High and New Industrial Zone, Kexue Revenue, Zhengzhou, China
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Sampling for Aggregate Crushing Value Test For the Aggregate crushing value test, an aggregate sample passing through 12.5 mm IS sieve and retained on 10mm IS sieve is selected and dried to a temperature of 105 C to 110 C then cooled to room temperature. To fill the cylindrical measure mould about 6.5 kg of a sample of aggregate is sufficient.
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Aggregate Crushing Value Test Determine Aggregate Crushing Strength. Penetration test of Bitumen. Ductility Test of Bitumen and uses for Road construction. Composition test and uses for pavement construction.
Name of the experiment Aggregate Crushing value test. 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 an aggregate to crushing under gradually applied ...
Used to determine the crushing value for the aggregate particles. Contains the standard Aggregate Crushing Value pieces. The cylinder supplied with the set is made of a heavy-duty steel to resist the impacts during the test. Includes a plunger tamping rod and a base plate.
Feb 09, 2016 In the crushing operation, stone dust is also produced. 3 Synthetic or artificial aggregates Aggregates resulting from the modification of materials, which may involve both physical and chemical changes are called synthetic or artificial aggregates. Blast furnace slag is the most commonly used artificial aggregate or lightweight aggregate.
Supply Of Aggregate Crushing Value Apparatus Conforming To Is 9376 Used For Determining The Crushing Value Of Aggregate,Vibrating table 1 m x 1 m in size can accommodate 16 numbers of 150 mm concrete cube moulds for compaction, Concrete mixer Pan typelaboratory 40 litres capacity for mixing small quantities of concrete in the laboratory, cube mould made u of cast iron of size 150mm
Aggregate Impact Tester . Our aggregate impact testers are used for determining the aggregate impact value. These instruments consist of a circular base with two vertical guides. Their hammer of weight 13.75 0.25 kg is raised to fall freely down the vertical guides and the height of fall is adjusted through 380 5mm.
Aug 15, 2019 You can refer this procedure to know more in detail about, how to perform crushing value test. Aggregate Crushing Value - Civil4M Ref IS 2386 Part IV Purpose To determine the crushing value of aggregates.
Aggregate Crushing Value. 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 12.5mm, 10mm and 2.36mm Procedure to determine Aggregate Crushing Value i...
Dec 01, 2020 The crushing strength of an aggregate was determined by means of the so-called aggregate crushing index according to PN-B-06714-40 , analogous to the British method of determining aggregate crushing value ACV according to BS 812 , but with some differences. A specimen of aggregate in a steel cylinder with an internal diameter of 150 mm was ...
For determining the water absorption of fine aggregate at saturated surface dry. Consist of Cone Brass, 40 mm i.d the top 90 mm i.d at the bottom, 75mm height. Tamper Machine steel, plated, 340 gr weight, 25 mm dia. Mixing Bowl Stainless steel, round type, 25 cm diameter. Glass Plate Glass 10 mm thick, 30 x 30 cm.
Concept and significance of the Aggregate crushing value test 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
Jan 13, 2011 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 12.5mm, 10mm and 2.36mm
Experiment No. 4 Determination of the aggregate impact value of different coarse aggregate samples. BS 812 Scope amp significance Aggregate Impact Value The aggregate impact value gives a relative measure of the toughness or the resistance of aggregate sudden shock or impact is not proportional to the resistance to a slowly applied compressive load.
Jan 31, 2015 Aggregate impact value Calculation And uses 1. Created by Shahryar amp CO. 2. This test is done to determine the aggregate impact value of coarse aggregates AIV is basically a ratio of 2.36mm sieved aggregate to 14mm aggregate sieve. The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine Sieves of sizes 14mm, 10mm and
ten percent fines aggregate crushing value. Aggregate Properties - The Idiots Guide to Highways Maintenance This test is not is not too dissimilar from the test to determine the aggregate crushing value But instead of using a standard force of 400kn, the
Crushing strength, impact value abrasion resistance, and elastic modulus of aggregate are interrelated properties that are greatly influenced by porosity. Aggregates from natural sources that are commonly used for making normal-weight concrete, are generally dense and strong therefore they are seldom a limiting factor to strength and elastic ...
Apparatus. A steel cylinder 15 cm diameter with plunger and base plate. A straight metal tamping rod 16mm diameter and 45 to 60cm long rounded at one end. A balance of capacity 3 kg readable and accurate to one gram. IS sieves of sizes 12.5mm, 10mm and 2.36mm. A compression testing machine. ...
May 17, 2019 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
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 12.5mm, 10mm and 2.36mm. Procedure to determine Aggregate Crushing Value.
May 22, 2020 The aggregate crushing value BA100 . Where, B is weight of fraction passing 2.36mm sieve A is weight of surface dry sample taken in mould. Note. The aggregate crushing value should not be more than 45 for aggregate used for concrete other than the wearing surfaces. 30 for concrete used the surfaces such as runway, roads and air field pavements.
RESULTS Aggregate crushing value of the material tested SPECIFICATION As per IS2386 part4-1963, aggregate crushing value shouldnt exceed 30 so that it is used for wearing surfaces. DETERMINATION OF AGGREGATE IMPACT VALUE AIM To determine the impact value of coarse aggregate. THEORY Toughness is the property of a material to resist impact.
The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Crushing value is a measure of the strength of the aggregate. The aggregates should therefore have minimum crushing value. 3.
Calculation of aggregate crushing value. The aggregate crushing value is defined as the ratio of the weight of fines passing through specified IS here 2.36mm sieve to the total weight of sample expressed in percentage. W1 Weigh of the total aggregates Wa-We W2 Weigh of aggregates passing through 2.36mm IS sieve. Aggregate crushing value W2 W1 100
Jan 13, 2011 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 12.5mm, 10mm and 2.36mm Procedure to determine Aggregate Crushing Value