# significance of aggregate crushing value test

### Aggregate Crushing Value Test - Significance Test ...

Significance of Aggregate Crushing Value Test. The crushing value test is conducted on aggregates that are used for the construction of roads. Lower crushing value aggregates give much more durability for roads due to its lower crushed fraction under the compression load. The road is subjected to motion pressure continuously. So the aggregate

Get PriceEmail contact### Aggregate Crushing Value Test – Determine Aggregate ...

17/05/2019 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

Get PriceEmail contact### Aggregate Crushing Value Test -Determine Aggregate ...

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

Get PriceEmail contact### Aggregate crushing value test Step by Step Procedure ...

This test is repeated once or twice and the average crushing value of the aggregate is determined. The average crushing value in the different tests is the actual crushing value of aggregate. Important points to remember. It is recommended that the crushing value of aggregate should be less than 30%. If it is more than 30 % then 10% finer ...

Get PriceEmail contact### Aggregate Crushing Value - Civil Engineering

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) The aggregates passing through 12.5mm and retained on

Get PriceEmail contact### Importance Of Aggregate Crushing Value Test

May 27, 2014 ... aggregate crushing value test discussion - Crusher South Africa. aggregate impact value ... wikipedia discussion the importance of experiment . Read more. 3.AGGREGATE CRUSHING VALUE TEST. (IS: 2386—PART —4 ... aggregates crushing test. The aggregate crushing value provides a relative measure of resistance to crushing under a gradually applied compressive load.

Get PriceEmail contact### DETERMINATION OF AGGREGATE CRUSHING VALUE

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 of circular cross-section 16mm diameter and 45 to 60 cm long, rounded at one end. 3) A balance of capacity 3k, readable and accurate up ...

Get PriceEmail contact### What is the significance of ten percent fines value in ...

The test aims at looking for the forces required to produce 10% of fine values (i.e. weight of fines aggregates/weight 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 value.

Get PriceEmail contact### Abrasion Test Test to Determine the Abrasion Value ...

12/03/2020 Steel ball bearings in the hardness test To produce the abrasive action using standard steel balls that, when mixed with the aggregate and rotated in a drum for a specific number of revolutions, impact the aggregate.. The wear per age due to friction with steel balls is determined and is known as the abrasion value. Prepare the sample by the portion of an aggregate sample retained in the 1.70 ...

Get PriceEmail contact### Aggregate Crushing Value Test - Procedure And Result

03/10/2019 Aggregate Crushing Value Test is important to test to be performed on aggregate. The strength of aggregate parent rock is determined by preparing cylindrical shape specimens of size 25 mm diameter and 25 mm height. This cylinder is subjected to compressive stress. Depending on the type of parent rock gives different compressive strength varying from a minimum of about 45 MPa to a

Get PriceEmail contact### aggregate crushing value significance

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 road

Get PriceEmail contact### The Purpose Of Aggregate Crushing Value Test

Aggregate Crushing Value Test - Significance Test ... Significance of Aggregate Crushing Value Test The crushing value test is conducted on aggregates that are used for the construction of roads. Lower crushing value aggregates give much more durability

Get PriceEmail contact### DETERMINATION OF AGGREGATE CRUSHING VALUE

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 of circular cross-section 16mm diameter and 45 to 60 cm long, rounded at one end. 3) A balance of capacity 3k, readable and accurate up ...

Get PriceEmail contact### What is the Crushing value of Aggregates..?? - Firstalert

27/05/2020 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 12.5mm IS sieve and retained on 10 mm IS sieve. Procedure. About 6.5 Kg material consisting of aggregates passing 12.5mm IS sieve and retained on 10mm sieve is taken the aggregate in a

Get PriceEmail contact### Aggregate impact value test- step by Step Procedure

And, hence, the finally aggregate impact value is 6.97 . Significance of impact test. The procedure of determining aggregate impact value is according to IS 2386. More will the impact value more will be the strength of aggregate. The elongated and flaky aggregate has low strength as it has a higher surface area and gets more stress on it.

Get PriceEmail contact### 7 LAB TESTS ON AGGREGATE TO CHECK QUALITY FOR

12/09/2015 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 (See Fig-1). Dry aggregates passing through 12.5 mm sieves and retained 10 mm sieves are filled in a cylindrical measure of 11.5

Get PriceEmail contact### Aggregate Impact value Test Apparatus, Procedure and

01/07/2019 Aggregate Crushing Value Test – Determine Aggregate May 17, 2019; Types of Formwork (Shuttering) for Concrete April 13, 2020; 19 Types of cement – Properties and Uses in November 10, 2019; Modes of Transportation: Difference between Railway May 15, 2019; Diversion head works in irrigation- Layout and October 9, 2019; What is Shoring? Types and Uses March 28,

Get PriceEmail contact### Determination of Aggregate Impact Value - Impact

Determination of Aggregate Impact Value – Impact Test on Aggregates is done to carry out to: Determine the impact value of the road aggregates, Assess their suitability in road construction on the basis of impact value. Contents:Aggregate Impact Value on Coarse AggregatesApparatus for Aggregate Impact TestTheory of Aggregate Impact TestProcedure of Aggregate Impact

Get PriceEmail contact### Abrasion Test Test to Determine the Abrasion Value ...

Steel ball bearings in the hardness test To produce the abrasive action using standard steel balls that, when mixed with the aggregate and rotated in a drum for a specific number of revolutions, impact the aggregate.. The wear per age due to friction with steel balls is determined and is known as the abrasion value. Prepare the sample by the portion of an aggregate sample retained in the 1.70 ...

Get PriceEmail contact### aggregate crushing value significance

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 road

Get PriceEmail contact### AGGREGATE CRUSHING VALUE - iricen.gov

The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. With aggregate of aggregate crushing value 30 or higher, the result may be anomalous, and in such cases the ten percent fines value should be determined instead. 2.Apparatus Required Fig. 1: Balance Balance should be accurate upto 1 gm. Fig. 2: Sieve ...

Get PriceEmail contact### What is the Crushing value of Aggregates..?? - Firstalert

27/05/2020 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 12.5mm IS sieve and retained on 10 mm IS sieve. Procedure. About 6.5 Kg material consisting of aggregates passing 12.5mm IS sieve and retained on 10mm sieve is taken the aggregate in a

Get PriceEmail contact### How to Find Aggregate Crushing Value and Its Test

Aggregate Crushing Value and Its Test Procedure: One of the test in which concrete material can fail is due to crushing under compressive stress. Aggregate crushing test is standardized by IS: 2386 part-IV and used to verify the crushing strength of aggregates. The aggregates should be oven dried, which can passes through 12.5mm and retained on 10mm sieve. The cylindrical steel cup is stuffed ...

Get PriceEmail contact### reading of crushing value of aggregate

Aggregate Crushing Value Test - Significance Test ... The crushing value of aggregates is measured in the ratio between the crushed aggregates, obtained from the IS sieve 2.36mm and the weight of the dried aggregate sample. At least three samples should be tested from the same batch and average .

Get PriceEmail contact### 7 LAB TESTS ON AGGREGATE TO CHECK QUALITY FOR

12/09/2015 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 (See Fig-1). Dry aggregates passing through 12.5 mm sieves and retained 10 mm sieves are filled in a cylindrical measure of 11.5

Get PriceEmail contact### Stone Aggregate Testing Laboratory Sigmatest

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. Test Method: IS: 9376-1979, IS: 2386 (P-4)1963 . Drying Shrinkage: Drying shrinkage is defined as the contracting of a hardened concrete mixture due to the loss of capillary water. This shrinkage causes an increase in ...

Get PriceEmail contact### Aggregate Crushing Value Calculator, Test on course and ...

Calculate Aggregate Crushing Value. The 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 = W B W A × 100. Where, W A is weight of surface-dry sample

Get PriceEmail contact### Aggregate Impact value Test Apparatus, Procedure and

01/07/2019 Aggregate Crushing Value Test – Determine Aggregate May 17, 2019; Types of Formwork (Shuttering) for Concrete April 13, 2020; 19 Types of cement – Properties and Uses in November 10, 2019; Modes of Transportation: Difference between Railway May 15, 2019; Diversion head works in irrigation- Layout and October 9, 2019; What is Shoring? Types and Uses March 28,

Get PriceEmail contact### why aggregate crushing crushing value gmportant

Significance of Aggregate Crushing Value Test The crushing value test is conducted on aggregates that are used for the construction of roads. Lower crushing value aggregates give much more durability for roads due to its lower crushed fraction under the compression load. The road is subjected to motion pressure continuously.

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