Aggregate crushing value apparatus model no. set1407. standards is 2376 partiv and bs 812111 aggregate crushing value apparatus descriptionsetest india is the perceptible name in the lab test equipments or instruments market as manufacturers and suppliers.setest indias aggregate crushing value apparatus model no. set1407.

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Aggregate crushing value test on coarse aggregates giveselative 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 topecified load under standardized conditions.

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Aggregate crushing value 1.objective the aggregate crushing value giveselative measure of the resistance of an aggregate to crushing underradually applied compressive load. with aggregate of aggregate crushing value 30 or higher, the result may be anomalous, and in such cases the ten percent fines value should be determined instead.

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Crushing value test procedure select clean and dry aggregate passing through 12.5 mm and retained on 10.0 mm sieve. weight the empty cylindrical measure. let the weight berams. fill the aggregate in the cylindrical measure in three layers, tamping each layer 25 times with the rounded end of the tamping rod.

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The strength of coarse aggregates is assessed by aggregates crushing test. the aggregate crushing value provider.elative measure of resistance to crushing underradually applied compressive load. to achieveigh quality of pavement, aggregate possessing low aggregate crushing value should be preferred.

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Concept and significance of the aggregate crushing value test. the aggregate crushing value test giveselative measure of the resistance of an aggregate to crushing underradually 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.

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Finally, calculate the specimen crushing value using the formula below. aggregate crushing value w200 w1w w1w weight of dry sample w2 weight of fraction passing through the sieve after application of load. forood quality aggregate, the crushing strength value is low. recommended crushing values.

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Aggregate testing machine our product range includeside range of aggregate crushing test apparatus is 2386 piv, length gauge, rifiller sample divider, rajco lechatelier flask for specific gravity test is 4031., thickness gauge and buoyancy balance 6000 g.

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The aggregate crushing value giveselative measure of the resistance of an aggregate to crushing underradually applied compressive load. with aggregate of aggregate crushing value 30 or higher, the result may be anomalous, and in such cases the ten percent fines value should be determined 6.video aggregate crushing value test.

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Aggregate crushing value is defined as the percentage by weight of the crushed or finer material obtained when the test aggregates are subjected topecified load under standardized conditions, and the strength of the aggregate used in road construction is expressed by numerical index.

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Aggregate crushing value ba00 whereeight of ovendried sampleeight inf fraction passing through 2.36 mm is sieve. 6.video aggregate crushing value test.

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The table given below lays down specified limits of percent aggregate crushing value, for different types of road construction. table3. the specified limits of pe cent aggregate crushing value. note for strong aggregate, crushing value should be low. for surface courses this value should not exceed more than 30 and for courses not more than 45.

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Crushing value test procedure. select clean and dry aggregate passing through 12.5 mm and retained on 10.0 mm sieve. weight the empty cylindrical measure. let the weight berams. fill the aggregate in the cylindrical measure in three layers, tamping each layer 25 times with the rounded end of the tamping rod.

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Used for concreteothet than for wearing surfaces, the aggregate crushing value shall not exceed 45 percent, according to the iss. however aggregate crushing values have not been specified by the irc for coarse aggregates to be used in bituminous pavement construction methods. 1.

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Aggregate crushing value test apparatus is used for measuring resistance of an aggregate to crushing. made of mild steel comprising of cylindrical cell, 150mm internal dia30 to 140mm height, plunger, 148mm dia00 to 115mm height, base plate, 200 to 230mm squaremm thickness, tamping rod, 16mm dia50 to 600mm length.

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What is aggregate crushing value test? the aggregate crushing value test is an important test of aggregates. it givesumerical index of the strength of the aggregate and it is used for concrete in construction of roads and pavements.

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Take the aggregate out of the cylinder and sieve them through.36 mm is sieve. weight this fraction passing through it to an accuracy of 0.1 gm. this fraction isuantity of the loss of material due to crushing. note down the observations in the proforma then compute the aggregate crushing value.

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Aggregate crushing value is defined as the percentage by weight of the crushed or finer material obtained when the test aggregates are subjected topecified load under standardized conditions, and the strength of the aggregate used in road construction is expressed by numerical index. aggregates with lower crushing value showower.

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Aggregate crushing value w200 w1w w2 weight of fraction passing through the appropriate sieve w1w weight of surface dry sample. the mean of two result to nearest whole number is the aggregate crushing value. result the aggregate crushing value of the given sample aggregate crushing values for roads and pavement construction.

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Contrary, the aggregate crushing test is simple, rapid and gives fairly consistent results. applications of aggregate crushing test itthe aggregate crushing value is an indirect measure of crushing strength of the aggregates. low aggregate crushing value indicates strong aggregates, as the crushed fraction is low. hus the test can be.

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