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. In this article, we will discuss the complete procedure of conducting an AIV test, from the introduction to ...
Learn how to conduct the aggregate impact value test to measure the resistance of coarse aggregate to sudden shock or impact. Find out the Indi…
Learn how to perform aggregate impact value test to measure the compressive strength of aggregate under impact force. Find out the apparatus, steps, formula, report and recommended values for different …
The impact value test apparatus has special tools for precise measurements. It includes: A metal cup for the aggregate sample. A 13.5 kg hammer made just for this test. A 1 meter drop height to mimic the shock on aggregates.
2. This test is done to determine the aggregate impact value of coarse aggregates AIV is basically a % ratio of 2.36mm sieved aggregate to 14mm aggregate sieve. The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine Sieves of sizes – 14mm, 10mm and 2.36mm,a cylindrical …
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. Apparatus Required: Impact Testing …
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. Significance of Aggregate Impact Value. The Aggregate Impact Value is used to classify aggregates based on their suitability for ...
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 …
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.
Concept: Aggregate impact value test gives an indication of the 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 percent.. For bituminous macadam, the maximum permissible value is 35 percent. For Water bound macadam base courses the …
The apparatus shall consist of the following: Impact testing machine of the general form shown in Fig.; Sieves-The IS Sieves of sizes 12.5, 10 and 2.36 mm.; Measure - A cylindrical metal measure, tared to the nearest gram, of sufficient rigidity to retain its form under rough usage, and of the following internal dimensions : Diameter 75 mm Diameter 50 mm
The impact value test has been conducted on aggregate to determine its bearing capacity against sudden impact. Here we are going to discuss the crushing value of aggregates. Contents of the Article show
1.1 These test methods cover the determination of the Impact Value (IV) of a soil either in the field or a test mold, as follows: 1.1.1 Field Procedure A— …
The document describes an experiment to determine the aggregate impact value of a given specimen through a standardized test procedure. Three samples were tested by subjecting aggregates retained between 10mm and 12.5mm sieves to 15 blows from a falling hammer.
Impact testing machine aggregate cushing value; Bulk density apparatus 3,15,30 ltr; Aggregate impact value test apparatus; Spring operated impact test apparatus, model name/number: yi... Aggregate impact …
3. 3 OBJECTIVES To assess their suitability inroad construction on the basis of impact value. This test is done to determine the aggregate impact value of coarse aggregates. Many tests have been developed toempirically characterize aggregate properties without, necessarily, strong relationships to the performance of final products …
Aggregate Impact Value Testing machine. The test equipment and the test procedure are quite simple and it determines the resistance to impact of stone aggregates simulating field condition. This test can be performed even at construction site or at stone quary, as the apparatus is simple and portable. ...
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 …
Aggregate impact test. IS : 2386 (Part 4)-1963. Durability. Soundness test- accelerated durability test. IS : 2386 (Part 5)-1963. Shape factors. Shape test. ... Aggregate impact value is then the percentage of fine passing through 2.36 mm sieve to total aggregate weight.
test shall be expressed as percentage of the oven dried, the result being recorded to the first decimal place: C Aggregate impact value = A X ]00 where C 11IOII weight of the fines formed, and A = weight of the oven-driedsample. 6. REPORTING OF RESULTS 6.1 The mean of the two results shall be reported as aggregate impact value (wet)ofthe tested ...
Learn how to measure the resistance of aggregates to sudden impact or shock using a testing machine, a hammer, and a sieve. Find out the classification, interpretation, and application of aggregate impact …
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.
The aggregate impact test is used to evaluate the toughness of aggregates, the toughness of aggregate means the resistance to fracture from impact load or sudden dynamic load. ... (Aggregate, impact, value={W_2over W_1}times 100) Where W 1 = Original weight of the oven-dry sample. W 2 = Weight of the material …
AGGREGATE IMPACT VALUE AIM :- To determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) - 1963. APPARATUS :- 1) Impact testing machine conforming to IS: 2386 (Part IV)- 1963 2) IS Sieves of sizes - 12.5mm, 10mm and 2.36mm 3) A cylindrical metal measure of 75mm dia. and 50mm depth 4) A …
The Aggregate Impact Value Testing Apparatus, meets with BS 812, it is robustly designed to determine the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an …
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. ... MORTAR STRENGTH, PHYSICAL AND CHEMICAL PROPERTY OF CEMENT AND BUILDING LIME, GROUT AND MUD TESTS OF CEMENT. CONCRETE …
The impact test should be carried out by allowing the hammer to fall onto the aggregate sample in the cylindrical measure. The machine should be operated at a …
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 …
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.
The document describes an experiment to determine the aggregate impact value of a given specimen through a standardized test procedure. Three samples were tested by subjecting aggregates …
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 …
