aggregate crushing value test pdf download

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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

number Report the mean as the Aggregate Crushing Value unless the individual results differ by more than 007 times the mean value In this case repeat the test on two further specimens calculate the median of the four results to the nearest whole number and report the median as the Aggregate Crushing Value A data sheet is given as Form 771

Objective 1 Determine the aggregate crushing value of coarse aggregate 2 Assess suitability of coarse aggregates for use in different types of road Theory The aggregate crushing value give a relative measure of the resistance of

Sampling for Aggregate Crushing Value Test For the Aggregate crushing value test an aggregate sample passing through 125 mm IS sieve and retained on 10mm IS sieve is selected and dried to a temperature of 105 ºC to 110 ºC then cooled to room temperature To fill the cylindrical measure mould about 65 kg of a sample of aggregate is sufficient

Aggregate Crushing Value BA X 100 where A weight of ovendried sample B weight in g of fraction passing through 236 mm IS sieve 6 video Aggregate Crushing Value Test 7 Download Download PDF

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

The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied compressive load Lesser the aggregate crushing value stronger is the given sample of aggregates Object To determine aggregate crushing value by compressive testing machine Apparatus required 1 Steel cylinder open with both ends 2

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

Aggregate Crushing Value Test Free download as Powerpoint Presentation ppt pptx PDF File pdf Text File txt or view presentation slides online Aggregate Crushing Value Test

Aggregate Crushing Value BA X 100 where A weight of ovendried sample B weight in g of fraction passing through 236 mm IS sieve 6 video Aggregate Crushing Value Test 7 Download Download PDF

Download fulltext PDF Download full He also recommends a percentage aggregate crushing value 43 is the preferred p article fraction used for the aggregate crushing test f or base course

Note 1 A procedure for testing coarse aggregate larger than 190 mm 3 4 in is covered in Test Method C535 Thus coarse aggregates with a maximum size between 19 mm 3 4 in and 375 mm 1 1 2 in may be tested by Test Method C535 or Test Method C131C131M

The aggregate crushing value ACV provides relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Two versions available 150 standard and 75 mm dia The apparatus comprehend cylinder plunger base plate tamping rod and measure

Sep 12 2015 · Crushing Test Fig1 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 partIV and used to determine the crushing strength of aggregates The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied

2 Standard Test Method 20 The test will be performed in duplicate on the material passing the 14mm sieve and retained on the 100mm sieve 21 The aggregate used in this test will have been obtained from a bulk sample that was initially taken and prepared in the manner described in BS EN 93211999

Determination of Aggregate Impact Value – Impact Test on Aggregates is done to carry out to Determine the impact value of the road aggregates Assess their suitability in road construction on the basis of impact value ContentsAggregate Impact Value on Coarse AggregatesApparatus for Aggregate Impact TestTheory of Aggregate Impact TestProcedure of Aggregate Impact

766 Aggregate impact value 7661 Procedure a Test specimens in a dry condition i Fix the cup firmly in position on the base of the impact machine and place the whole of the specimen in it and then compact by 25 strokes of the tamping rod Adjust the height of

Feb 08 2012 · Aggregate impact and crushing test 1 Impact 10 Fines Crushing Tests NANYANG TECHNOLOGICAL UNIVERSITY School of Civil and Structural Engineering LABORATORY PAVEMENT MATERIALS AGGREGATE IMPACT TEST TEN PERCENT FINES TEST AND AGGREGATE CRUSHING TESTOBJECTIVESTo assess the resistance of an aggregate to mechanical degradation by theAggregate Impact Test Ten Percent Fines Test and Aggregate

Aggregate crushing value can be obtained from below formula Aggregate crushing value W2W1 100 Abrasion Test on Aggregates Hardness property of aggregate is determined by conducting abrasion test Los Angeles abrasion testing machine is used to conduct this test For this test the sample taken should be clean and dried