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• ## Aggregate impact value test- step by Step Procedure with ...

Now, the final report of aggregate impact value is calculated as, Final report of aggregate impact value test. Weight of oven dried aggregate sample (A) = 332.8 gm. Weight of fraction (dust) of aggregate passing through 2.36 mm sieve (B) = 23.2 gm. Aggregate impact value,

• ## Aggregate Impact Value Test, Procedure, Result Standards

Aggregate impact value is the ratio of the weight of the fraction passing through 2.36 mm (weight W2) by the total weight of the sample (weight W1 + W2). Aggregate Impact Value = (W2/ (W1+W2)) * 100 = 80 gm / 300 gm = 26.67 (Impact Value) Where, W1= Weight of

• ## Impact Value Test of Aggregate - Procedures, Theory ...

To determine the aggregate impact value. APPARATUS REQUIRED. 1. An impact testing machine weighing between 45kgs to 60 kgs with a metal base. 2. A cylindrical steel cup having an internal diameter of 102mm, depth of 50mm and thickness of 6.3mm. 3. A metal hammer with the cylindrical lower end and weighing 13.5 to 14kgs.

• ## Aggregate Impact Value - Civil Engineering

The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine conforming to IS: 2386 (Part IV)- 1963,IS Sieves of sizes – 12.5mm, 10mm and 2.36mm, A cylindrical metal measure of 75mm dia. and 50mm depth, A tamping rod of 10mm circular cross section and 230mm length, rounded at one end and Oven.

• ## Aggregate Impact value Test Apparatus, Procedure and uses ...

The ‘ Aggregate Impact Value’ is the mean of two observations, rounded to a nearest whole number. Precautions. Place the plunger centrally so that it falls directly on the aggregate sample and does not touch the wall of the cylinder in order to ensure that the entire load is transmitted on the aggregates.

• ## IMPACT VALUE OF AGGREGATE

The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some aggregates differs from its resistance to a slow compressive load. 2.Apparatus Required Fig. 1: Balance Balance should be accurate upto 1 g Fig. 2: Sieves Seives required are 12.5, 10.0 and 2.36 mm Fig. 3: Impact ...

• ## 7.6 Aggregate Impact Value 7.6.1 Scope.

which is dependent on the aggregate’s impact resistance. This degree is assessed by a sieving test on the impacted specimen and is taken as the aggregate impact value. 7.6.3 Sampling. The sample used for this test shall be taken in accordance with Chapter 2. 7.6.4 Equipment 7.6.4.1 Impact

• ## Impact Test on Aggregates - GharPedia

Aggregate impact value (The value of aggregate impact test) = (W1/W2)*100. The value of aggregate impact test should not be more than 45% by weight of aggregates, used for concrete other than wearing surface. An impact value 35% is permissible for the bituminous macadam. Maximum permissible impact value for the water bound macadam is 40%.

• ## Determination of Aggregate Impact Value - Impact Test on ...

The aggregate impact value is a measure of resistance to sudden impact or shock, which may differ from its resistance to gradually applied compressive load. Procedure o f Aggregate Impact Test The test sample consists of aggregates sized 10.0 mm 12.5 mm. Aggregates may be dried by heating at 100-110° C for a period of 4 hours and cooled.

• ## Exp 4 Aggregate Impact Value - Civil Engineers PK

Experiment No. 4: Determination of the aggregate impact value of different coarse aggregate samples. (BS 812) Scope 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.

• ## Exp 4 Aggregate Impact Value - Civil Engineers PK

Experiment No. 4: Determination of the aggregate impact value of different coarse aggregate samples. (BS 812) Scope 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.

• ## Aggregate Impact Value Testing AIV TEST Civil ...

Jan 09, 2018  The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some aggregates differs from Its resistance to a slow compression load. The Indian Standard CODE IS 2386 (Part IV) – 1963 is used for procedure and classification of aggregate by result.

• ## Aggregate Impact Value Test - Procedure Uses - [Civil ...

This test is performed to ensure the aggregate toughness, which is used in road construction to work as a base layer, sub-base layer. How do you calculate the aggregate impact value? The impact value is measured in the ratio between the sieved aggregate of 10mm 2.36mm aggregates. The aggregate impact value test will be conducted as per the ...

• ## Aggregate Impact - an overview ScienceDirect Topics

The aggregate impact value should not exceed 45% by weight of the aggregate for concrete other than the wearing surface. The aggregate impact value should not exceed 30% by weight for a concrete wearing surface, such as runways, roads, pavements, and floors [10], IS: 2386 (Part 4) Average impact value of steel slag is 13.90%

• ## lab sheet fines value of aggregate - Jack Higgins

Sep 12, 2015 The crushed aggregate is allowed to pass through mm IS sieve. And the impact value is measured as percentage of aggregates passing sieve (W2) to the total weight of the sample (W1). Aggregate impact value = (W1/W2)*100. Aggregates to be used for wearing course, the impact value shouldn’t exceed 30 percent. Read 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 []

• ## Aggregate Impact Value test – we civil engineers

Jan 23, 2018  AIM: To determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) - 1963. APPARATUS: i) Impact testing machine conforming to IS: 2386 (Part IV) - 1963 ii) IS Sieves of sizes - 12.5mm, 10mm and 2.36mm iii) A cylindrical metal measure of 75mm dia. and 50mm depth iv) A tamping

• ## Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993 ...

The aggregate impact value is the measure of resistance to sudden impact of shock, which may differ from its resistance to gradually applied compressive load. Equipments. The apparatus as per IS 2386 (Part-IV) 1993 consist of,

• ## Aggregate Impact Value Calculator, Test on course and Fine ...

Aggregate Impact Value = W B W A × 100. Where, W A is Weight of oven-dried sample; W B is Weight of fraction passing through 2.36-mm IS Sieve; Reporting of Results. The mean of the two results shall be reported to the nearest whole number as the aggregate impact value of the tested material.

• ## Impact Test on Aggregates - GharPedia

Aggregate impact value (The value of aggregate impact test) = (W1/W2)*100. The value of aggregate impact test should not be more than 45% by weight of aggregates, used for concrete other than wearing surface. An impact value 35% is permissible for the bituminous macadam. Maximum permissible impact value for the water bound macadam is 40%.

• ## What is aggregate impact value? - Quora

Aggregates Impact Test: [Conforming to IS : 2386 – Part 4(1963)] With respect to concrete aggregates toughness is also consider. The resistance of the material to failure by impact is known as toughness. The aggregates should therefore have suffic...

• ## Civil Engineering Notes: Aggregate Impact Value Test

Sep 04, 2013  This percentage is known as the aggregate impact value and more the aggregate impact value less is the toughness of the road aggregates and vice verse. If impact value is less than 10% then aggregate is said to be exceptionally strong, if it is in range of 10 to 20% then they are good, aggregates having impact value less than 35% are considered ...

• ## AGGREGATE IMPACT VALUE (IS:2386-Part IV-1963) - CivilBlog.Org

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

• ## Aggregate Impact Value Test Apparatus at Rs 1000/piece ...

Aggregate Impact Value Test Apparatus is used for determining the aggregate impact value. The Sturdy Construction consists of a base and support columns to form a rigid framework around the quick release trigger mechanism to ensure an effective free fall of the hammer during test.

• ## Aggregate Impact Value Test - Procedure Uses - [Civil ...

This test is performed to ensure the aggregate toughness, which is used in road construction to work as a base layer, sub-base layer. How do you calculate the aggregate impact value? The impact value is measured in the ratio between the sieved aggregate of 10mm 2.36mm aggregates. The aggregate impact value test will be conducted as per the ...

• ## Aggregate Impact Value Calculator, Test on course and Fine ...

Aggregate Impact Value = W B W A × 100. Where, W A is Weight of oven-dried sample; W B is Weight of fraction passing through 2.36-mm IS Sieve; Reporting of Results. The mean of the two results shall be reported to the nearest whole number as the aggregate impact value of the tested material.

• ## Aggregate Impact Value Test Apparatus at Rs 1000/piece ...

Aggregate Impact Value Test Apparatus is used for determining the aggregate impact value. The Sturdy Construction consists of a base and support columns to form a rigid framework around the quick release trigger mechanism to ensure an effective free fall of the hammer during test.

• ## lab sheet fines value of aggregate - Jack Higgins

Sep 12, 2015 The crushed aggregate is allowed to pass through mm IS sieve. And the impact value is measured as percentage of aggregates passing sieve (W2) to the total weight of the sample (W1). Aggregate impact value = (W1/W2)*100. Aggregates to be used for wearing course, the impact value shouldn’t exceed 30 percent. Read More

• ## Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993 ...

The aggregate impact value is the measure of resistance to sudden impact of shock, which may differ from its resistance to gradually applied compressive load. Equipments. The apparatus as per IS 2386 (Part-IV) 1993 consist of,

• ## What is aggregate impact value? - Quora

Aggregates Impact Test: [Conforming to IS : 2386 – Part 4(1963)] With respect to concrete aggregates toughness is also consider. The resistance of the material to failure by impact is known as toughness. The aggregates should therefore have suffic...

• ## Civil Engineering Notes: Aggregate Impact Value Test

Sep 04, 2013  This percentage is known as the aggregate impact value and more the aggregate impact value less is the toughness of the road aggregates and vice verse. If impact value is less than 10% then aggregate is said to be exceptionally strong, if it is in range of 10 to 20% then they are good, aggregates having impact value less than 35% are considered ...

• ## Aggregate Impact Value Testing Machine, Capacity: 450 Kn ...

The aggregate impact value of coarse aggregate provides a relative measure of the resistance of an aggregate to sudden shock or impact. The oven dried and accurately weighed aggregates are subjected to a total of 15 blows of specified weight and fall and percentage of fines formed in terms of the total weight of the sample is expressed as the aggregate impact value.

• ## Determination of Aggregate Impact Value - CivilArc

Jan 12, 2017  The aggregate impact value is a calculation of the resistance to abrupt impact, bang or shock, which may vary from its resistance to steadily, applied compressive weight. Procedure: The test specimen includes the aggregates of size ranging from 10.0 mm 12.5 mm. Aggregates can be dehydrated by warming them at temperatue of 100-110° C for a ...

• ## AGGREGATE IMPACT VALUE (IS:2386-Part IV-1963) - CivilBlog.Org

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

• ## Aggregate Impact Tester,Impact Testing Machines,Impact ...

This Apparatus is used to determine aggregate impact value of coarse aggregate. The hammer of the tester fall freely from 380 mm height on coarse aggregate for 15 times/15 sec.the crushed aggregate removed from the cup ,then sieved and weighed. The % ratio of the weight passing 2.36mm sieve and weight of oven dried sample is Aggregate Impact value.

• ## Aggregate Impact Value Apparatus constructionetail

The 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.

• ## Aggregate Impact value test procedure - Civil4M

Mar 27, 2020  The aggregate impact values are higher (on the average, by about 5) than the aggregate crushing values. Various agencies have specified the maximum permissible aggregate impact values for the different types of pavements, those recommended by the Indian Roads congress are given in Table 1.

• ## DETERMINATION OF AGGREGATE IMPACT VALUE - YouTube

Dec 07, 2017  Aggregate Impact Value Test as per IS Code 2386 part4, hardness test of aggregate - Duration: 11:02. Primitive Survival Technology 29,412 views. 11:02.

• ## Civil Engineering Notes: Aggregate Impact Value Test

Sep 04, 2013  This percentage is known as the aggregate impact value and more the aggregate impact value less is the toughness of the road aggregates and vice verse. If impact value is less than 10% then aggregate is said to be exceptionally strong, if it is in range of 10 to 20% then they are good, aggregates having impact value less than 35% are considered ...

• ## Aggregate Impact Value Test Apparatus at Rs 1000/piece ...

Aggregate Impact Value Test Apparatus is used for determining the aggregate impact value. The Sturdy Construction consists of a base and support columns to form a rigid framework around the quick release trigger mechanism to ensure an effective free fall of the hammer during test.

• ## Aggregate Impact Value Apparatus constructionetail

The 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.

• ## Aggregate Impact value test procedure - Civil4M

Mar 27, 2020  The aggregate impact values are higher (on the average, by about 5) than the aggregate crushing values. Various agencies have specified the maximum permissible aggregate impact values for the different types of pavements, those recommended by the Indian Roads congress are given in Table 1.

• ## AGGREGATE IMPACT VALUE (IS:2386-Part IV-1963) - CivilBlog.Org

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

• ## Determination of Aggregate Impact Value - CivilArc

Jan 12, 2017  The aggregate impact value is a calculation of the resistance to abrupt impact, bang or shock, which may vary from its resistance to steadily, applied compressive weight. Procedure: The test specimen includes the aggregates of size ranging from 10.0 mm 12.5 mm. Aggregates can be dehydrated by warming them at temperatue of 100-110° C for a ...

• ## Aggregate Impact Value Testing Machine, Capacity: 450 Kn ...

The aggregate impact value of coarse aggregate provides a relative measure of the resistance of an aggregate to sudden shock or impact. The oven dried and accurately weighed aggregates are subjected to a total of 15 blows of specified weight and fall and percentage of fines formed in terms of the total weight of the sample is expressed as the aggregate impact value.

• ## Aggregate Impact Tester,Impact Testing Machines,Impact ...

This Apparatus is used to determine aggregate impact value of coarse aggregate. The hammer of the tester fall freely from 380 mm height on coarse aggregate for 15 times/15 sec.the crushed aggregate removed from the cup ,then sieved and weighed. The % ratio of the weight passing 2.36mm sieve and weight of oven dried sample is Aggregate Impact value.

• ## Aggregate impact and - LinkedIn SlideShare

Feb 08, 2012  The aggregate impact value indicates a relative measure of the resistance of an aggregate to a sudden i ishock or an impact, which in some aggregates differs from its resistance to a slow compressive load. The ~ Imethod of test covers the procedure for determining the aggregate impaet value of coarse aggregates.Apparatus The apparatiis consists ...

• ## Standard Test Methods for Determination of the Impact ...

5.1 Impact Value, as determined using the standard 4.5 kg (10 lbm) hammer, has direct application to design and construction of pavements and a general application to earthworks compaction control and evaluation of strength characteristics of a wide range of materials, such as soils, soil aggregates, stabilized soil and recreational turf. Impact Value is one of the properties used to evaluate ...

• ## 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.

• ## (PDF) AGGREGATE IMPACT TEST - ResearchGate

A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

• ## PROPERTIES AND TESTING OF AGGREGATES FOR PAVEMENT

Aggregate abrasion value = {(W1-W2)/W2} x 100%. Impact Test on Aggregates. Impact value of aggregate will give aggregate capability against sudden loads or forces. For this test also aggregate passing through 12.5mm and retained on 10mm sieve is taken and oven dried. Fill the cylinder with aggregate in 3 layers, 25 strokes of tamping for each ...

• ## Aggregate Crushing Value Significance - FTMLIE Heavy Machinery

Determination of Aggregate Impact Value Impact Test. The aggregate impact value is a measure of resistance to sudden impact or shock which may differ from its resistance to gradually applied compressive load Procedure o f Aggregate Impact Test The test sample consists of aggregates sized 100 mm 125 mm Aggregates may be dried by heating at ...