Processing capacity:80-1932t/h
Feeding size:433-643mm
Appliable Materials: river pebble,granite,quartz,concrete,bluestone,iron ore,limestone,sandstone,rock,glass,cement clinker,basalt,pebbles,green stone, copper ore,limestone,dolomite,iron ore,cement clinker,calcite etc.
Aggregate Crushing Value = (B/A) X 100 where A = weight of oven-dried sample B = weight in 'g' of fraction passing through 2.36 mm IS sieve
Read MoreMay 05, 2010 · Aggregate crushing value = (W2 x 100) / (W1-W) W2 =Weight of fraction passing through the appropriate sieve W1-W =Weight of surface dry sample. The mean of two result to nearest whole number is the aggregate crushing value. Result The …
Read Morerange of aggregate crushing value Range Of Aggregate Crushing Value Aggregate crushing value apparatus crushing value aggregate crushing value apparatus crushing value Aggregate crushing value apparatus consists of rical container 150mm 05mm dia x 130mm to 140mm high with base plate 200 to 230 x 6mm thick a plunger of 148mm 05mm dia x 100 to 115mm high, range of aggregate crushing …
Read MoreAGGREGATE 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 – 12.5mm, 10mm and 2.36mm. Procedure to determine Aggregate Crushing Value
Read MoreAggregate impact value is the ratio of the weight of the fraction passing through 2.36 mm (weight W2) by the total weight of the sample (weight W1 + W2). Aggregate Impact Value = (W2/ (W1+W2)) * 100 = 80 gm / 300 gm = 26.67 (Impact Value) Where, W1= Weight of the fraction passing through 2.36 mm IS …
Read MoreMay 17, 2019 · 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%. Questions for Discussion. Which property of aggregates is measured by this test? How aggregate crushing value expressed?
Read MoreDepending on the type of parent rock gives the different crushing value of aggregate as a compressive strength varying from a minimum of about 45 MPa to a maximum of 545 MPa. It is a fact that parent rock compressive strength does not exactly indicate the strength of aggregate in concrete
Read MoreJan 25, 2021 · Aggregate Impact Value = (W2 / W1) * 100 Aggregate Crushing Value Acceptance Limits: For aggregate use to resist wear, Max 30 percent. For non-wearing surface, the value is 45 percent Max. Lower limits if used shall provide better performance against gradually applied compressive load. Aggregate Crushing Value Test Form
Read Morerange of aggregate crushing value Range Of Aggregate Crushing Value Aggregate crushing value apparatus crushing value aggregate crushing value apparatus crushing value Aggregate crushing value apparatus consists of rical container 150mm 05mm dia x 130mm to 140mm high with base plate 200 to 230 x 6mm thick a plunger of 148mm 05mm dia x 100 to 115mm high, range of aggregate crushing …
Read MoreAggregate Crushing Value = (B/A) X 100 where A = weight of oven-dried sample B = weight in 'g' of fraction passing through 2.36 mm IS sieve
Read MoreAGGREGATE ABRASION VALUE This test helps to determine the abrasion value of coarse aggregates as per IS: 2386 (Part IV) – 1963. The apparatus used in this test are Los Angles abrasion testing machine, IS Sieve of size – 1.7mm, Abrasive charge – 12 nos. cast iron or steel spheres approximately 48mm dia. and each weighing between 390 and 445g ensuring that the total weight of charge is
Read MoreThe common rock types range in AIV from good (basic volcanic, dolerite, quartzite. quartz gravels), through fair (granite, gravels composed of igneous or metamorphic fragments) to poor (weathered igneous rocks, clay-rich gravels). For good road stone aggregate the unconfined crushing strength should be greater than 100 N/mm 2
Read MoreThe range of values given by Shetty [46] for some natural aggregates – aggregate crushing value (12–33%) and aggregate impact value (10–34%) – signify that natural aggregates are generally stronger and more shock-resistant than periwinkle shell and cockle shell. View article. Read full article
Read MoreCrushing Value: The Aggregate Crushing Value offers a related measure of the resistance of an average to crushing under a compressive load that is gradually …
Read MoreTwo tests are required and the ten percent fines values (TFV) are averaged to obtain the final result, reported to the nearest 10 kN (for forces > 100kN)PROCEDURE - Aggregate Crushing Value (SS 1974)1. The apparatus and sample preparation is identical with …
Read MoreThe range of values given by Shetty [46] for some natural aggregates – aggregate crushing value (12–33%) and aggregate impact value (10–34%) – signify that natural aggregates are generally stronger and more shock-resistant than periwinkle shell and cockle shell. Get Detail
Read MoreThe results obtained show that ACV value for aggregates are 25.04%, 22.70%, 36.13%,and 37.89% for crushed granite, slag, hoggin (all-in aggregate), and river gravel respectively. This show that the
Read MoreThe range of values given by Shetty [46] for some natural aggregates – aggregate crushing value (12–33%) and aggregate impact value (10–34%) – signify that natural aggregates are generally stronger and more shock-resistant than periwinkle shell and cockle shell
Read MoreResults: The mean of the crushing value obtained in the two tests is reported as the aggregate crushing value. Limits: The aggregate crushing value for cement concrete pavement shall not exceed 30%. The aggregate crushing value for wearing surfaces shall not exceed 45%. Posted by SatyaPrasad at 4:26 AM
Read MoreThen crushed aggregates are then sieved through 2.36 mm sieve and weight of passing material () is expressed as percentage of the weight of the total sample () which is the aggregate crushing value. A value less than 10 signifies an exceptionally strong aggregate while above 35 would normally be regarded as weak aggregates
Read MoreAggregate crushing value test apparatus is used for measuring resistance of an aggregate to crushing. Made of Mild Steel comprising of: Cylindrical Cell, 150mm internal dia x 130 to 140mm height, Plunger, 148mm dia x 100 to 115mm height, Base Plate, 200 to 230mm square x 6mm thickness, Tamping Rod, 16mm dia x 450 to 600mm length
Read MoreVarious 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. Cylindrical Cell, 150mm internal dia x 130 to 140mm height
Read MoreThe aggregate impact value (AIV) is B AIV = × 100 (%)... (1) ARESULTSAn average is taken of the two tests and the result is recorded to the nearestwhole number as the Aggregate Impact Value.The AIV is normally about 105 per cent of the Aggregate Crushing Value and itcan be used for the same purpose
Read MoreJan 25, 2021 · The most common mechanical properties considered are strength, hardness, toughness, crushing, impact, and resistance to abrasion. Aggregate Crushing Value (ACV) IS: 2386 2016 Method of Test for Aggregates for Concrete part IV Mechanical properties (Aggregate Crushing value)
Read MoreAggregate suitable for use as pipe bedding would display a low compaction fraction, indicating it reaches a state of near full compaction under loose placement. Test Method: Crushing Value: The Aggregate Crushing Value offers a related measure of the resistance of an average to crushing under a compressive load that is gradually applied
Read MoreWeight in grams of each lest sample in the size range mm (passing and retained on square holes) No. of spheres Weight of charge gms. 80-63 63-50 50-40, 40-25 25-20 20-12.5 12.5-10 10-6.3 6.3-4.75 4.75-2.36; A---1250: ... Aggregate Crushing Value Aggregate Abrasion Value Aggregate Water Absorption
Read MoreCopyright © 2020 Fracture Mining Machinery Company All rights reserved sitemap