AGGREGATE IMPACT VALUE TEST-10+ IMPORTANT NOTES TO ...

If the aggregate crushing value is less than 10, it signifies an exceptionally strong aggregate. Whereas, if the crushing value is 35 or above, it would normally be considered as weak aggregate. After performing the test, the crushed material is separated and calculated in terms of percentage of the original weight taken in the mould.

Impact Test on Aggregates - GharPedia

The crushed aggregate is removed from the test specimen and sieve it through the 2.36 mm IS sieve. An impact value is measured as % of aggregates passed through the 2.36mm sieve (W2) to the total weight of the sample (W1). Aggregate impact value (The value of aggregate impact test) = …

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The apparatus of the aggregate crushing value test as per IS: 2386 (Part IV) – 1963 consists of: 1) A 15cm diameter open ended steel cylinder with plunger and base plate, of the general form and dimensions as shown in Fig 1. 2) A straight metal tamping rod …

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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 […]

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The apparatus of the aggregate crushing value test as per IS: 2386 (Part IV) – 1963 consists of: 1) A 15cm diameter open ended steel cylinder with plunger and base plate, of the general form and dimensions as shown in Fig 1. 2) A straight metal tamping rod …

Determination Of Aggregate Crushing Value Lab Report

1.The 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 = (B/A) X 100 where A = weight of oven-dried sample B = weight in 'g' of fraction passing through 2.36 mm IS sieve. 6.Video Aggregate Crushing Value Test

AGGREGATE CRUSHING VALUE - iricen.gov.in

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. Granular sub-base is subjected to repeated loadings from truck types. The stress level at the contact points of aggregate particles is quite high.

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The value is higher when more percentage of aggregates crush and break into smaller pieces which indicates the aggregates are of a lower quality. 2. Aggregate crushing value < 45% for aggregates used for concrete for non-wearing surfaces and <25% for wearing surfaces like …

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Aggregate Crushing Value Test greenrevolution. Determination of aggregate crushing value545 Кб. 3. APPARATUS The apparatus of the aggregate crushing value test as per IS 2386 (Part IV) 1963 consists of 1) A 15cm diameter open ended steel cylinder with plunger and base plate, of the general form and dimensions as shown in Fig 1. Get Price

Discussion Of aggregate crushing Value Test

Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load. Coarse 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.

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Various Lab Test On Cement; Aggregate Crushing Value; Various Lab Test On Bitumen; Aggregate Abrasion Value; Aggregate Impact Value; M 15 Mix Designs as per IS; NDT Test; M-20 Mix Designs as per IS

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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%.

Various Lab Test On Aggregates - Civil Engineering

May 17, 2019· Concept and significance of the Aggregate crushing value test. The ' aggregate crushing value test ` gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Aggregate crushing value is defined as the percentage by weight of the crushed (or finer) material obtained when the test aggregates are subjected to a specified load …

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Kolkata Aggregate Crushing Value Advantages X012s. Coarse 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.

advantages aggregate crushing value test report

advantages aggregate crushing value report. Advantages aggregate crushing value test report aggregate crushing value 2.36 pasing way Crusher . Aggregate crushing value ) it is a test to The overall conclusions of this report are that future road maintenance in Tonga should be . More

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advantages aggregate crushing value test report. Surface dressing with aggregate chippings and bitumen, DEPOT TRAY TEST (Know the amount of binder you are spraying, and its evenness of …

advantages aggregate crushing value test report

Sep 12, 2015· Crushing Test Fig-1 Crushing Test Setup. One of the model in which pavement material can fail is by crushing under compressive stress. A test is standardized by IS: 2386 part-IV and used to determine the crushing strength of aggregates. The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied ...

Aggregate impact and - SlideShare

Investigation of Testing Methods to Determine Long ... - ia Tech. Apr 14, 2005 ... Realizing the importance and also that deficiencies in the ... From the test results it was found that the WisDOT aggregate testing protocol could be ... 2.1.6 Aggregate Crushing Value (British Standard 812 …

Aggregate Crushing Value Test - L & T - Learning Technology

Determination Of Aggregate Crushing Value Lab Report. Advantages Aggregate Crushing Value Test Report Aggregate crushing value is defined as the percentage by weight of the crushed or finer material obtained when the test aggregates are subjected to a specified load under standardized conditions and the strength of the aggregate used in road construction is expressed by numerical index

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This resistance of aggregate may differ from resistance to gradual load which we measure in the crushing value test. Importance Impact Value Test: Generally, the majority of the aggregate test is carried out to know the response of aggregates to different kinds of loads that the aggregates will be subjected to during their service life.

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Objective Of Aggregate Crushing Value Test. under a gradually applied compressive load Aggregate crushing value is defined as the percentage by weight of the crushed or finer material obtained when the test aggregates are subjected to a specified load under standardized conditions and the strength of the aggregate used in road .

Aggregate Crushing Value Test Report

Feb 08, 2012· Toachieve a high quality of pavement, aggregate possessing low aggregate crushing value should be preferred.Apparatus The apparatus for the standard aggregate crushing test consists of the following: (i) Steel cylinder with open ends, and internal diameter 25.2 cm, square base plate plunger having a piston of diameter ~ with a hole provided ...