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DETERMINATION OF AGGREGATE CRUSHING VALUE 1. AIM 1) To determine the aggregate crushing value of coarse aggregates ... Sieve the material through 12.5 mm and 10.0 mm IS sieve. The aggregates passing ... The mean of the two results shall be reported to the nearest whole number as the 'aggregate crushing value' of the size of the material ...

Manufacturer of Aggregate Testing Equipments - Gyratory Sieve Shaker, Aggregate Crushing Value Apparatus, Aggregate Impact Tester and Buoyancy Balance offered by GlobeTrek Engineering Corporation, Mumbai, Maharashtra.

The crushing test on aggregate gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load. If the aggregate crushing value is less than 10, it signifies an exceptionally strong aggregate. Whereas, if the crushing value is 35 or above, it would normally be considered as weak aggregates.

IS 2386-4 (1963): Methods of test for aggregates for concrete, Part 4 ... shall consist of aggregate passing a 12.5-mm IS Sieve and retained on a ... 70 the nearest whole number as the ''aggregate crushing value'' of the size ob.

The sample is then sieved on 2.36 mm IS sieve until no further significant amount passes in one minute. The fraction passing the sieve is weighed to nearest accuracy of 0.1g (W2) The crushed aggregates (W2) is expressed as % of the total weight of sample (W1), which is the crushing value of the aggregate. Aggregate crushing value = (W1/W2)*100

The standard aggregate impact test shall be made on aggregate passing a 14.0 mm BS test sieve and retained on a10.0 mm BS test sieve. If required, or if the standard size is not available, smaller sizes may be tested but owing to the non-homogeneity of aggregates the results are not likely to be the same as those obtained from the standard size.

according to IS 2386 (Part iv)-1963 aggregate crushing value is designed for only for IS Sieves of sizes – 12.5mm, 10mm and 2.36mm, for 20mm and 10mm coarse aggregate we need to take different ranges of sieves, then cylinders size will also changes….

Any Concrete work before must be Test on aggregate because of sure working quality of Concrete. Difference type of test no aggregates. as per below tests point out of aggregate tests Sampling of Aggregate Tests Aggregate Crushing Value Impact Value of Coarse Aggregate Sieve Analysis Test of Coarse Aggregates Flakiness Index of Aggregate Elongation Index […]

Jan 04, 2014· Definition of ACV: Aggregate Crushing Value (ACV) gives an relative measure how the aggregate act under an gradually acting compressive load. Sieve Size: ACV is applicable for aggregates passing 14.0 mm sieve and retained on 10.00 mm sieve. For other size fractions methods are described in th respective codes.

The material for the standard test shall consist of aggregate passing a 12.5-mm IS Sieve and retained on a 10-mm IS Sieve, and shall be thoroughly separated on these sieves before testing. ... The mean of the two results shall be reported to the nearest whole number as the 'aggregate crushing value' of the size of material tested ...

Feb 03, 2012· Figure 3.3: Sieve size 2.36mm. ... So we can conclude that the aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. The aggregate are mild tough to have the resistance pressure under traffic wheel loads such as car, lorry, motorcycle and etc.

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 ...

Fineness modulus of coarse aggregates represents the average size of the particles in the coarse aggregate by an index number. It is calculated by performing sieve analysis with standard sieves. The cumulative percentage retained on each sieve is added and subtracted by 100 gives the value of fine aggregate.

Step-11 : Sieve the crushed aggregate through 2.36 mm IS sieve and weigh the fraction passing through it to an accuracy of 0.1 gram. This fraction is a measure of loss of material due to crushing. The mean value of two samples, rounded to nearest whole number is taken as the aggregate crushing value. Observation and Calculation

The terminology used to specify size of coarse aggregate must be chosen carefully. Particle size is determined by size of sieve and applies to the aggregate passing that sieve and not passing the next smaller sieve. When speaking of an assortment of particle sizes, the size number (or grading size) of the gradation is used.

Apr 25, 2019· Aggregate 10 % Ten percent fines value test procedure of coarse aggregate is required to find out the resistance of coarse aggregate to crushing. We described the test procedure of 10% Ten percent fines value of coarse aggregate as per IS code with 10% Ten percent fines value …

determining the percentage of the material crushed finer than a specified size. Definition The aggregate crushing value (ACV) of an aggregate is the mass of material, expressed as a percentage of the test sample. which is crushed finer than a 2,36 mm sieve when a sample of aggregate passing the 13,2 mm and retained on the 9,50 mm sieve is ...

Jan 27, 2019· The crushing value of aggregate is very important to know the strength of the aggregate. For finding the resistance of aggregate under gradually applied compressive load, the crushing value test of aggregate is done. For the crushing value …

In case standard size aggregate i.e., aggregate particles passing 12.5 mm sieve and retained on 10 mm sieve is not available, then available aggregate upto 25 mm size can be tested. In this case material should be sieved on sieves shown in Table 4.7. For measuring the sample, cylinder of 11.5 cm diameter and 18 cm height may be used.

Aggregate Crushing Value - Civil Engineering. Procedure to determine Aggregate Crushing Value i) The aggregates passing through 12.5mm and retained on 10mm IS Sieve are oven-dried at a temperature of 100 to 110 o C for 3 to 4hrs.

This paper studied the effect of aggregate properties on the crushing strength of concrete. In order to achieve the study objective, three types of coarse aggregates, brick khoa, shingles stone, and black stone were used to test. And the test results show that concrete made from black stone has the highest workability followed by shingles stone & brick khoa of aggregates.

7.7 Aggregate Crushing Value and 10% Fines Value 7.7.1 Aggregate Crushing Value (ACV) ... produce 3 specimens of 14 mm to 10mm size fractions. b) Sieve the entire dried test portion on the 14mm and the 10mm test sieve to remove ... All-in aggregate 40 mm max. size All-in aggregate 20 mm max. size Graded aggregate 40 to 5 mm

Concrete Aggregates – Function, Properties . Size: The maximum size of aggregate is conventionally designated by the sieve size on which 15 percent or more particles are retained. In general, the larger the maximum aggregate size, the smaller will be the surface area …

sieve size aggregate crushing value - watersportloketnl. Objective For determination of the aggregate crushing value of coarse aggregate, which passes 125 mm IS sieve and retained on 10 mm IS sieve Reference Standard IS: 2386 (Part IV)-1963 Methods of test for aggregate for concrete Part IV Mechanical Properti

Procedure to determine Aggregate Crushing Value i) The aggregates passing through 12.5mm and retained on 10mm IS Sieve are oven-dried 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 rod. iii) The weight of aggregates is measured (Weight ...

The sample is now sieved on 2.36 mm sieve and the fraction passing through the sieve is weighed (W2). Aggregate Crushing Value (ACV) = Aggregate Impact Value Test : This test gives the Aggregate Impact Value (AIV), which is an index of the resistance of aggregate to sudden shock or impact.

Jul 07, 2014· According to size the aggregates are classified as: Fine Aggregate Coarse Aggregate All in Aggregate Fine Aggregate It is the aggregate most of which passes 4.75 mm IS sieve and contains only so much coarser as is permitted by specification. According to source fine aggregate may be described as: Natural Sand– it is the aggregate […]

Oct 26, 2016· One of the model in which pavement material can fail is by crushing under compressive stress. A test is Standardized by IS:2386 part-IV and used to determine the crushing strength of aggregates. The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied crushing load.

3.9 Density and Water Absorption of Aggregates Retrieved on a 4.75 mm Sieve ASTM C127-88 3.10 Density and Water Absorption of Aggregates Passing the 4.75 mm Sieve ASTM C128-88 3.11 Calibration of Glass Pycnometers (0.5-1 litre) NPRA 014 test 14.5922

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