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conducted to determine the properties of plastic aggregate such as density, specific gravity and aggregate crushing value As replacement of natural coarse aggregate (NCA) with plastic coarse aggregate (PCA) is not feasible, partial replacement at ,

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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 125mm, 10mm and ,

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In road construction, the quality of aggregates is assessed by the crushing strength of aggregatFor higher quality of roads, the aggregate should possess low aggregate crushing value Here I am going to teach you how to determine the crushing strength of aggregatFirst, let us check what are the various apparatus needed for this experiment

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Maximum crushing value of good quality of aggregate Products As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Maximum crushing value of good quality of aggregate, quarry, aggregate, and different kinds of minerals

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The aggregate crushing value, that is, toughness measure for the sample of rock due to failure by impact, for coarse aggregate samples are as shown in Table 2 and they varied with an average of 2614% and standard deviation of 474% The standard BS812: Part 112:BS882: 1992 prescribes that the maximum crushing values should be 25% for .

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The selection of proper aggregate for a given application is essential to attain the desired quality Various characteristics are required to be determined for the selection of appropriate aggregate from the wide range available Aggregate Crushing Value Test Apparatus is used for measuring resistance of an aggregate to crushing

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Sep 12, 2015· Then crushed aggregates are then sieved through 236 mm sieve and weight of passing material (W2) is expressed as percentage of the weight of the total sample (W1) which is the aggregate crushing value Aggregate crushing value = (W1/W2)*100

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21 CRUSHING VALUE OF COARSE AGGREGATE Aim: To determine the crushing value of coarse aggregate sample Apparatus : - Universal testing machine (UTM) , Sieve of 125,10 and 236 mm Standard compacting rod, Riffle box, Cylindrical mould Practical relevance:- The strength of concrete cannot exceed that of the bulk of aggregate it contains Therefore so long as the strength of aggregate ,

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Get this from a library! Standard method [for] FACT value (10 percent fines aggregate crushing value) of coarse aggregat [South African Bureau of Standards]

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~Indian Roads Congress and IS) have specified that the aggregate crushing value of the coarse aggregates used for cement concrete pavement at surface should not exceed 30 percent For aggregates used for concreteothet than for wearing surfaces, the aggregate crushing value shall not exceed 45 percent, according to the ISS

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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 125mm, 10mm and ,

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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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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

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D2419 Test Method for Sand Equivalent Value of Soils and Fine Aggregate D4318 Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils D4792 Test Method for Potential Expansion of Aggregates from Hydration Reactions D5821 Test Method for Determining the Percentage of Fractured Particles in Coarse Aggregate

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coarse aggregates, the variation of aggregate crushing value of different coarse aggregates, strength gain of concrete with time for different coarse aggregates and to establish a relation between aggregate crushing value of coarse aggregate and compressive strength of concrete In the study, Portland Composite Cement (PCC) has not been used

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the rules of aggregate crushing value test pdf In the case of G1 material, the strict specification for this type of aggregate should rule Read more astm aggregate crushing value - crusherasia The aggregate crushing value and aggregate impact value of fly ash coarse aggregates were also studied aggregate crushing value specifications

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impact of using coarse aggregate sand in concrete production , Aggregate crushing value test 10 fines value test BS 812: Part 3 specifies a maximum limit of 30 for aggregates used in structural concrete and 40 on aggregates used in lean concrete For crushing values of over 25 to 30 the test is insensitive because the weaker material is .

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Apr 10, 2012· 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 The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied compressive,

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