May 05 2010 · 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...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan. If you are interested in these product, please contact us.
Feeding Size: ≤25-≤30mm
Discharging Size: 0.125- 0.044mm
Production Capacity: 2-176TPH
Fuel: Coal,mazut,gas, etc.
Feeding Size: 10-50mm
Sphere Size: Custom-made
Raw Material Size: 0-5mm
Production Capacity: 2.2-50TPH
Production Capacity: 70-5,000 t/d
Raw Materials: Clay, mudstone, slate, gangue, coal ash, shale, sludge and industrial solid waste.
Production Processes: Crushing, batching, grinding, balling, burning, making coal powder, cooling finished products, screening and packing.
Feeding Size: ≤25-≤30mm
Discharging Size: 0.125- 0.044mm
Production Capacity: 2-176TPH
Feeding Size: 0-350mm
Processing Capacity: 60-520TPH
Applied Materials: River gravel, limestone, granite, basalt, diabase, andesite and so on.
The ‘ aggregate crushing value test gives a relative measure of the resistance of an aggregate to crushing under a gradually 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 subjected to a specified load under standardized conditions and the strength of the aggregate used in roadMore Details
Aggregate crushing value test is done the find the actual crushing value of aggregate We Need to carry out this test To find out how much resistance does the aggregate has against the surface abrasion under traffic To find out how much resistance does the aggregate can withstand under the roller during construction To determine the strength of coarse aggregate and suitability of the aggregate forMore Details
This testing method is known as an aggregate crushing value test Aggregate crushing value test 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 sieveMore Details
Aggregate crushing test is standardized by IS 2386 partIV and used to verify the crushing strength of aggregates The aggregates should be oven dried which can passes through 125mm and retained on 10mm sieve The cylindrical steel cup is stuffed in three layers of aggregateMore Details
Procedure to determine Aggregate Crushing Value i The aggregates passing through 125mm and retained on 10mm IS Sieve are ovendried at a temperature of 100 to 110 o C for 3 to 4hrs ii The cylinder of the apparatus is filled in 3 layers each layer tamped with 25 strokes of a tamping rodMore Details
Procedure for crushing strength of aggregate Before testing the aggregate should be in surface dry can achieve the dry condition of aggregate by placing aggregates in an oven for 4 hours at 100degree Celcius The aggregates passing through 125mm and retained on 10mm IS sieves are selected for finding aggregate crushing strengthMore Details
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 preferredMore Details
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 rodMore Details
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 takenMore Details
The determination of aggregate crushing strength is an important test in your civil engineering know that aggregates are the one the basic unit of building ates are used in several construction processes such as in concrete road construction etcMore Details
Aggregate used in road construction should be strong enough to resist crushing under traffic wheel loads If the aggregates are weak the stability of the pavement structure is likely to be adversely affected The strength of coarse aggregates is assessed by aggregate crushing testMore Details
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 isMore Details
Jun 27 2020 · AGGREGATE CRUSHING STRENGTH TEST Theory and Scope This is one of the major Mechanical properties required in a road stone The test evaluates the ability of the Aggregates used in road construction to withstand the stresses induced by moving vehicles in the form of crushingMore Details
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 measureMore Details
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 ofMore Details
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 groundMore Details
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 236 mm IS sieve Aggregate Crushing Value TestMore Details
NOTE 2 The standard aggregate crushing test shall be made on aggre a 125mm IS Sieve and retained on a IOmm IS Sieve If required or if tR ate passing e standard size is not available other sizes up to 25 mm may be tested but owing to the noIlchomo geneity of aggregates the results will not be comparable with those obtained in theMore Details
Los Angeles abrasion test on aggregates is the measure of aggregate toughness and abrasion resistance such as crushing degradation and disintegration This test is carried out by AASHTO T 96 or ASTM C 131 Resistance to Degradation of SmallSize Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine The aggregate used in surface courseMore Details
suitable mass of material to determine the Aggregate Crushing Value Grade of the aggregate Minimum mass of test portion Allin aggregate 40 mm max size Allin aggregate 20 mm max size Graded aggregate 40 to 5 mm Graded aggregate 20 to 5 mm Graded aggregate 14 to 5 mm 60 kg 45 kg 40 kg 25 kg 15 kg 7717 ProcedureMore Details
The test aims at looking for the forces required to produce 10 of fine values ie weight of fines aggregatesweight of all aggregates 10 This test is very similar to Aggregate Crushing Test in which a standard force 400kN is applied and fines material expressed as a percentage of the original mass is the aggregate crushing valueMore Details
The aggregate crushing value test result should not be more than 30 for the concrete used for roads and pavements and in case of other structures it may be permitted up to 45 c Standard Guidelines for Crushing Test Followings are the standard guidelines for the crushing test on aggregatesMore Details