### Discussion of experiment aggregate crushing value test

Aug 19, 2017· Aggregate crushing Value (percent)=w2/w1*100 26.43 Aggregate crushing value = W2/W1 * 100 = 771/2917 * 100 = 26.43% RECOMMENDED VALUES The suitability of aggregate is adjudged, depending on its proposed use inthe pavement layers. Specified limits of percent aggregate crushing value for different types of road construction s given bellow.

More### Aggregate Crushing Value | seperti layang layang

Feb 03, 2012· The strength of coarse aggregates is assessed by aggregates crushing test. The crushing value provides a relative measure of resistance to crushing under a gradually applied compressive load. To achieve a high quality of pavement, aggregate possessing low aggregate crushing value should be preferred.

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Aggregate Impact Test Scribd. 3 Nov 2009 , The method of test covers the procedure for determining the aggregate impact value of coarse aggregat , Discussion Chief advantage of aggregate impact test is that test equipment and the test procedure are quite simple and it , are less resistant to impact than to crushing the aggregate impact values are higher (on the average, by about 5) than the

More### Aggregate Crushing Value | sarat

Apr 10, 2012· Aggregates used in the construction, should be strong enough to resist crushing. If the aggregates are weak, the stability of the structure is likely to be adversely affected. The strength of coarse aggregates is assessed by aggregate crushing test. The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied compressive

More### 7.7 Aggregate Crushing Value and 10% Fines Value 7.7.1

number. Report the mean as the Aggregate Crushing Value, unless the individual results differ by more than 0.07 times the mean value. In this case repeat the test on two further specimens, calculate the median of the four results to the nearest whole number and report the median as the Aggregate Crushing Value. A data sheet is given as Form 7.7.1.

More### 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 aggregates are subjected to a

More### AGGREGATE CRUSHING VALUE TEST Blogger

Nov 03, 2013· The aggregate sample: The material for the standard test consists of aggregates sized 20.0mm to 25.5mm. The aggregates may be dried at heating at 100 0 -110 0 C for not moe than 4 hours and cooled at room temperature before testing,if necessary.

More### Determination of Aggregate Crushing Value | Density (2.7K

DETERMINATION OF AGGREGATE CRUSHING VALUE. AIM This method of test covers the procedure for determining the aggregate crushing value of coarse aggregate.. THEORY The aggregate crushing value gives a relative measure of the resistance of aggregate in bulk to crushing under a gradually applied compressive load. Crushing value is defined as the ratio of finess passing

More### Determination of Aggregate Crushing Value | Density (2.7K

DETERMINATION OF AGGREGATE CRUSHING VALUE. AIM This method of test covers the procedure for determining the aggregate crushing value of coarse aggregate.. THEORY The aggregate crushing value gives a relative measure of the resistance of aggregate in bulk to crushing under a gradually applied compressive load. Crushing value is defined as the ratio of finess passing

More### 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

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Determination of Aggregate Impact Value Impact Test on Aggregates is done to carry out to: Determine the impact value of the road aggregates, Assess Determination of Aggregate Impact Value – Impact Test on Aggregates is done to carry out to: Aggregate Crushing Value Test – Determine Aggregate Crushing Strength.

More### Crushing value apparatus (ACV), Aggregates testing

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.

More### Exp 4 Aggregate Impact Value Civil Engineers PK

Aggregate Impact Values, (AIV’s), below 10 are regarded as strong, and AIV’s above 35 would normally be regarded as too weak for use in road surfaces. Aggregate Impact Values and Aggregate Crushing Values are often numerically very similar, and indicate similar aggregate strength properties. Aggregate Impact Value; Test Specifications:

More### 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

More### METHOD B1 THE DETERMINATION OF THE AGGREGATE

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 subjected to crushing under a gradually applied compressive load of 400 kN. 2 APPARATUS 2.1 An

More### Aggregate crushing value of aggregates with cement

BS 812 part 110 describes a method to determine the aggregate crushing value (ACV) which gives a relative measure of the crushing resistance of aggregate under an increasing compressive load.The method is applicable to aggregates passing a 14.0 mm test sieve and retained on a 10.0 mm test sieve.

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AGGREGATE CRUSHING VALUE The Constructor. AIM To determine the aggregate crushing value of coarse aggregate. edge,care being taken in the case of weaker materials not to break the particles.the weight of the material comprising the test sample shall be

More### aggregate crushing value test report discussion malaysia

AGGREGATE CRUSHING VALUE The Constructor. AIM To determine the aggregate crushing value of coarse aggregate. edge,care being taken in the case of weaker materials not to break the particles.the weight of the material comprising the test sample shall be

More### METHOD B1 THE DETERMINATION OF THE AGGREGATE

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 subjected to crushing under a gradually applied compressive load of 400 kN. 2 APPARATUS 2.1 An

More### How to Find Aggregate Crushing Value and Its Test Procedure?

The aggregate crushing value provides a relative measure of the resistance of an aggregate to crushing under gradually applied crushing load. The aggregate crushing value test is a useful guide when dealing with aggregates of unknown performance, particularly when lower strength is suspected.

More### Determination Of Aggregate Impact Value Discussion And

AGGREGATE IMPACT TEST, TEN PERCENT FINES TEST AND AGGREGATE. DISCUSSION (a) Report the geological description of the aggregate,Determination of aggregate impact value, aggregate crushing value and ten percent fines value.. Click & Chat Now

More### Aggregate crushing value of aggregates with cement

BS 812 part 110 describes a method to determine the aggregate crushing value (ACV) which gives a relative measure of the crushing resistance of aggregate under an increasing compressive load.The method is applicable to aggregates passing a 14.0 mm test sieve and retained on a 10.0 mm test sieve.

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The crushing value gives value of hardness of aggregate when subjected to 400 kN load in accordance to BS 812: Part 3. In this test, RAP aggregate was compacted and subjected to crushing action to a degree that is dependent on the crushing resistance of the material.

More### METHOD B2 THE DETERMINATION OF THE 10 PER CENT

per cent material passing a specified sieve after crushing. The procedure described in SABS Method 842 is followed. Definition The 10 per cent Fines Aggregate Crushing Value is the force in kN required to crush a sample of -13,2+9,5mm aggregate so that 10 per cent of the total test sample will pass a 2, 36 mm sieve. 2 APPARATUS As in SABS

More### AGGREGATE IMPACT VALUE TEST-10+ IMPORTANT NOTES TO

Jul 16, 2014· Aggregate impact value test gives an indication of aggregate’s toughness property (i.e. property of a material to resist impact) Aggregate impact values are used to classify the stone aggregates with respect to toughness property as given below. Aggregate impact value (%) Toughness Properties <10 Exceptionally tough / Strong 10 – 20 Very tough / Strong []

More### Los Angeles Abrasion Pavement Interactive

Overview. The Los Angeles (L.A.) abrasion test (Figure 1) is a common test method used to indicate aggregate toughness and abrasion characteristics. Aggregate abrasion characteristics are important because the constituent aggregate in HMA must resist crushing, degradation and disintegration in order to produce a high quality HMA.. Figure 1: L.A. abrasion testing equipment.

More### AGGREGATE IMPACT VALUE (IS:2386-Part IV-1963

May 07, 2013· Objective For determination of the aggregate impact value of coarse aggregate, which passes 12.5 mm. IS sieve and retained on 10 mm. IS sieve. Reference Standards IS: 2386(Part IV)-1963 Methods of test for aggregate for concrete Part IV Mechanical Properties. Equipment & Apparatus Aggregate Impact Test Machine Sieves (12.5mm,10mm) Cylindrical metal measure Tamping Rod

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