AGGREGATE IMPACT TEST
🕑 Reading time: 1 minuteAIM To study the toughness property of the aggregates for concrete construction. EQUIPMENT Impact testing machine: DESCRIPTION OF MACHINE The Pendulum impact Testing Machine consists of the robust frame, the specimen support and measuring dial. The pendulum shaft is fitted in anti friction bearings. The pendulum is …
Aggregate Impact Value
The apparatus used for determining aggregate impact value of coarse aggregates is. Impact testing machine conforming to IS: 2386 (Part IV)- 1963,IS Sieves of sizes – 12.5mm, 10mm and 2.36mm, A cylindrical metal measure of 75mm dia. and 50mm depth, A tamping rod of 10mm circular cross section and 230mm length, rounded at one …
Aggregate Impact Value Testing Machine
The aggregate impact value of coarse aggregate provides a relative measure of the resistance of an aggregate to sudden shock or impact. The oven dried and accurately weighed aggregates are subjected to a total of 15 blows of specified weight and fall and percentage of fines formed in terms of the total weight of the sample is expressed as the …
Aggregate Impact Test | Construction How
The aggregate impact determining machine is than set up and aligned exactly vertical along the sample. ... Aggregate impact value: Classification <20%: Excellent: 10-20%: Good: 20-30%: Fair for surfacing >35%: Weak for surfacing: The comments can be made on the basis of the results obtained.
Impact value apparatus | Matest
The complete assembly is cadmium plated for corrosion protection. Dimensions: 445x300x880 mm. Weight: 60 kg approx. THE APPARATUS IS AVAILABLE IN TWO VERSIONS: one meeting BS 812 Standard. one …
Effects of aggregate sizes on the performance of laterized
The test involves subjecting a sample of aggregates to impact using a specialized testing machine in accordance with (BS 812-112). ... Calculate the Aggregate Impact Value using the formula in Eq ...
Schematic image and apparatus of the impact value test.
Figure 1 shows the schematic image and apparatus of the impact value test. Aggregate crushing value is a percentage of the weight of the crushed aggregate obtained from the test where the specific ...
ELE International
Aggregate Impact Value (AIV) The apparatus has been designed in a particularly heavy duty form, with specially hardened steel surfaces for minimum wear. The assembly is heavily plated to ensure corrosion …
A080-01KIT Aggregate impact value apparatus
AGGREGATE IMPACT VALUE APPARATUS. NF P18-574. Consisting of: A080-04 TEST FRAME ASSEMBLY. A080-03 CYLINDRICAL MOULD, dia 102x52 mm. Request information. Manuals. Non sei loggato per vedere i manuali Entra. Aggregate impact value apparatus - NF P18-574 testing equipment Aggregates-Rocks.
Aggregate Impact Value Test
Aggregate Impact Value (AIV) = B/A x 100. Where B = weight of aggregate passing through 2.36 mm sieve. A = weight of the oven – dried sample. Note. AIV should not be more than 45% for use in …
Impact and Crushing Value
UTA-0650. The Aggregate Impact Value Testing Apparatus is robustly designed to determine the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact. The number of blows delivered to the sample is automatically documented by the counter that is fitted to …
2. Impact test of aggregate (Aggregate Impact value)
Aggregate Impact value: Aggregate impact value is defined as the ability of aggregates to have resistance against shock and impact, toughness. It Also can be defined as the load at which aggregates start cracking due to the impact and shocking. In Impact test of aggregate, the aggregates are tested to find out toughness of aggregate to …
Aggregate Impact Value Test (AIV)
The aggregate impact Value test is used to assess how resistant aggregates are to impact to fracture under repeated impacts. Based on impact value, determine their suitability for road construction. …
IMPACT VALUE OF AGGREGATE
The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock ... Fig. 2: Sieves Seives required are 12.5, 10.0 and 2.36 mm Fig. 3: …
Aggregate Impact value Test Apparatus, Procedure …
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 …
Aggregate Impact Value Test and Procedure
To determine Aggregate Impact Value Using Impact Testing Machine. Apparatus: – Impact Testing Machine: – Weight of hammer is 13.5 to 14.0 kg and Height of Fall is 380±5 mm. Sieves: – required are 12.5, 10.0 and 2.36 mm. Weight Scale: – To measure Weight of the sample. Procedure: – REPARATION OF SAMPLE
Impact Test of Aggregate | Lab Test Procedure
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 taken and oven-dried at a temperature ranging from 100 degrees Celsius to 110 degrees Celsius for about four hours. 2.
Aggregate Impact Testing Machine | Aggregate Testing …
Aggregate Impact Tester with Blow Counter. Ref. Standard IS:9377. Supplied Complete with : Cylindrical Cup, Metal Measure : 75 mm ID x 50 mm deep, Tamping Rod. Abrasion. Abrasion. Ref. Standards IS:2386 (Part 4), BS:812, ASTM C-131, C535, D2, AASHTO T96. Two types of machines for determining the abrasive value of aggregates are offered.
Aggregate Impact Value IS: 2386 (PART-4)
The aggregate impact value indicates a relative measure of the resistance of an aggregate to a sudden shock or an impact, which differs from its resistance to a slow gradually increasing compressive load. ... 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 …
PREDICTION OF AGGREGATE IMPACT VALUES AND …
In the Aggregate impact value test, a small portion of coarse aggregates having a size range between 10 to 12.5 mm, is confined in a 75 mm diameter cylindrical metal measure and
Aggregate Impact Value (AIV) Test Machine
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 aggregate to sudden shock or impact. The counter fitted to the machine automatically records the number of blows delivered to the sample ...
AGGREGATE IMPACT VALUE TEST
Impact Value testing machine; Electrical oven; Tamping rod; Weigh balance; IS Sieves -(12.5mm,10mm &2.36mm) The procedure of the test. Aggregate sample shall consists of particles passing on 12.5mm …
Aggregate Impact value Test Apparatus, Procedure and uses.
Step 7 The Impact test machine's hammer is to be released, descending freely onto the sample. The process requires delivering 15 blows with intervals of less than 1 second each. Step 8 Next, take out the metal cup from the machine and filter the aggregate using a 2.36mm sieve. Step 9 Please proceed to measure the gathered …
DEPARTMENT OF CIVIL ENGINEERING
resist their disintegration due to impact. This Characteristic is measured by impact value test. 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: 1. Impact Testing Machine: Impact testing machine conforming to IS: 2386 (Part IV) -
Aggregate Impact Value Test
How do you calculate the aggregate impact value? The impact value is measured in the ratio between the sieved aggregate of 10mm & 2.36mm aggregates. The aggregate impact value test will be conducted as per …
Aggregate Abrasion Value (AAV) — Material Testing Expert
Calculate the weight loss of the specimens to determine the Aggregate Abrasion Value (AAV) as a percentage loss in mass of chippings. Record the AAV value. Result. The AAV value ranges from about 1 for hard flints to over 16 for aggregates normally considered too soft for use in road surfacings. Related Test.
Aggregate Impact Value Test (AIV)
In each test, the total weight of the sample (weight A) divided by the weight of the fraction passing through 2.36 mm (weight B) gives the aggregate impact value. The weight of fines generated to total sample weight must be expressed as a percentage. The mean of the two test results is reported as the specimen's Aggregate Impact Value (AIV ...
Aggregate Impact Value Test | Impact Test of …
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 … See more
Aggregate Impact Tester, Impact Testing Machine, …
Measure of the impact value of an aggregate to sudden shock or impact. Toll Free No: 1800-3002-0330. Manufacturers, Suppliers and Exporters - Aimil ... It is for determining the aggregate impact value and has been designed in accordance with IS:2386 (Part 4 ), IS:9377. ... Purchased Compression Testing Machine 1000 kN capacity, Electrically ...