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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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impact value [CED 2: Cement and Concrete] IS I9377 - 1979 Indian Standard SPECIFICATION FOR APPARATUS FOR AGGREGATE IMPACT VALUE ( Second Reprint MARCH 10% ) UDC 620.178.153.2.05:666.972.12 0 ... standards on methods of testing cement and concrete. It has been
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Significance of Aggregate Impact Value. The Aggregate Impact Value is used to classify aggregates based on their suitability for different types of road …
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Explanation: Crushing test: This test is carried out to assess the strength of coarse aggregate when a compressive load is gradually applied. The test is carried out as follows: 1. The sample is broken into chips passing a 12.5 mm I.S. sieve and retained on a 10 mm I.S. sieve. 2. The material is heated to a temperature of 100°C to 110°C and it is …
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5. DISCUSSION 1.Describe about the application of Aggregate Impact values & state the values used in construction industry. Application of Aggregate Impact values The aggregate impact value is a determining measure of resistance to sudden impact or shock, which may differ from its resistance to gradually applied compressive …
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This article will give the complete details on aggregate crushing test. Aggregate Impact Value Test. Aggregate impact value test is a method to measure the resistance of coarse aggregates to sudden impact loading. It is commonly used in civil engineering projects to assess the quality and strength of aggregates for pavement and …
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The general test procedure of the aggregate impact value test is briefly described below: Objectives of Impact Test. 1. To assess the suitability of the aggregate to be used in the highway pavement. 2. To determine the aggregate impact value. Apparatus Required. 1. An impact testing machine weighing between 45kgs to 60 kgs with a …
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Procedure of Aggregate Impact value test. The test sample: normally aggregates sized 10.0 mm to 12.5 mm. the aggregates should be dried by heating at 100-110 0C for a period of 4 hours and cooled. Sieve …
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Test method. The procedure for conducting an Aggregate Impact Test (AIV) is as follows: ... Here are the recommended Aggregate Impact Test values and their corresponding classifications: Aggregate Impact Value Classification. Less than 20%: Exceptionally strong. Between 10% and 20%: Strong.
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Aggregate Impact Value. The test sample shall consist of aggregates the whole of which passes through ½ in B.S. test sieve and is retained on a 3/8 in B.S. test sieve. The aggregate comprising the test sample shall be dried in an oven for a period of four hours at a temperature of 100-110 °C and cooled.The measuring cup shall be filled about ...
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Now, take a bowl and measure its weight (X). Put the passed dust of aggregate through 2.36 sieve into a bowl. Take the weight of the bowl …
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The need for impact value test is used to measure the toughness of aggregates which is nothing but the ability of aggregates to resist sudden loading or impact loading. ... Aggregate Crushing value test IS Code is 2386-4 (1963): Methods of Test for Aggregates for Concrete. Aggregate Crushing Value Apparatus.
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The 10% fines value is a metric that gauges the ability of aggregates to withstand crushing under loading, and it is applicable to both weak and strong aggregates. Fine aggregates are those that pass through a 2.36mm sieve. This test seeks to determine the amount of force required to produce 10% of
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Aggregate Impact Test Procedure as Per IS 2386 Part-4: Equipment For Aggregates Impact Test: Aggregate Impact Testing machine: An Impact testing machine for aggregate comprising the following. The aggregate impact test apparatus should be supported over a level and plane concrete floor or stone block.
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Impact Test Fig-3 Impact Test Setup. 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 attached to a metal base of impact testing machine.
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So that aggregate impact value test is used to determine the relative measure of the resistance of aggregate to sudden shock or impact, ... 2386 (Part 4) -1963, Methods of test for aggregate for concrete; IS: 383: 1970, Specification of coarse aggregate and fine aggregate from natural source for concrete;
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The equipment used for conducting the aggregate impact value test comprises of: The testing machine, which weighs between 45 and 60 kg, is equipped with a metal base featuring a flat lower surface measuring at least 30 cm in diameter. It is supported by a level and smooth concrete floor with a minimum thickness of 45 cm. …
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BS 812-101, Guide to sampling and testing aggregates. BS 812-102, Methods of sampling. BS 812-111, Methods for determination of the ten percent fines value (TFV). BS 812-112, Methods for determination of the aggregate impact value (AIV). BS 1610, Materials testing machines and force verification equipment.
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The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some aggregates differs from its resistance to a slow compressive load. ... IS 2386(Part 4):1963 (Reaffirmed 2021) Methods of Test for Aggregates for Concrete- Mechanical Properties. 4. procedure. The test sample shall ...
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This study involved the extensive load frame and point load testing of coal measure rocks in six states. More than 10,000 individual test results, from 908 distinct rock units, were used in the study.
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Aggregate Impact Value Test : Weight of stone passing 12.5mm but retained on 10mm sieve: ... के तरीके को बताया गया है| इस कोड में बताये गए method से Aggregate Impact Value के साथ Aggregate Crushing Value, Aggregate Abrasion Value, 10 percent fines value आदि ...
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A relative measure of the resistance of aggregate due to the sudden shock or impact on it is called aggregate impact value. Based on the impact value, we can decide whether the coarse aggregate is suitable for construction or not. This test is performed to ensure the aggregate toughness, …
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Objectives of Impact Value Test. This method of test is used to measure the impact value of aggregate use in the construction of Highway pavement and concrete structures. Reference:-Aggregate …
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The method of aggregate test specifies the procedure for determining the aggregate impact value of coarse aggregate. Aggregate impact value is used to classify the …
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The method of aggregate test specifies the procedure for determining the aggregate impact value of coarse aggregate. Aggregate impact value is used to classify the stones in respect of their toughness property as indicated below: <10% Exceptionally strong. 10-20% Strong. 20-30% Satisfactory for road surfacing. 35% Weak for road surfacing
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If the total weight (B+C) is less than the initial weight (A), the result shall be discarded and a fresh test made. Aggregate Impact Value (AIV) = B/A x 100. Where B = weight of aggregate passing through 2.36 mm sieve. ... The concrete slump test is a method to determine the workability and consistency of concrete. It is an empirical test …
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AIM OF THE EXPERIMENT: To determine the Flakiness Index of the given sample of course aggregate. CODE OF REFERENCE: • IS 2386(Part 1):1963 Methods of Test for Aggregates of Concrete- Particle Size and …
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The Aggregate Impact Value (AIV) test, outlined in IS 2386 Part IV, evaluates the impact resistance of aggregates. This is performed with an impact …
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Impact test method and Cr ushing test to assess the toughness . ... [19] Water The aggregate impact value test determines the aggregate's resistance to sudden loading [24], ...
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