objective tests of flakness elongation and crshing strength of aggregate

Flakiness & Elongation Index - Civil Engineering Laboratory

The elongation index of an aggregate sample is found by separating the elongated particles and expressing their mass as a percentage of the mass of the sample tested. The test is not applicable to material passing a 6.30 mm BS test sieve or retained on a 50 mm BS test sieve.

Determination of the Flakiness and the Elongation Index ...

b) Maximum permitted value of Elongation Index is 35%. Both flakiness and Elongation tests are not applicable to sizes smaller than 6.3mm (1/4'' sieve). 2.3. APPARATUS 1) Thickness/Flakiness Index Gauge. 2) Length/Elongation Index Gauge. 3) Aggregate sample to be tested.

Aggregate Test | Aggregate Lab Test | Sigmatest

The Los Angle (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 should resist crushing, degradation and disintegration in order to produce a high quality HMA.

Aggregate Crushing Value (ACV) - Civil Engineering Laboratory

The standard aggregate impact test shall be made on aggregate passing a 14.0 mm BS test sieve and retained on a10.0 mm BS test sieve. If required, or if the standard size is not available, smaller sizes may be tested but owing to the non-homogeneity of aggregates the results are not likely to be the same as those obtained from the standard size.

Flakiness and Elongation Test (BS 812: Part 3) | seperti ...

Mar 03, 2012· Elongation value is 0% because the aggregate is rounded so no any retain value. Aggregate quality for road construction will also influence the road performance. The flakiness and elongation rocks are not suitable for road construction because this type of rocks will make the road surface not balance and easy to damage.

aggregates crushing value complete test - mwledsolutions.nl

Apr 10, 2012· 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 load Lesser the aggregate crushing value stronger is the given sample of …

Flakiness Index and Elongation Index Test on Coarse Aggregates

Flakiness Index = Elongation Index = Recommended Values of Flakiness Index and Elongation Index. The shape tests give only a rough idea of the relative shapes of aggregates. Flaky and elongated particles should be avoided in pavement construction, particularly in surface course.

Flakiness and Elongation test of Aggregate as per IS 2386 ...

Sep 09, 2017· Flakiness and Elongation test of Aggregate, Flakiness and Elongation test of Aggregate, flakiness and elongation test, flakiness and elongation test is code, flakiness and elongation test video ...

Aggregate Testing Equipment - Air Entrainment Meter and ...

We offer Air Entrainment Meter, Aggregate Impact Value Test Apparatus, Aggregate Crushing Value Test Apparatus, Los Angeles Abrasion Testing Machine, Flakiness & Elongation Index Test Gauges and other types of Aggregate Testing Equipment.

TESTS ON AGGREGATE - civilmietmeerut.blogspot.com

One of the model in which pavement material can fail is by crushing under compressive stress. A test is standardized by IS: 2386 part-IV and used to determine the crushing strength of aggregates.The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied crushing …

LABORATORY TESTS ON AGGREGATES - cegyan.com

Aggregate crushing strength test:This test determines aggregate crushing value which provides a relative measure of resistance to crushing under gradually applied compressive load.The apparatus consists of a plunger, compression testing machine, cylindrical measure of diameter 11.5 cm and height 18cm, tamping rod and sieves.Dry aggregates passing 12.5mm IS sieve and retained on 10mm sieve ...

what do u mean by elongation & flakiness of aggregate?

ELONGATION INDEX = (wt of aggregate retained on specified gauge) / (total wt of aggregate taken) ... what do u mean by elongation & flakiness of aggregate?.. Answer ... How to evaluate the elastic modulus of soil from the plate load test result? for example ..one of test results are here Max. settement =4.56mm(at 900kPa) Residual settlement = 4 ...

Flakiness Index and Elongation Index Test Procedure ...

Apr 23, 2019· Flakiness index and Elongation index test required to find out the shape of aggregate. We described the procedure of Combined Flakiness and Elongation index test of aggregate as per IS code with formula and calculation. Flakiness and Elongation index test called shape test too.

Home || F. M. Testing Lab

To become a leading name in state of art building material testing laborites in India& aboard. Quality Policy. FMTL, is committed to total customer satisfaction through reliable, accurate, and prompt services in the field of testing. Quality Objectives. To achieve these objectives the laboratory has implemented a detailed management system.

AGGREGATE / ROCK TESTING - nbro.gov.lk

aggregate / rock testing BMRTD is capable of performing all kinds of aggregate and rock testing which will be used in different construction activities. Both chemical and physical testing can be performed by BMRTD laboratories.

7 LAB TESTS ON AGGREGATE TO CHECK QUALITY FOR USE IN …

Sep 12, 2015· Fig-1 Crushing Test Setup. One of the model in which pavement material can fail is by crushing under compressive stress. A test is standardized by IS: 2386 part-IV and used to determine the crushing strength of aggregates. The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied crushing load.

AGGREGATE FLAKINESS INDEX VALUE (IS:2386-Part 1-1963 ...

May 08, 2013· Objective For determination of flakiness index of coarse aggregate, where the size of the coarse aggregate are larger than 6.3mm . Reference Standards IS : 2386 (Part I) – 1963 – Method of test for aggregates for concrete (Part I) Particle size and shape. Equipment & Apparatus Thickness gauge Sieves [63, 50, 40, 31.5, 25, […]

Aggregate test | Construction Test

Aggregate Crushing value test procedure of Coarse aggregate is required to find out the relative measure of resistance of an coarse aggregate crushing under gradually applied compressive load. ... Flakiness index and Elongation index test required to find out the shape of aggregate. ... Aggregate impact value test required to find out the ...

7 Lab Test on Aggregates that we Use in Concrete Construction!

The crushing test on aggregate gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load. If the aggregate crushing value is less than 10, it signifies an exceptionally strong aggregate. Whereas, if the crushing value is 35 or above, it would normally be considered as weak aggregates.

Flakiness and Elongation Index of Coarse Aggregate

Dec 12, 2017· Flakiness and Elongation Index of Coarse Aggregate Particle shape and surface texture influence the properties of freshly mixed concrete more than the properties of hardened concrete. Rough-textured, angular, and elongated particles require more water to produce workable concrete than smooth, rounded compact aggregate.

Pavement materials: Aggregates - IIT Bombay

Sep 24, 2010· Crushing test One of the model in which pavement material can fail is by crushing under compressive stress. A test is standardized by IS:2386 part-IV and used to determine the crushing strength of aggregates. The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied crushing load.

Elongation Index Test - Labguider

Elongation test and Flakiness tests are known as Shape Tests and are performed on aggregate. The Elongation test is discussed in this procedure. Click Here to go to Flakiness Index Test Elongation index of an aggregate is the percentage by weight of particles whose greatest dimension (length) is greater than one and four-fifth times their mean ...

What various tests are done for the water, fine aggregates ...

Jul 11, 2018· TESTS ON COARCE AGGREGATES: 1. Sieve Analysis 2. Specific Gravity 3. Water Absorption & Moisture Content 4. Bulk Density & Voids 5. Specific Surface & Surface Index 6. Flakiness Index 7. Elongation Index 8. Clay, Silt Content 9. Aggregate Crushing...

objective objective aggregate crushing value test

objective of aggregate impact value objective aggregate crushing value test. objective aggregate impact value - Gold Ore Crusher. objective aggregate impact value, Entrepreneurial Competition and Its Impact on the Aggregate Economy Firm Objectives, Organization,, Crushing Equipment, Difference Between Aggregate Impact Value Test And, Chat With Sales

Concrete Batching Plant |how to minimize elongation of ...

how to crushing aggregate - YouTubeAug 31, 2016 · The aggregate process consists by progressive stages of crushing How To Minimise Elongation Of Aggregates In A Stone Crushing Manufacturer Aggregate C. Manufacturer & Exporter of Concrete Batching Plants, Concrete mixer and Crusher.

LR 4 - Flakiness and Elongation - American University of ...

Due to the random nature of the stone crushing process, not all aggregate pieces are similar in size. Flakiness is a condition when the thickness of a piece of aggregate is less than 0.6 of its mean sieve size, while elongation is when the length of a piece of aggregate is greater than 1.8 of its mean sieve size. Flakiness and elongation are ...

Aggregate Testing Definition, Flakiness & Elongation Index

Aggregate Testing Definition 10% Fine Value. This test is a measure of the strength of aggregate, which will normally be used in making concrete. It involves compression in a mould of a known mass of aggregate of single particle size and measuring the load required to reduce 10% of the particles to fine material. ... Flakiness and Elongation ...

A Study on Influence of Shape of Aggregate on Strength and ...

Initially an aggregate samples were collected from the stone crusher (two types) and prepared with different proportions of Flakiness and Elongation indices to conduct tests on properties of aggregates and compressive strength and flexural strength tests on concrete.

Is the 'Combined Flakiness and Elongation Index' of ...

It is mentioned in the test procedure (BIS/MoRTH) that while doing combined flakiness and elongation test, the flaky aggregates should be separated initially from the test sample, and the rest is ...

Flakiness index and Elongation Index of Coarse Aggregates

Thus, evaluation of shape of the particles, particularly with reference to flakiness and elongation is necessary. The Flakiness index of aggregates is the percentage by weight of particles whose least dimension (thickness) is less than three- fifths (0.6times) of their mean dimension.

objective aggregate crushing value test - studiareacrema.it

objective tests of flakness elongation and crshing ... objective tests of flakness elongation and crshing strength of aggregate. the rules of aggregate crushing value test pdf. ... objective aggregate crushing value test ... READ MORE Exp 1 Flakiness and Elongation Index - …

objective aggregate crushing value test - uniekwoning.nl

highway aggregate impact test objective - geetaschool. objective of aggregate crushing value test. highway aggregate impact test objective . Posts Related to ... what can be recommended in aggregate impact value lab, May 10, 2013 British Standards tests, Aggregate Crushing Value (ACV), prove to be very reliable methods in ...