Crushing value test of aggregates importance, procedure, and standard limits. the aggregate crushing value test on coarse aggregates gives a relative measure of an aggregate under a gradually applied compressive load. it is a numerical index of the strength of the aggregates. this test is helpful in the construction of roads and pavements.
Method for aggregates passing a 14.0 mm test sieve and returned on a 10.0 mm test sieve. also describes a method for other size fractions. document history. bs 812110 j testing aggregates part 110 methods for determination of aggregate crushing value acv method for aggregates passing a 14.0 mm test sieve and returned on a 10.0.
Aggregate crushing value apparatus 75 mm. bs 812110. comprising 75 mm nominal diameter steel cylinder, plunger, base plate, tamping rod and measure 57 mm diameter x 90 mm deep. used for aggregate smaller than 9.52 mm. the complete assembly.
The basic thing in investigation into the quality of aggregate in road construction is that aggregates serves as reinforcement to add strength to the overall composite material. due to the relatively high hydraulic conductivity value as compared to most soils, aggregates are widely used in drainage application such as foundation and french drains, septic drain fields, retaining wall drains and road.
Procedure of aggregate crushing value test. sieve the test material through 12.5 mm and 10.0 mm is sieve. take test samples of aggregates passing through 12.5 mm is sieve and retained on 10 mm is sieve minimum 3 kg. dry theme in an oven for 4 hours at a temperature of 100 c to 110 c and then cool at room temperature.
Crushing. by definition a crushed stone is a construction aggregate. it is created by mining a suitable rock formation and then using a crusher to break it down. matest offers several solutions to crush the material in fine particles. a08101.
Used to determine the crushing resistance of lightweight aggregates. consisting, basically, of a steel cylinder and piston. two versions available procedure 1 apparatus with cylinder int. dia. 113 mm procedure 2 apparatus with cylinder int. dia. 76 mm. weight approx. 15 kg.
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1.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 ba x 100 where a weight of ovendried sample b weight in g of fraction passing through 2.36 mm is sieve. 6.video aggregate crushing value test.
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