement of vehicles on the road, the aggregates are subjected to impact resulting in their breaking down into smaller pieces. The aggregate should therefore have sufficient toughness to resist ...

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Aggregate Impact Test

Aggregates sample (10mm-12.5mm) Oven; Sieves of IS standards (based on the aggregates size) Measuring cylinder; Tamping rod; Weighing balance; Impact testing machine; Procedure: Weigh a certain amount of sample and oven dry it at a temperature of 110-115; Sieve the aggregate sample to discard those which are not residing in our standard limits.

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Determining the Physical Properties of Aggregate …

Sieve test, Impact test, Aggregate Crushing Value test, Aggregate Abrasion Value test, Specific Gravity and Water Absorption test are the tests that have been carried out to evaluate the engineering properties of the natural rock ... of coarse aggregates for road base construction from Arba Minch area of different quarry sites. 4.1.1. Grading ...

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Aggregate Impact Value Test.pptx

3. The impact test is a type of quality control test for highway pavements that is used to determine the suitability of aggregates for use in highway pavement construction. Aggregates used in road construction should be strong enough to resist abrasion, crushing, and impact load. Objective Based on the impact value, we can decide whether the coarse …

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AGGREGATE IMPACT TESTER

An Aggregate Impact Tester is a device used in civil engineering to evaluate the toughness of aggregates—materials like gravel or crushed stone used in construction—by measuring their ability to resist sudden impact or shock. This test helps determine the suitability of aggregates for use in road construction, pavements, and other infrastructure projects where durability and …

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AIV Lab Report

The Aggregate Impact Value (AIV) (M2/M1)x100 19 % 23 %. AIV = M2/M1 * . Average aggregate impact value of the sample is 21 %. DISCUSSION 1. Give the impact value of a good aggregate to ensure the strength of the. aggregate used in road construction. -Aggregate impact value is measure of toughness of aggregate.

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Test Frequency and Acceptance Criteria

Aggregate Impact Value (IS:2386 Part 4) One test per 200 cum of aggregate: In situ: Max. 30%. (ii) Grading (IS: 2720 Part 4) One test per 100 cum of aggregate: In situ: As per Table 400-11 of MOSRT&H Specs (iii) Flakiness and Elongation Index (IS:2386 Part 1) One test per 200 cum of aggregate: In situ: Max. 30% (iv)

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7 LAB TESTS ON AGGREGATE TO CHECK QUALITY FOR USE …

It is the ability of aggregates that resist sudden impact or shock load on it. Also, it can be defined as the resistance of aggregate to failure by impact load is known as the Impact Value of Aggregate. The characteristic of any material to resist sudden impact is known as toughness. When we use aggregate in roads and pavement o…See more on civiconcepts

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    • Aggregate Impact Value Test | PDF | Construction Aggregate | Road

    This document describes a test to determine the aggregate impact value (AIV) of aggregates used in road construction. The test involves sieving aggregates to obtain samples between 14-10mm in size, drying the samples, compacting them in layers in a steel cylinder, and subjecting the cylinder to 15 blows from a hammer. The aggregates passing through a 2.36mm sieve are weighed to …

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    The impact value for the aggregates used in concrete for …

    Aggregate impact value test gives an indication of aggregate's toughness property (i.e. property of a material to resist impact).. Aggregates to be used for wearing course, the impact value shouldn't exceed 30 per cent.. For bituminous macadam, the maximum permissible value is 35 per cent. For Water bound macadam base courses the maximum permissible value defined …

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