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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

May 08 2013· Aggregate crushing Value = W B W A × 100 Record The mean of the two results is reported to the nearest whole number as the aggregate crushing value of the tested material Safety Precautions Use hand gloves while removing containers from oven after switching off the oven To wear safety shoes helmet during the time of test

number Report the mean as the Aggregate Crushing Value unless the individual results differ by more than 0 07 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 7 7 1

Experiment No 4 Determination of the aggregate impact value of different coarse aggregate samples BS 812 Scope significance Aggregate Impact Value The aggregate impact value gives a relative measure of the toughness or the resistance of aggregate sudden shock or impact is not proportional to the resistance to a slowly applied compressive load

BS 812 part 110 describes a method to determine the aggregate crushing value ACV which gives a relative measure of the crushing resistance of aggregate under an increasing compressive load The method is applicable to aggregates passing a 14 0 mm test sieve and retained on a 10 0 mm test sieve

Feb 01 2014· The impact value is some times used as an alternative to its crushing value Material passing 12 5mm and retained on 10mm sieve is taken 13 14 AGGREGATE CRUSHING VALUE The aggregate crushing value gives a relative measure of resistance of an aggregate to crushing under a gradually applied compressive load

AGGREGATE CRUSHING VALUE This test helps to determine the aggregate crushing value of coarse aggregates as per IS 2386 Part IV 1963 The apparatus used is Cylindrical measure and plunger Compression testing machine IS Sieves of sizes 12 5mm 10mm and 2 36mm

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 …

Aggregate Crushing Value And Sieve Analysis for Highway Aggregate Crushing Value lab report ombz Aggregate 10 Fines Value BS 111 BS en 1097 2 calculate the median of the four results to the nearest whole number and report the median as the ACV 36mm sieve after crushing 12 The whole of the aggregate … Get price

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1 To determine the aggregate crushing value of coarse aggregates 2 To assess suitability of aggregates for use in different types of road pavement 2 PRINCIPLE The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Crushing value is a

This paper reports an experimental investigation carried out to establish a mathematical relationship between aggregate crushing value ACV and ten percent fines aggregate crushing value TFV

The crushing strength or aggregate crushing value of a given road aggregate is found out as per IS-2386 Part- 4 The aggregate crushing value provides a relative measure of resistance to crushing under a gradually applied compressive load To achieve a high quality of pavement aggregate possessing low aggregate crushing value should be preferred

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

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

Nov 03 2013· Aggregates with lower crushing value indicate a lower crushed fraction under load and would give a longer service life to the load and hence a more economical performance Weaker aggregates if used would get crushed under traffic loads would produce smaller pieces not coated with binder and these would be easily loosend out reasulting in loss

Apr 24 2019· Aggregate Crushing value test procedure of Coarse aggregate is required to find out the relative measure of resistance of an coarse aggregate crushing under gradually applied compressive load We described the procedure of crushing value of aggregate test as per IS Code with Crushing value apparatus and Limits

Apr 23 2019· Aggregate impact value = w2 w1 100 = 20 17 Share this Page with other Engineers Aggregate Impact Value Test Lab Report PDF Subscribe and mail us for Lab report we will provide shortly Specification Limit of Aggregate impact value Range

aggregate toughness abrasion resistance and durability soundness that are related to the performance of asphalt concrete pavements Toughness Abrasion Resistance Aggregates must be tough and abrasion resistant to prevent crushing degradation and disintegration when stockpiled fed through an asphalt plant placed with a paver compacted

Created Date 8 19 2008 1 29 36 PM

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

Impact and Crushing Value Aggregate Crushing Value ACV Sets UTA-0630 Aggregate Crushing Value ACV Set Ø 150 mm BS UTA-0640 Aggregate Crushing Value ACV Set Ø 75 mm BS The Aggregate Crushing Value ACV Test Set measures how resistant an aggregate is when being crushed under a gradually applied compressive load

Aggregate Crushing values is a relative resistance of aggregates to crushing under gradually applied compressive load In situations when aggregate value 30 or higher the result may be a mistake and in such cases the ten percent fines value should be determined and used instead

Aggregate impact and crushing test - SlideShare 8 Feb 2012 These crushing tests can reveal aggregate properties subject to PROCEDURE - Aggregate Impact Value SS 1974 1 The apparatus Merits of c4 coated coconut cover crush block over aggregate block 653 views Like

An 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

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 …

Determination of Aggregate Impact Value - Impact Test on Aggregates is done to carry out to Determine the impact value of the road aggregates Assess Determination of Aggregate Impact Value - Impact Test on Aggregates is done to carry out to Determine the impact value of the road aggregates Assess Register Now Aggregate Crushing

Advantages Aggregate Crushing Value Test Report Aggregate crushing value test is 2386part 4 quality of pavement aggregate possessing low aggregate crushing value to determine the aggregate crushing value by compressive testing machine results the mean of the crushing value obtained in the two tests is reported as the Online Chat

Home Transportation Aggregate 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

Aug 25 2013· Sign in to report inappropriate content Determination of Aggregate Impact Value - Duration 20 22 Aggregate Crushing Value - Duration 9 46 Mohan A 43 120 views