Aggregate Crushing Value Testing Method YouTube
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The apparatus of the aggregate crushing value test as per IS: 2386 (Part IV) – 1963 consists of: 1) A 15cm diameter open ended steel cylinder with plunger and base plate, of the general form and dimensions as shown in Fig 1. 2) A straight metal tamping rod .
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restricted areas the in situ dry density of gravel material shall comply wuth the requirements in the project specifications. 10% fines aggregate crushing value (10% FACT), determined in accordance with TMH1 method B2, shall be not less than the appropriate value in table 3602/2, column 3. The Aggregate Crushed Value (ACV),
The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied crushing load. The test consists of subjecting the specimen of aggregate in standard mould to a compression test under standard load conditions (Figure 1). Dry aggregates passing through mm sieves and retained 10 mm sieves are filled ...
UTA0640 Aggregate Crushing Value (ACV) Set Ø 75 mm BS The Aggregate Crushing Value (ACV) Test Set measures how resistant an aggregate is, when being crushed under a gradually applied compressive load. Each set consists of steel cylinder, plunger, .
"Aggregate Crushing values is a relative resistance of aggregates to crushing under gradually applied compressive load" In situations, when aggregate value 30 or higher the result may be a mistake and in such cases, the "ten percent fines value" should be determined and used instead.
May 05, 2010· Calculation of Aggregate Crushing Value The ratio of weight of fines formed to the weight of total sample in each test shall be expressed as a percentage, the result being recorded to the first decimal place. Aggregate crushing value = (W2 x 100) / (W1W) W2 =Weight of fraction passing through the appropriate sieve
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 measure.
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.
Aggregate crushing Value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Ten Percent Fines Value used for testing aggregate smaller than 10 mm. Comprises: 150 mm or 75mm .
Mar 15, 2018· The aggregate crushing value shall not exceed 30% for aggregate used for wearing surfaces such as runways, roads, and pavements. Aggregate Impact Value The aggregate impact value shall not exceed 45% by weight of aggregate used for concrete other than for wearing surface.
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 –, 10mm and Procedure to determine Aggregate Crushing Value
an aggregate to crushing under the applied compressive load. In other word is a value which indicates the ability of an aggregate to resist crushing. It is used to determine the crushing value of a given road aggregate also it is used to assess the suitability of aggregate for use in different road pavement.
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 IS sieve and retained on 10 mm IS sieve. Procedure. About Kg material consisting of aggregates passing IS sieve and retained on 10mm sieve is ...
Aggregate impact value is the ratio of the weight of the fraction passing through mm (weight W2) by the total weight of the sample (weight W1 + W2). Aggregate Impact Value = (W2/ (W1+W2)) * 100 = 80 gm / 300 gm = (Impact Value)
aggregate crushing value of coarse aggregate. NOTE 1 The ''aggregate crushing value'' gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. With aggre gate of ''aggregate crushing value'' 30 or .
Specifications and the current Supplemental Specifications. The specifications for aggregates are detailed in Section 904 and other sections for the various types of construction. These specifications are to be followed when inspecting aggregates. There are two general types of requirements for aggregate: quality and gradation.
The crushing value of aggregates is measured in the ratio between the crushed aggregates, obtained from the IS sieve and the weight of the dried aggregate sample. At least three samples should be tested from the same batch and average value to get accurate results. The crushing value of aggregate = (W2/W1) x 100
Specification: 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
IS: 1. SCOPE This standard covers requirements of the apparatus for measuring aggregate crushing value and ten percent fines value. Two sizes of apparatus are covered in this standard, one with 150 mm cylindrical cell and the other with 75 mm cylindrical cell. 2.
Calculation of Aggregate Crushing Value. The crushing value of aggregates is measured in the ratio between the crushed aggregates, obtained from the IS sieve and the weight of the dried aggregate sample. At least three samples should be tested from the same batch and average value to get accurate results.
Coarse and fine aggregate shall be clean and free from decomposed materials, vegetable matter and other deleterious substances and shall meet the requirements of COLTO Sections 3600 and 4300. (i) Resistance and crushing The aggregate crushing value (ACV) of the coarse aggregate,
Contains the standard Aggregate Crushing Value pieces. The cylinder supplied with the set is made of a heavyduty steel to resist the impacts during the test. Includes a plunger; tamping rod and a base plate. Download PDF. Technical Specifications. Search our website. Other Aggregate Products. Abrasion Tester for Natural Stone and Concrete ...