METHOD B1 THE DETERMINATION OF THE The aggregate crushing value ACV of an aggregate is the mass of material expressed as a percentage of the test sample which is crushed finer than a 236 mm sieve when a sample of aggregate passing the 132 mm and retained on the 950 mm sieve is subjected to crushing under a gradually applied compressive load of 400 kN 2 APPARATUS 21 An openended. If you are interested in our company's products, we welcome your consultation 7/24 hours, and we are committed to creating the most suitable solution for you.Get Price
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Aggregate Crushing ValueIS 2386 Part IV 1963 Aggregates used in the construction should be strong enough to resist crushing If the aggregates are weak the stability of the structure is likely to be adversely affected The strength of coarse aggregates is assessed by aggregate crushing test.
This test is repeated once or twice and the average crushing value of the aggregate is determined The average crushing value in the different tests is the actual crushing value of aggregate Important points to remember It is recommended that the crushing value of aggregate should be less than 30.
Aggregate Impact Value on Coarse Aggregates Apparatus for Aggregate Impact Test The apparatus as per IS 2386 Part IV 1963 consists of i A testing machine weighing 45 to 60 kg and having a metal base with a painted lower surface of not less than 30 cm in diameter.
The aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under gradually applied crushing load The aggregate crushing value test is a useful guide when dealing with aggregates of unknown performance particularly when lower strength is suspected.
Aggregate Crushing Value Test Pdf Impact Value Test of Aggregate Procedures Theory amp The procedure of the impact value test includes the following series of steps 1 The aggregate samples of size 10mm to 125mm passing through 125mm sieve and retained on 10mm sieve are first taken and ovendried at a temperature ranging from 100 degree Celsius.
The aggregate crushing value ACV which gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load The method is applicable to aggregates passing a 14 0 mm test sieve and retained on a 10 0 mm test sieve For other size fractions there is another recommended method.
The Rules Of Aggregate Crushing Value Test Pdf Surface dressing guide design of surface dressing using aggregate new this guide can now be downloaded in pdf format for easy browsing off line only premium quality aggregate with an appropriate polished stone value psv for the 9 application of binder spray bar tests rate of discharge of spray bar not be too difficult if you know what.
Crushing value of aggregate pdf the rules of aggregate crushing value test pdf IS 383 1970 Specifiion for Coarse and Fine Aggregates From Sep 25 1970 aggregates aggregate abrasion value and soundness test for aggregates the read more get price.
May 07 2013018332Objective For determination of the aggregate impact value of coarse aggregate which passes 12 5 mm IS sieve and retained on 10 mm IS sieve Reference Standards IS 2386Part IV 1963 Methods of test for aggregate for concrete Part IV Mechanical Properties Equipment amp Apparatus Aggregate Impact Test Machine Sieves 12 5mm 10mm Cylindrical metal measure Tamping Rod.
Crushing value test of aggregate pdf We are here for your questions anytime 247 welcome your consultation Get Price ratio of the weight of fines formed to the total sample weight in each test shall be expressed as a percentage the result being recorded to the first decimal place Aggregate Crushing Value BA X 100 where A weight of ovendried.