aggregate impact value aiv  search results

aggregate impact value aiv search results

AIV Lab Report - AGGREGATE IMPACT VALUE INTRODUCTION ...

The Aggregate Impact Value (AIV) (M2/M1)x100 19.17 % 23.17 %. AIV = M2/M1 * 100%. Average aggregate impact value of the sample is 21.17 %. DISCUSSION 1. Give the impact value of a good aggregate to ensure the strength of the. aggregate used in road construction. -Aggregate impact value is measure of toughness of aggregate.

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(PDF) DETERMINATION OF AGGREGATE IMPACT VALUE (AIV)

Observations and Calculations Calculate the aggregate impact value (AIV) expressed as a percentage to the first decimal place for each test specimen from the following equation: 𝑀2 (𝐴𝐼𝑉) = × 100 𝑀1 Where M 1 is the mass of the test specimen (in g); M 2 is the mass of the material passing the 2.36 mm test sieve (in

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Methods for determination of aggregate impact value (AIV ...

aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact. Two procedures are described, one in which the aggregate is tested in a dry condition, and the other in a soaked condition. The methods are applicable to aggregates passing at 14.0 mm test sieve and

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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.

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(DOC) AGGREGATE IMPACT VALUE TEST hong g.woei -

2.0 THEORY 2 Basically the Aggregate Impact Value (AIV) is the percentage of fines produced from the aggregate sample after subjecting it to a standard amount of impact. The standard amount of impact is produced by a known weight, i.e. a steel cylinder, falling from a set height, a prescribed number of times, onto of aggregate of a standard ...

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Aggregate Impact Value test – we civil engineers

Jan 23, 2018  Aggregate Impact Value test determines the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact. Resistance of the aggregates to impact is termed as toughness. Aggregates used in the pavement should be able to resist the effect caused by the jumping of the steel ...

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DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.

Dec 15, 2017  Aggregate Impact Value (AIV) is the percentage of fines produced from the aggregate sample after subjecting it to a standard amount of impact. The standard amount of impact is produced by a known weight, i.e. a steel cylinder, falling a set height, a prescribed number of times, onto an amount of aggregate of standard size and weight retained in ...

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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

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(Aggregate Impact Value) - M.Ridho's Blog---------------------

Jan 29, 2012  Nilai agregat impact value (AIV) adalah persentase perbandingan antara agregat yang hancur dengan jumlah sampel yang ada. Agregat yang hancur dinyatakan dengan jumlah agregat yang lolos saringan 2,36 mm. menurut british standart agregat yang mempunyai nilai AIV 30 % dikatakan tidak normal dan nilai AIV yang besar dari ini menunjukkan jumlah agregat yang hancur cukup banyak,

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Aggregate Impact Value (AIV) Test Machine - Mechanical and ...

The Aggregate Impact Value Testing Apparatus, meets with BS 812, it is robustly designed to determine the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact. The counter fitted to the machine automatically records the number of blows delivered to the sample ...

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Aggregate Impact Value - Civil Engineering Portal ...

Sep 14, 2008  AGGREGATE IMPACT VALUE This test is done to determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) – 1963. 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 []

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Methods for determination of aggregate impact value (AIV ...

aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact. Two procedures are described, one in which the aggregate is tested in a dry condition, and the other in a soaked condition. The methods are applicable to aggregates passing at 14.0 mm test sieve and

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Determination of aggregate impact value (AIV) of given ...

Feb 13, 2020  Determination of aggregate impact value (AIV) of given aggregate sample (BS-812) Significance: Aggregates used in the construction of roads should be strong enough to resist crushing under traffic wheel loads. It gives relative measure of the resistance of an aggregate to sudden shock or impact.

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Everything you should know about the Aggregate Impact ...

Jun 22, 2014  The aggregate impact value is expressed as the percentage of the fines formed w.r.t the total weight of the sample. Aggregate Impact Value (AIV) = (100*M2)/M1. Where: M1 =Mass of the test specimen. M2 = Mass of the test specimen passing 2.36 mm test sieve.

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Aggregate Impact - an overview ScienceDirect Topics

A small portion of 14–10 mm sized coarse aggregate particles is confined in a steel pot and subjected to 15 blows by a small hammer in a standardised test rig, after which the ‘ aggregate impact value’ (AIV) is determined from the fine material generated, expressed as a percentage of the original weight of the test portion (BS 812: Part ...

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A Study on The Relationship between Aggregate Impact ...

Aggregate Impact Value (AIV) is another index parameter that can be used to measure the hardness of the rocks or crushed stones. Both these LAAV and AIV tests indicate the fracturing resistance of crushed rocks under impact loads. The objective of this research is to find out the relationship between AIV and LAAV of the best rock material,

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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. . apparatus required. Fig. 1: Balance. Balance should be accurate upto 1 g.

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Coarse Aggregate Testing - NBRRI

AGGREGATE IMPACT VALUE (AIV) This test provides a relative measure of the resistance of coarse aggregate to sudden shock or impact. Figure 2. 7: Aggregate impact value apparatus. AGGREGATE CRUSHING VALUE (ACV) This test provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load.

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

Procedure. Step 1 – First, the aggregate sample sieve through 12.5mm sieve and collect it which is retained in 10 mm sieve. Step 2 – Now, the sample should be dried through the oven up to 4 hours at 100 deg to 110 deg. Step 3 – Then, the aggregate sample should be filled in the metal cup by 3 layers. Each layer should be tamped 25 times by the tamping rod.

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DETERMINATION OF AGGREGATE IMPACT VALUE - YouTube

Dec 08, 2017  In this video , we will see the procedure of determining aggregate impact value as per IS 2386 PART4.

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objective aggregate crushing value test

Aggregate impact and crushing test - SlideShare The aggregate impact value (AIV) is B AIV = × 100 (%) (1) ARESULTSAn average is taken of the two tests and the result is recorded to the nearestwhole number as the Aggregate Impact ValueThe AIV is normally about 105 per cent of the Aggregate Crushing Value and itcan be used for the same purpose...

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Aggregate Impact Value - How is Aggregate Impact Value ...

Aggregate Impact Value (AIV): It is a relative measure of resistance to crushing of an aggregate when it is subjected to repetitive and impact loads and is calculated using Equation 1. PERFORMANCE STUDY OF LOCALLY AVAILABLE COARSE AGGREGATES OF AZAD KASHMIR.

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Aggregate Impact Value (AIV) ELE International

Aggregate Impact Value (AIV) The apparatus has been designed in a particularly heavy duty form, with specially hardened steel surfaces for minimum wear. The assembly is heavily plated to ensure corrosion resistance and forms a rigid frame around the quick-release trigger mechanism which ensures an effective free fall of the hammer when released ...

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Aggregate Impact Test » Engineering Basic

Mar 21, 2018  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. Aggregate Impact Value {AIV} • AIV is the percentage of fines produced from the aggregate sample subjecting it to a standard amount of impact.

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A Study on The Relationship between Aggregate Impact ...

Jul 30, 2008  Reading: A Study on The Relationship between Aggregate Impact Values (AIV) and Los Angeles Abrasion V... Share: Download. PDF (EN) A-A+. View Harvard Citation Style; View Vancouver Citation Style; View APA Citation Style; Alt. Display. Section II A Study on The Relationship between Aggregate Impact Values (AIV) and Los Angeles Abrasion Values ...

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Aggregate Impact Value (AIV) Apparatus - TESTMAK

Standards. BS 812:112. General Description. The Aggregates Impact Value (AIV) Apparatus is used to determine the aggregate impact value which provides a relative measure of the resistance of an aggregate to sudden shock or impact. The counter fitted to the machine automatically records the number of blows delivered to the sample.

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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. . apparatus required. Fig. 1: Balance. Balance should be accurate upto 1 g.

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Impact and Crushing Value - PCTE

UTA-0650. The Aggregate Impact Value Testing Apparatus is robustly designed to determine the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact. The number of blows delivered to the sample is automatically documented by the counter that is fitted to the machine.

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Aggregate impact and crushing test - SlideShare

Feb 08, 2012  The aggregate impact value (AIV) is B AIV = × 100 (%) . . . (1) A RESULTS An average is taken of the two tests and the result is recorded to the nearest whole number as the Aggregate Impact Value. The AIV is normally about 105 per cent of the Aggregate Crushing Value and it can be used for the same purpose.

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The advantages of aggregates impact test are that the test ...

(Chin) Aggregate Impact Value Test (AIV) is used to determine the impact value of coarse aggregate. The impact value was determined by finding the percentage loss of weight particles passing 2.36mm sieve with 15 blows of standard hammer drop. Besides, the test also provides a relative measure of the resistance of an aggregate on sudden shock or ...

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Mechanical Properties of Coarse Aggregates for Concrete ...

Jan 25, 2021  AIV shall be calculated as below: Aggregate Impact Value = (W2 / W1) * 100 Aggregate Crushing Value Acceptance Limits: For aggregate use to resist wear, Max 30 percent. For non-wearing surface, the value is 45 percent Max. Lower limits if used shall provide better performance against gradually applied compressive load.

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objective aggregate crushing value test

Aggregate impact and crushing test - SlideShare The aggregate impact value (AIV) is B AIV = × 100 (%) (1) ARESULTSAn average is taken of the two tests and the result is recorded to the nearestwhole number as the Aggregate Impact ValueThe AIV is normally about 105 per cent of the Aggregate Crushing Value and itcan be used for the same purpose...

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BS 812: Part 112: Aggregate impact value (AIV) — Celtest

Oct 19, 2018  BS 812: Part 112: Aggregate impact value (AIV) Our UKAS accredited aggregate testing laboratory can determine the aggregate impact value (AIV) a test that provides a relative measure of the resistance of an aggregate to sudden shock or impact. To discuss your testing requirements, please contact us. Laboratory Testing, Aggregate Alex Moore 19 ...

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Aggregate Impact Value Apparatus Turkey - Search,

aggregate impact value Values obtained in these tests are given in Fig7 The tested aggregate impact value varies from 681% to 1211% 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 AIV values for both material tested are exhibit strong enough

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