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.

Get priceThe 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.

Get priceThe 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 slowly applied compressive load. With aggregate of aggregate impact value (AIV) higher than 30 the result may be anomalous.

Get priceSep 24, 2010 · 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

Get pricediscussion for aggregate crushing value test magazene.nl. For Tests Like Aggregate Testing, Aggregate Impact And Crushing Value Test,, aggregate crushing value test report discussion is one of our most main, Get Price discussion of aggregate impact value test Get Info METHOD B2 THE DETERMINATION OF THE 10 PER CENT, Get Price

Get priceThe most useless aggregate is one whose surface texture is How long will it take for the concrete to achieve 100% of its strength? In reinforced concrete footing on soil, the minimum thickness at edge should not be less than

Get price5.16 The Heavy Impact Value has appliion to testing the same materials as those tested by the standard, light, medium, and heavy medium heavy impact soil testers, but the greater mass of this impact soil tester provides less sensitivity of the output so is applicable for harder materials at the top end the scales or beyond the ranges of the lighter impact soil testers.

Get priceAn aggregate specimen is compacted into a steel cylinder fitted with a nofriction plunger. The specimen is then loaded via the plunger. The load crushes the aggregate to an extent depending on the crushing resistance of the material. It is measured by a sieving test on the crushed specimen and it is a measure of the aggregate crushing value (ACV).

Get priceDec 15, 2017 · The aggregate impact value indies a relative measure of the resistance of the aggregate to a sudden shock or impact which in some aggregates differs from its resistance to a slow compressive load. From the calculations done we know that the aggregate can be acceptable as their Aggregate Impact value is less then 20% Aggregate Impact Value 10.

Get priceaggregate samples to calculate the LA abrasion loss. The authors found that the LA abrasion test was a consistent method of detecting weak materials and was a means of pre dicting aggregate impact value and aggregate crushing value. Wylde (11) reviewed and investigated the road failures,

Get priceToughness is the property of a material to resist impact. Due to movement of vehicles 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

Get priceResult Introduction measure of degradation of mineral aggregates of standard grading resulting from a combination of action including abrasion and grinding in a rotation steel drum containing a specific number of steel spheres. give a measure of aggregate hardness, as specified

Get priceThe 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.

Get priceFeb 03, 2012 ·ņ.0 Discussion . a) Sample can expel So we can conclude that the aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. The aggregate are mild tough to have the resistance pressure under traffic wheel loads such as car, lorry, motorcycle and etc.

Get priceDiscussion of aggregate impact value test Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including, Discussion of aggregate impact value test, quarry, aggregate, and different kinds of minerals.

Get priceThe test aims at looking for the forces required to produce 10% of fine values (i.e. weight of fines aggregates/weight of all aggregates = 10%). This test is very similar to Aggregate Crushing Test in which a standard force 400kN is applied and fines material expressed as a percentage of the original mass is the aggregate crushing value.

Get priceAggregate Crushing Value (ACV) 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 slowly applied compressive load. With aggregate of aggregate impact value higher than 30 the result may be anomalous.

Get price5.16 The Heavy Impact Value has appliion to testing the same materials as those tested by the standard, light, medium, and heavy medium heavy impact soil testers, but the greater mass of this impact soil tester provides less sensitivity of the output so is applicable for harder materials at the top end the scales or beyond the ranges of the lighter impact soil testers.

Get priceThe aggregate impact value is expressed as the percentage of the fines formed in terms of the total weight of the sample. 100 W2 Where, W1 = Original weight of the sample. Aggregate Impact Value = W1 W2 = Weight of fraction passing 2.36mm IS sieve.

Get priceSep 04, 2013 · In this test we will find out the percentage of the weight of the aggregate sample which gets crushed with respect to the total weight of the sample. This percentage is known as the aggregate impact value and more the aggregate impact value less is

Get priceAggregate Impact Value Test YouTube. Aug 27, 2009· Impact value of an aggregate is the percentage loss of particles passing 2.36mm sieve by the appliion or load by means of 15 blows of standard hammer and drop, under specified test condition.

Get priceImpact value of an aggregate test gives ''an idea'' of toughness of the aggregate to resist fracture under the impact of moving load and BS 812 recommended that the AIV should be less than 30. Figure 5 shows the aggregate impact value for PJW, SA8, SA14, KEP and KLG only showed slight increment of AIV and ranges between 17 to 26 percent

Get priceDec 13, 2012 · AGGREGATE IMPACT TEST, TEN PERCENT FINES TEST AND AGGREGATE . DISCUSSION (a) Report the geological description of the aggregate, Determination of aggregate impact value, aggregate crushing value and ten percent fines value. »More detailed

Get priceCoarse aggregate crushing value is the percentage by weight of the crushed material obtained when test aggregates are subjected to a specified load under standardized conditions. Aggregate crushing value is a numerical index of the strength of the aggregate and it is used in construction of roads and pavements.

Get priceaggregate impact value discussion. Products List. Aggregate Impact Test Scribd. For determination of the aggregate impact value of coarse aggregate, which passes 12.5 mm. IS sieve and retained on 10 mm. IS sieve. More details » Get Price.

Get priceTo Determine Aggregate Impact Value Theory: Aggregate impact value is measured of toughness of aggregate . Toughness is the property of material which indie its capacity which impact in sudden. Tougher the aggregate more suitable for wearing surface such as road surface. Lower the impact value stronger the aggregate, again the impact these

Get priceAn aggregate specimen is compacted into a steel cylinder fitted with a nofriction plunger. The specimen is then loaded via the plunger. The load crushes the aggregate to an extent depending on the crushing resistance of the material. It is measured by a sieving test on the crushed specimen and it is a measure of the aggregate crushing value (ACV).

Get price7.6 Aggregate Impact Value 7.6.1 Scope. 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 specifiion. This test provides

Get priceFeb 08, 2012 · Aggregate impact and The mean of the two test results is reported as the aggregate abrasion value.Discussion The aggregate abrasion test given above is rapid and easy to perform, except for the preparation of testspecimen, which is difficult and time consuming. This test is however carried out commonly in U.K.and a few other countries.

Get priceAggregate Crushing Value (ACV) 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 slowly applied compressive load. With aggregate of aggregate impact value higher than 30 the result may be anomalous.

Get priceImpact value of an aggregate test gives ''an idea'' of toughness of the aggregate to resist fracture under the impact of moving load and BS 812 recommended that the AIV should be less than 30. Figure 5 shows the aggregate impact value for PJW, SA8, SA14, KEP and KLG only showed slight increment of AIV and ranges between 17 to 26 percent

Get price5.16 The Heavy Impact Value has appliion to testing the same materials as those tested by the standard, light, medium, and heavy medium heavy impact soil testers, but the greater mass of this impact soil tester provides less sensitivity of the output so is applicable for harder materials at the top end the scales or beyond the ranges of the lighter impact soil testers.

Get price8. Typical Impact Values The lower and upper limits of permissible Impact Values are depicted in Table A, where IV readings AE are the values obtained on the first to fifth drops respectively. The critical 4th drop value D in Table A can be used providing the other limits in the table are not exceeded. TABLE A Drop IV No. Reading Permissible

Get priceOct 09, 2018 · Basically, the aggregates impact value is aggregate which provides a relative measure of the resistance of an aggregate to sudden shock or impact. However, it can be explain as the aggregate crushing value which is defined as a ratio of the weight

Get priceAggregate Impact Value Test YouTube. Aug 27, 2009 Impact value of an aggregate is the percentage loss of particles passing 2.36mm sieve by the appliion or load by means of 15 blows of

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