Exp 4 Aggregate Impact Value - Civil Engineers PK
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.
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.
Calculation of aggregate crushing value. The aggregate crushing value is defined as the ratio of the weight of fines passing through specified IS (here 2.36mm sieve) to the total weight of sample expressed in percentage. W1= Weigh of the total aggregates (Wa-We) W2= Weigh of aggregates passing through 2.36mm IS sieve.
Aggregate impact value (The value of aggregate impact test) = (W1/W2)*100 The value of aggregate impact test should not be more than 45% by weight of aggregates, used for concrete other than wearing surface. An impact value 35% is permissible for the bituminous macadam. Maximum permissible impact value for the water bound macadam is 40%.
Mar 21, 2018· 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. Aggregate Impact Value {AIV} • AIV is the percentage of fines produced from the aggregate sample subjecting it to a standard amount of impact.
· 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 condition.
Aggregate crushing experiment values twowhitepigeo. sample experiment aggregate impact value Aggregate Crushing Value seperti layang layang Feb 25, 2012From the experiment, we get average percent wear are 2234% still not exceeding JKRs standard, 30% So we can conclude that the aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under a .
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 [.]
This Apparatus is used to determine aggregate impact value of coarse aggregate. The hammer of the tester fall freely from 380 mm height on coarse aggregate for 15 times/15 sec.the crushed aggregate removed from the cup,then sieved and weighed. The % ratio of the weight passing 2.36mm sieve and weight of oven dried sample is Aggregate Impact value.
vi) The ratio of the weight of the fines formed to the total sample weight is expressed as a percentage. vii) Aggregate impact value is obtained by the relation (B/A) x viii) Two such tests are carried out and the mean of the results is reported. Observation in this experiment. The Aggregate Impact Value can be found by referring to below ...
AGGREGATE IMPACT Value . lab report aggregate impact . conclusion of aggregate impact value test . Lab Report of Los Angeles Abrasion . (ACV) of an aggregate is the mass of material, expressed as a percentage of the test sample. which is crushed finer than a 2,36 mm sieve when a sample of aggregate passing the 13,2 .
The aggregate impact value gives a relative measure of the resistance of the aggregate to sudden shock or impact. The particular purpose which an aggregate is meant to serve requires the aggregate to have a particular strength which is usually stated in the specification. This test provides a method for measuring this strength.
AGGREGATE IMPACT VALUE TEST Object of the Experiment To evaluate the toughness of a stone i.e. the resistance of the aggregates to fracture under repeated impacts is called Impact Test. This test is done to determine the aggregate impact value of coarse aggregate as per IS 2386 (Part-IV) 1993.
Impact test 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.
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 end and Oven.
To evaluate the toughness of a stone i.e. the resistance of the aggregates to fracture under repeated impacts is called Impact Test.This test is done to determine the aggregate impact value of coarse aggregate as per IS 2386 (Part-IV) 1993. Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993
Aggregate Impact Test This test is specified in BS812:Part 3 : 1975. Resistance to impact of a sample of aggregate is measured by subjecting a 28mm deep bed of 14 mm to 10 mm chippings, in a 102mm diameter hardened steel cup, to 15 blows from a 14 kg hammer falling from a height of 380mm.
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 the Indian Standard Code IS code 2386 Part 4. Let's start with the experiment to understand the concept better. Precautions to .
Jan 31, 2015· Aggregate impact value Calculation And uses 1. Created by Shahryar & CO. 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 .
crushes the aggregate to a degree which is dependent on the aggregate's crushing resistance. This degree is assessed by a sieving test on the crushed specimen and is taken as the Aggregate Crushing Value. 7.7.1.4 Sampling. The sample used for this test shall be taken in accordance with Chapter 2. 7.7.1.5 Equipment
Los Angeles abrasion test on aggregates is the measure of aggregate toughness and abrasion resistance such as crushing, degradation and disintegration. This test is carried out by AASHTO T 96 or ASTM C 131: Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine. The aggregate used in surface course […]
May 07, 2013· Aggregate Impact Test Machine; Sieves (12.5mm,10mm) Cylindrical metal measure; Tamping Rod; Balance (0-10kg) Oven(300 0 c) Aggregate Impact Value Test Apparatus. Preparation Of Test Sample. Test sample consist of aggregate passing a 12.5mm IS sieve and retained on a 10mm IS sieve. The aggregate to be tested is dried in oven for a period of not ...
Oct 28, 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 236mm sieve by the application of load by means of 15 blows of standard hammer and drop, under specified test condition AIV gives A relative measure of the ...
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 .
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. Procedure of Aggregate Impact Test The test sample consists of aggregates sized 10.0 mm 12.5 mm. Aggregates may be dried by heating at 100-110° C for a period of 4 hours and cooled.