sample of aggregate impact value test bs

A new practical method for determining the LA abrasion ...

Oct 01, 2017· Aggregate Impact Value: BSI BS 812-112 (1990c) Aggregate Crushing Value: AS 1141.21 (1997) BSI BS 812-110 (1990b) Micro-Deval Abrasion: AASHTO TP 58 (1999) ASTM D6928 (2010) AENOR UNE-EN 1097-1 (2011) Texas Ball Mill (Wet) AS1141.28 (2014) Country Roads Board, Victoria – Test Method 341 (National Association of Australian State Road ...

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 […]

Aggregate crushing value test 10 fines value test ...

Mechanical Properties of Aggregates Aggregate Crushing Value Test (BS:812, part 3) Procedure • The material to be tested should pass a 14.0 mm (1/2 in.) sieve and be retained on a 10 mm (3/8 in.) sieve. • Dry the sample in an oven at 100-110 0 C for four hours. • Place the sample in a standard cylindrical mould and tamp it. • Put a plunger on the top of the aggregate and place the ...

DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.

Dec 15, 2017· Classification of aggregates using Aggregate Impact Value is as given below: Aggregate Impact Value Classification <20%.= Exceptionally Strong 10 – 20% .=Strong 20-30%. =Satisfactory for road surfacing >35%.= Weak for road surfacing 5. 5 APPARATUS 1. Aggregate Impact Value Test Machine 2. BS test sieve 3. A metal tamping rod 4.

(PDF) Specification for aggregates from natural sources ...

As an alternative to the 10 % fines test, the aggregate impact value may be carried out in accordance with BS 812-112. The oven-dry aggregate impact value shall not …

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.

Types of Testing for Aggregates - Structural Guide

Nov 05, 2019· TESTING OF AGGREGATE CRUSHING VALUE. Aggregate crushing value is an indicator of the crushing resistance of the aggregates when a compressive load is increased. It is tested in accordance with BS 812:110, 1990 and aggregate passing a 14mm test sieve and retained on 10mm sieve are considered for the testing. The allowable range is 17- 41.

IMPACT VALUE OF AGGREGATE - iricen.gov.in

fresh test made. Two tests shall be made. 5.Calculation 1.The ratio of the weight of fines formed to the total sample weight in each test shall he expressed as a percentage, the result being recorded to the first decimal place: Aggregate Impact Value = (B/A) X 100 where A = weight in g of saturated surface - …

Aggregate Impact Test » Engineering Basic

Mar 21, 2018· March 21, 2018. Cornelius. Cornelius. The aim of aggregate impact test is to determine the relative measure of the resistance of aggregate to sudden shock or impact in which in some aggregate differs from its resistance to a slowly applies compressive load. The property of a material to resist impact is known as toughness.

AGGREGATE - Testmak Material Testing Equipments

AGGREGATE AGGREGATE TEST EQUIPMENTS CONTENTS Rffl e Boxes ( Sample Spltters ) ... Aggregate Impact Value(AIV) Apparatus Aggregate Crushng Value Apparatus ... EN 932-2 | ASTM C702 | BS 812:1, 1377:1, 1924:1 SAMPLE SPLITTERS DESCRIPTION AGGREGATE EN 932-2 | ASTM C702 | BS 812:1, 1377:1, 1924:1 ...

Los Angeles Abrasion – Pavement Interactive

The L.A. abrasion test measures the degradation of a coarse aggregate sample that is placed in a rotating drum with steel spheres (Figure 7). As the drum rotates the aggregate degrades by abrasion and impact with other aggregate particles and the steel spheres (called the "charge"). Once the test is complete, the calculated mass of ...

Determine of Aggregate Impact Value Test: BS 812

Oct 27, 2017· Experiment Name: Determine of Aggregate Impact Value Test: BS 812 Purpose of the test: The Impact value of an aggregate is the percentage loss of weight particles passing 2.36mm sieve by the application of load by means of 15 blows of …

(PDF) DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS ...

DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS 812-112) Scope: This Part of BS 812 describes methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact. Principle A test specimen is compacted, in a standardized manner, into an open steel cup.

Aggregates for Concrete

Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete ASTM

(PDF) CORRELATION STUDY OF AGGREGATE STRENGTH TESTS ...

Aggregate Impact Value (AIV) test (BS 812, Part 3: 1975) A surface dry standard size (14 - 10 mm) aggregate sample is placed in a cylindrical cup of prescribed dimensions and compacted. The sample is subjected to 15 blows of a hammer (13.5 - 15 kg, diameter 100 mm) falling freely over a height of 380 mm, while the time interval between the ...

Exp 4 Aggregate Impact Value - Civil Engineers PK

Aggregate Impact Value. The test sample shall consist of aggregates the whole of which passes through ½ in B.S. test sieve and is retained on a 3/8 in B.S. test sieve. The aggregate comprising the test sample shall be dried in an oven for a period of four hours at a temperature of 100-110 °C and cooled.The measuring cup shall be filled about ...

Aggregate impact and - SlideShare

Feb 08, 2012· The above test is repeated on fresh aggregate sample.Calculation The aggregate impact value is expressed as the percentage of the fines formed in terms of the totalweight of the sample. Let the original weight of the oven dry sample be WI g and the weight of fraction passing 2.36 mmI~ sieve be W 2 g. 8.

Determine of Aggregate Impact Value Test: BS 812

Oct 27, 2017· Experiment Name: Determine of Aggregate Impact Value Test: BS 812 Purpose of the test: The Impact value of an aggregate is the percentage loss of weight particles passing 2.36mm sieve by the application of load by means of 15 blows of standard …

Aggregate Impact Value (AIV) Test Machine

Standards. BS 812:112 . 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.

Polished Stone Value - Test Procedures and Equipment

The percentage mass of fines (passing a 2.80mm BS test sieve) formed in the test is known as the aggregate impact value AIV. higher values are given by weaker materials. For the majority of aggregates the impact value and the crushing value are similar, but brittle materials such as flints yield impact values which are about 5 units higher than ...

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 ...

Aggregate Impact - an overview | ScienceDirect Topics

The aggregate impact value is the proportion of the sample that passes a 2.36 mm sieve after the hammer impacts. European Standards will not contain the 10 per cent fines test or the aggregate impact value test (although a different impact test, the German Schlagversuch test, has been included).

Impact and Crushing Value - Construction Testing Equipment

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.

CE 354 Transportation Engineering Sessional I (Lab Manual)

compressive load. With aggregate of aggregate impact value (AIV) higher than 30 the result may be anomalous. Also aggregate sizes larger than 14 mm are not appropriate to the aggregate impact test. The standard aggregate impact test shall be made on aggregate passing a 14. mm BS test sieve and retained on a 10.0 mm BS test sieve.

RELATIONSHIP BETWEEN AGGREGATE CRUSHING VALUE …

retained on 10 mm BS sieve sizes. The aggregate collected on 10 mm was the material of importance. These were oven dried at a temperature of 110 degree for a period of 4 hours. 2.2.1 Aggregate Crushing Value (ACV) Test: The sample was placed in a cylindrical mould to a …

Laboratory Testing | Aggregate | Mattest

Aggregate. Aggregate Abrasion Value (AAV) – EN 1097-8. Aggregate Crushing Value (ACV) – BS 812-110. Aggregate Impact Value (AIV) – BS 812-112. Alkali Silica Reaction (Mortar Bar Test) – ASTM C1260. Acid Soluble Sulfate – EN 1744-1.

pdf Download BS 812-112: Testing Aggregates Part 112 ...

Aggregates, Cement and concrete technology, Impact testing, Mechanical testing, Test equipment, Specimen preparation, Test specimens, Testing conditions, Reproducibility Methods which give a relative measure of the resistance of an aggregate to sudden shock or impact. ; Specifies methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the …

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.

Impact Test Of Aggregate | Lab Test Procedure ...

The procedure of the impact value test includes the following series of steps: 1. The aggregate samples of size 10mm to 12.5mm (passing through 12.5mm sieve and retained on 10mm sieve) are first taken and oven-dried at a temperature ranging from 100 degrees Celsius to …

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