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The test sample retained and passing on 2.36mm test sieve shall then be weighed. Calculate the weight of test sample passing 2.36mm sieve with the weight of whole test sample filled in the cup and report test results. Datasheet for aggregate impact value
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Procedure of Impact Test. The procedure of the impact value test includes the following series of steps: 1. The aggregate samples of size 10mm to 12.5mm (passing through 12.5mm sieve and retained on 10mm sieve) are first …
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This test is done to determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) – 1963. The apparatus used for determining aggregate impact value of coarse aggregates is.
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The Aggregate impact value indicates a relative measure of resistance of aggregate to impact load which has different effect than the resistance to gradually increasing compressive stress. A test designed to …
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1 INTRODUCTION. Impact value of an aggregate is the percentage loss pf weight of particles passing 2 sieve by the application on load by mean of 15 blows of standard hammer and drop under specified test condition. The aggregate impact value gives a relation measure of the resistance of an aggregate to sudden shock or impact, which in some ...
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AGGREGATE IMPACT VALUE This test is done to determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) – 1963. The apparatus used for determining aggregate impact value of coarse …
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Read More: Aggregate Testing | 7 Test On Aggregates | Coarse Aggregate Test. Aggregate Crushing Value Test Result. For accurate test results conduct the test at least 3 times and take an average of 3 values. Aggregate Crushing Value Test Lab Report. Aggregate Crushing Value Limits for Road Pavement
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The aggregate impact value is a measure of resistance to sudden impact or shock, which may differ from its resistance to gradually applied compressive load. The test sample consists of …
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Experiment No. 4: Determination of the aggregate impact value of different coarse aggregate samples. (BS 812) Scope & significance: Aggregate Impact Value The aggregate impact value gives a relative measure of the toughness or the resistance of aggregate sudden shock or impact is not proportional to the resistance to a slowly applied compressive load.
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The Aggregate Impact Value (AIV) test is a procedure conducted to determine the resistance of an aggregate to sudden impact or shock. This test is crucial in determining the quality and durability of aggregates for use in construction.
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Why do we use aggregate impact value test? The aggregate impact value test is done to test the compressive strength of aggregate when sudden and immediate impact force acted on it. It is expressed in percentage (%). It should be less …
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Aggregate Impact Value Test Calculator. a) Weight of empty Cylindrical steel cup (W1) Gram b) Weight of Cylindrical steel cup + Aggregate (W2) Gram c) Weight of ggregate passing through 2.36 mm Sieve (W3) Gram Results: Actual Weight of Aggregate. Impact Value of aggregate. Status. Print this page.
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What is the aggregate impact value test? 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 …
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Introduction on aggregate impact testing machine ppt - Download as a PDF or view online for free ... Calculation • Aggregate impact value = W₂/W₁ x 100 percent W₁ g → The original weight of the oven dry sample. W₂ g → The weight of fraction passing 2.36 mm IS sieve This is recorded correct to the first decimal place. 8.
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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. Between 20% and 30%: Satisfactory for road surfacing. More than 35%: Weak for road surfacing.
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1.0 AGGREGATE IMPACT VALUE TEST 1.0 INTRODUCTION Aggregates used in road construction, should be strong enough to resist crushing under traffic wheel loads if the aggregates are weak, the stability of the pavement structure …
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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 pav…
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INTRODUCTION. Aggregates undergo significant wear and tear throughout their life. Aggregates must be hard and tough enough to resist crushing, degradation and disintegration and be able to transmit loads from the pavement surface to the underlying layers and eventually the subgrade. ... The Aggregate Impact Value Test is one such test. The ...
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The observations in the Impact Test are recorded, including the total weight of the dry sample (W1 gm), weight of portion passing the 2.36 mm sieve (W2 gm), and the calculated Aggregate Impact Value in percent.
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The apparatus of the aggregate impact value test consists of: A testing machine weighing 45 to 60 kg and having a metal base with a plane lower surface of not less than 30 cm in diameter. The level and plane concrete floor …
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The Aggregate impact test is used to determine the aggregate impact value (AIV), which provides a relative measure of the resistance of a coarse aggregate to sudden shock or impact.
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