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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
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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 236mm
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Calculation of aggregate crushing value the aggregate crushing value is defined as the ratio of the weight of fines passing through specified is here 236mm sieve to the total weight of sample expressed in percentage w1 weigh of the total aggregates wawe w2 weigh of aggregates passing through 236mm is sieve
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Aggregate crushing value is2386 part 4 1963 objective for determination of the aggregate crushing value of coarse aggregate which passes sieve and retained on 10 nce standard is 2386 part iv1963 methods of test for aggregate for concrete part iv mechanical ent apparatus steel cylinder sieves 125mm10mm cylindrical metal measure tamping rod balance 010kg
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Aggregate crushing value of coarse aggregate note 1 the aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load with aggre gate of aggregate crushing value 30 or higher the result may be anomalous and in
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May 27 2020 the crushing value of an aggregate indicates its resistance against crushing under gradually applied compressive loads the standard aggregate crushing test is made on aggregate passing 125mm is sieve and retained on 10 mm is sieve procedure about 65 kg material consisting of aggregates passing 125mm is sieve and retained on 10mm sieve is
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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
May 22 2020 for finding the resistance of aggregate under gradually applied compressive load the crushing value test of aggregate is done for the crushing value test the following procedure is followed procedure for finding the crushing value of aggregate aggregate passing through a125mm is sieve and retained on 10mm is sieve is taken
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Calculate aggregate crushing value 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 w b w a 100 where w a is weight of surfacedry sample
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
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Aggregate crushing value test determine 2020718 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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Aggregate crushing value test determine 2020718 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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The aggregate crushing value is a numerical index of the resistance of an aggregate to crushing under a gradually applied compressive load it is expressed as the percentage by mass of the crushed or finer material obtained when the test sample is subjected to a specified load under standard conditions
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Read more aggregate crushing value test procedure and result objective this method of test used to measure the impact value of aggregate use in the construction of highway pavement and concrete structure referenceis 2386 part 4 1963 apparatus
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Calculation of aggregate crushing value aggregate crushing value can be found by the following formula aggregate crushing value is determined by taking a percentage of weight crushed aggregate sample passing through 236 mm is sieve divided by weight of aggregate sample taken for test aggregate crushing value w3 w or w3 w2 w1
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Jun 27 2020 the crushing strength or aggregate crushing value of a given road aggregate is found out as per is2386 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
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Mar 31 2017 assuming that you are refering to crushing and impact tests of aggregates crushing test gives us idea about strength of aggregate strength resistance to gradual loading impact test gives us idea about toughness of aggregate tough
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Aggregate crushing value is2386 part 4 1963 objective for determination of the aggregate crushing value of coarse aggregate which passes sieve and retained on 10 nce standard is 2386 part iv1963 methods of test for aggregate for concrete part iv mechanical ent apparatus steel cylinder sieves 125mm10mm cylindrical metal measure tamping rod balance 010kg
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The aggregate crushing value acv test set provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load each set consists of steel cylinder plunger base plate cylindrical measure and tamping rod all parts of the apparatus are powder coated or galvanized steel heat treated and ground
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Calculation of aggregate crushing value aggregate crushing value can be found by the following formula aggregate crushing value is determined by taking a percentage of weight crushed aggregate sample passing through 236 mm is sieve divided by weight of aggregate sample taken for test aggregate crushing value w3 w or w3 w2 w1
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Aggregate crushing value test determine aggregate 2020518aggregate crushing value test determine aggregate aggregate crushing value test determine aggregateaggregate 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
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Aggregate crushing value test procedure and result this testing method is known as an aggregate crushing value test aggregate crushing value provides the resistance of an aggregate sample to crushing under gradually applied compressive load generally the test is conducted on aggregate passing 125 mm and retained on 10 mm sieve
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Aggregate crushing value test determine aggregate 2020518aggregate crushing value test determine aggregate aggregate crushing value test determine aggregateaggregate 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
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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 236mm
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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
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Calculation of aggregate crushing value aggregate crushing value can be found by the following formula aggregate crushing value is determined by taking a percentage of weight crushed aggregate sample passing through 236 mm is sieve divided by weight of aggregate sample taken for test aggregate crushing value w3 w or w3 w2 w1
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
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
