### Aggregate Impact value Test Apparatus, Procedure and uses

Due to movement of vehicle 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 resist their disintegration on due to impact.

More### Aggregate Impact Value Test, Procedure, Result & Standards

Aggregate Impact Value Test is an ability or toughness of aggregates which resist sudden impact or shock load on it. Preparation of the Test Sample:-The aggregate which uses for the sample is passed through the 12.5mm IS sieve and retain on the 10mm IS sieve. aggregate impact testing machine Aggregate impact value aggregate impact value

More### Impact Test of Aggregate Lab Test Procedure

Mar 25, 2020· Hence, the road aggregates should possess sufficient toughness to withstand such an impact. The impact value test is hence used to determine the measure of the toughness of aggregates. General Test Procedure of Impact Test of Aggregate. The general test procedure of the aggregate impact value test is briefly described below. Objectives of

More### Exp 4 Aggregate Impact Value Civil Engineers PK

Experiment to Determine the aggregate impact value of different coarse aggregate samples, (BS 812), Aggregate impact value test, plain & reinforced concrete

More### 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. After carried out the Impact Test, we can conclude that the

More### A080KIT Aggregate impact value apparatus BS 812 Matest

AGGREGATE IMPACT VALUE APPARATUS. BS 812. Consisting of: A080-04 TEST FRAME ASSEMBLY A080-02 CYLINDRICAL MOULD, dia. 102x50 mm,

More### Aggregate Impact Value (AIV) Test for Aggregates

Jun 22, 2014· The aggregate impact value is expressed as the percentage of the fines formed w.r.t the total weight of the sample Aggregate Impact Value (AIV) = (100*M2)/M1 Where:

More### Aggregate Impact Value Testing AIV TEST Civil

Jan 09, 2018· Aggregate Impact Value Test. AIV test is conducted to determine the Aggregate Impact Value of Coarse aggregate. 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 compression load. Take the sample aggregate; Pass the

More### Impact and Crushing Value Construction Testing Equipment

Aggregate Impact Value (AIV) Test Machine. 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

More### Impact Value of Aggregate

The ratio of the weight of fines formed to the total sample weight in each test shall he expressed as a percentage, the result being recorded to the first decimal place: Aggregate Impact Value = (B/A) X 100 where A = weight in g of saturated surface dry sample, B =

More### Determine of Aggregate Impact Value Test: BS 812

Oct 27, 2017· Experiment Name: Determine of Aggregate Impact Value Test: BS 812 Purpose of the test: The Impact value of an aggregate is the percentage loss of weight particles passing 2.36mm sieve by the application of load by means of 15 blows of standard hammer and drop, under specified test

More### Aggregate Impact Value Test (IS:2386 (Part IV))

The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some aggregate differs from its resistance to a slow compressive load. The test sample consists of aggregate the whole of which passes a

More### Aggregate Impact Value Test Civil Engineering Tips

Dec 31, 2010· To check that Aggregate impact value test is performed. If the AIV is greater than 30 that aggregate is not suitable for the work. Procedure. Sample of aggregate passing 14mm sieve and retain on 10 mm sieve was taken. Put into a metal tray and compacted by tamping rod for 3 layers. Measure the weight. Three samples were taken as same procedure.

More### Aggregate Impact Value to BS812-112 Aggregates Impact

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.

More### Types of Testing for Aggregates Structural Guide

Nov 05, 2019· testing of aggregate crushing value Aggregate crushing value is an indicator of the crushing resistance of the aggregates when a compressive load is increased. It is tested in accordance with BS 812:110, 1990 and aggregate passing a 14mm test sieve and retained on 10mm sieve are considered for the testing.

More### 7.6 Aggregate Impact Value 7.6.1 Scope.

which is dependent on the aggregate’s impact resistance. This degree is assessed by a sieving test on the impacted specimen and is taken as the aggregate impact value. 7.6.3 Sampling. The sample used for this test shall be taken in accordance with Chapter 2. 7.6.4 Equipment 7.6.4.1 Impact testing machine. The machine shall be of the general

More### AGGREGATE IMPACT VALUE TEST-10+ IMPORTANT NOTES TO

Jul 16, 2014· Aggregate impact value test gives an indication of aggregate’s toughness property (i.e. property of a material to resist impact) Aggregate impact values are used to classify the stone aggregates with respect to toughness property as given below. Aggregate impact value (%) Toughness Properties <10 Exceptionally tough / Strong 10 20 Very tough / Strong []

More### DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.

Dec 15, 2017· Classification of aggregates using Aggregate Impact Value is as given below: Aggregate Impact Value Classification <20%.= Exceptionally Strong 10 20% .=Strong 20-30%. =Satisfactory for road surfacing >35%.= Weak for road surfacing 5. 5 APPARATUS 1. Aggregate Impact Value Test Machine 2. BS test sieve 3. A metal tamping rod 4.

More### Polished Stone Value Test Procedures and Equipment

The percentage mass of fines (passing a 2.80mm BS test sieve) formed in the test is known as the aggregate impact value AIV. higher values are given by weaker materials. For the majority of aggregates the impact value and the crushing value are similar, but brittle materials such as flints yield impact values which are about 5 units higher than

More### Impact testing machine, Aggregates testing CONTROLS

Used to determine the aggregate impact value (AIV) which provides a relative measure of the resistance of an aggregate to sudden shock or impact. The machine is robustly designed,made from steel protected against corrosion. Fit with a counter to check the number of blows delivered to the sample.

More### Aggregate tests Northstone Materials

Fines Value, Aggregate Impact Value, and Wet Attrition Value, have been withdrawn from (particle length to width ratio), Impact Value (NOT former BS test, but based on a DIN method), Micro Deval (wear), Freeze Thaw, Resistance to Thermal Shock, and A sample of aggregate (a specially graded mix of 10 and 14mm size fractions),

More### Aggregate Testing Admaterials

Testing and evaluation of aggregate’s quality from foreign source be comes important since its restriction of supply from existing source into Singapore. To ensure the aggregate from one source is suitable for use, Admaterials has the capacity to provide you the geological inspection on

More### Aggregate Impact Value (AIV) Apparatus Aggregate Impact

Standards. BS 812:112. General Description. 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. The counter fitted to the machine automatically records the number of blows delivered to the sample.

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