### AGGREGATE TOUGHNESS/ ABRASION RESISTANCE AND

The objective of this research is to select tests for characterizing aggregate toughness/abrasion resistance and durability/soundness that are related to the performance of asphalt concrete pavements. Toughness/ Abrasion Resistance Aggregates must be tough and abrasion resistant to prevent crushing, degradation, and disintegration when stockpiled, fed through an asphalt plant, placed with a

Get Price### objective for aggregate crushing value test

The objective of this research is to select tests for characterizing . but the aggregate crushing value did separate suitable and unsuitable aggregate for bitumen. More details open-graded friction course, micro-Deval test, aggregate minerlogical . existed between laboratory aggregate tests and observed aggregate field performance.

Get Price### DETERMINATION OF AGGREGATE CRUSHING VALUE

The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Crushing value is a measure of the strength of the aggregate. The aggregates should therefore have minimum crushing value. 3.

Get Price### purpose purpose of aggregate crushing value -

purpose purpose of aggregate crushing value Aggregate crushing value is a numerical index of the strength of the aggregate and it is used in construction of roads and pavements. Crushing value of aggregates indicates its strength. Lower crushing value is recommended for roads and pavements as it indicates a lower crushed fraction under load and would give a longer service life and a more

Get Price### AGGREGATE CRUSHING VALUE (IS:2386-Part 4

08/05/2013· Objective. For determination of the aggregate crushing value of coarse aggregate, which passes 12.5 mm. IS sieve and retained on 10 mm. IS sieve. Reference Standard. IS: 2386 (Part IV)-1963 Methods of test for aggregate for concrete Part IV Mechanical Properties. Equipment & Apparatus. Steel Cylinder; Sieves (12.5mm,10mm) Cylindrical metal measure; Tamping Rod

Get Price### Los Angeles Abrasion Test on Aggregates -Values

Los Angeles abrasion test on aggregates is the measure of aggregate toughness and abrasion resistance such as crushing, degradation and disintegration. This test is carried out by AASHTO T 96 or ASTM C 131: Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine.

Get Price### Objective - SlideShare

OBJECTIVE To assess the resistance of an aggregate to mechanical degradation by the Aggregate Impact Value. BACKGROUND When a road aggregate has been manufactured to a specified grading it is stockpiled, loaded into trucks, transported, tipped, spread and compacted. If the aggregates is weak, some degradation may take place and result in a change ingrading and/or the production of excessive

Get Price### Aggregate Crushing Value Test - Procedure And

Aggregate crushing value test provides the resistance of an aggregate sample to crushing under gradually applied compressive load. Generally, the test is conducted on aggregate passing 12.5 mm and retained on 10 mm sieve. The aggregate sample is filled in a cylindrical mold and a load of 40 ton is applied through a plunger in a compression testing machine.

Get Price### Objective Of Aggregate Crushing Value Test

Objective Of Aggregate Crushing Value Test. 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. As a leading global manufacturer of crushing

Get Price### Relative Density of Soil

1. objective. 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

Get Price### AGGREGATE CRUSHING VALUE - iricen.gov

AGGREGATE CRUSHING VALUE 1.Objective 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.

Get Price### Objective - SlideShare

OBJECTIVE To assess the resistance of an aggregate to mechanical degradation by the Aggregate Impact Value. BACKGROUND When a road aggregate has been manufactured to a specified grading it is stockpiled, loaded into trucks, transported, tipped, spread and compacted. If the aggregates is weak, some degradation may take place and result in a change ingrading and/or the production of excessive

Get Price### DETERMINATION OF AGGREGATE CRUSHING VALUE

The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Crushing value is a measure of the strength of the aggregate. The aggregates should therefore have minimum crushing value. 3. APPARATUS

Get Price### Los Angeles Abrasion Test on Aggregates -Values

Los Angeles abrasion test on aggregates is the measure of aggregate toughness and abrasion resistance such as crushing, degradation and disintegration. This test is carried out by AASHTO T 96 or ASTM C 131: Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine.

Get Price### Stripping value Test of Road Aggregate Material

This test is conducted to determine the effects of moisture upon the adhesion of the bituminous film to the surface particles of the aggregate. This test is of significant value to ascertain the suitability of the two materials viz. bitumen (binder) and aggregates, because one particular aggregate may be satisfied with one binder and unsatisfactory with another; and the same being true for the binders. The static

Get Price### Stripping Value Test On Aggregates | Objectives,

Stripping value test on-road aggregate can be defined as the test performed to determine the effects of moisture content on the adhesion of the bituminous film to the surface particles of the aggregates. The stripping value is expressed as a percentage. The determination of the stripping value of the road aggregates is necessary so that the applicability of both the aggregate and bitumen

Get Price### Aggregate Crushing Value (ACV) - Civil

Aggregate Crushing Value (ACV) 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 slowly applied compressive load. With aggregate of aggregate impact value higher than 30

Get Price### Objective Of Aggregate Crushing Value Test

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 Calculate the dry or wet aggregate crushing value to the nearest 0,1 as follows and report it to the nearest 0,1 on form.

Get Price### Stripping Value Test On Aggregates | Objectives,

Stripping value test on-road aggregate can be defined as the test performed to determine the effects of moisture content on the adhesion of the bituminous film to the surface particles of the aggregates. The stripping value is expressed as a percentage. The determination of the stripping value of the road aggregates is necessary so that the applicability of both the aggregate and bitumen

Get Price### 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.

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