Menu
Flakiness Index is the percentage by weight of particles in it whose least dimension thickness is less than three fifths of its mean dimension Elongation Index is the percentage by weight of particles in it whose largest dimension length is greater than one and four fifths times its mean dimension
Get Price
lab manual transportation engineering lab department of civil engineering jtani ramachandrapur bhubaneswar 752050 transportation engineering lab lab manual for programme …
Get Price
ELE International Determination of Flakiness and Elongation ASTM D4791 10 Standard Test Method for Flat Particles May 12th 2024 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
Get Price
Thickness Gauge Flakiness Index Starting at $ Length Gauge Elongation Index $ Thickness Gauge Flakiness Index is a slotted stainless steel gauge for rapid hand trying of particles from the seven sieve fractions to determine the flakiness index
Get Price
FLAKINESS AND ELONGATION INDEX OF AGGREGATE AIM OF THE EXPERIMENT To determine the Flakiness Index of the given sample of course aggregate 1 Objective Particle form and surface texture greatly influence the properties of freshly mixed concrete Characteristics of hardened concrete
Get Price
Then the flakiness index is calculated as the total weight of material passed through various thickness gauges expressed as a percentage of total weight of the sample gauged Flakiness Index = [W 2 / W 1] x 100 Where W 2 = Weight passed from x d mean size W 1 = Total weight of aggregates
Get Price
Flakiness And Elongation Index Properties and Testing of May 3rd 2024 Properties and Testing of Aggregates Flakiness and Elongation Index Flakiness And Elongation Index Flakiness Index Aggregate is termed as flaky when its least dimension i e thickness is reasonably small relative to its other two dimensions i e width and or length
Get Price
Flakiness index It is the percentage by weight of flaky particles in a sample The Flakiness index is calculated by expressing the weight of flaky particles as a percentage of the total weight of sample Elongated particles An elongated particle is the one whose greater dimension is times its mean size
Get Price
Observation And Recording Passing through IS Sieves mm Retained on IS Sieves mm Flakiness Gauge mm Weight Passing on Flakiness Gauge g Percentage Weight Passing % 63 50 50 40 40 25 25 Flakiness and Elongation Index 8 Download D o w n l o a d P D F Created Date
Get Price
Flakiness and Elongation Gauge As we know According to shape the aggregate is classified as aggregates in terms of shape are categorized into five groups Irregular or partly rounded aggregate rounded aggregate angular flaky elongated aggregate between them two groups flaky and elongated aggregate they are detrimental and harmful to use
Get Price
The Thickness Gauge is used to determine if the aggregate particles are to be considered as flaky their thickness is less than of their nominal size The aggregate to be classified is separated into seven sieve fractions from to 63 mm and each fraction is examined separately Slot sizes are x 30 mm x 40 mm x 50 mm
Get Price
a BS 1241 specifies a Flakiness Index not exceeding 30% irrespective of the size of the aggregates b Maximum permitted value of Elongation Index is 35% Both flakiness and Elongation tests are not applicable to sizes smaller than 1/4 sieve APPARATUS 1 Thickness/Flakiness Index Gauge 2 Length/Elongation Index Gauge
Get Price
Determination of the Shape Index Elongation Index Flakiness Sieves and Gauges Grid Sieves Aggregates which are flaky and/or elongated will often lower the workability of a concrete mix and may also affect long term durability In bituminous mixtures flaky aggregate makes for a harsh mix and may also crack and break up during compaction by rolling
Get Price
title aggregate shape test flakiness index elongation index INTRODUCTION The particle shape of aggregates is determined by the percentages of flaky and elongation
Get Price
The flakiness index of aggregates is the percentages by weight of particles whose least dimension thickness is less than 3/5 th of their mean dimension The test does not apply to sizes smaller than mm [For example the mean sieve size for an aggregate piece passing through 50 mm and retained on 40 mm sieve is 50 40 /2 45 mm
Get Price
b Flakiness index c Sieve analysis obtained from this test A data sheet is given as Form Elongation index Scope The scope of this test is to provide test methods for determining the elongation index of coarse aggregate An aggregate is classified as being elongated if it has a…
Get Price
Experiment no 03 Determination of the flakiness and the elongation index for the given aggregate sample Jun 21 2024 • 0 likes • 315 views Download Now Download to read offline Engineering This test is used to determine the particle shape of the aggregate and each particle shape Sayed Sajid Follow Advertisement Recommended
Get Price
DETERMINATION OF FLAKINESS AND ELONGATION INDEX FOR THE GIVEN AGGREGATE SAMPLE Apparatus 1 Set of sieves 2 Weighing balance 3 Thickness gauge 4 Length gauge Purpose The test is used to determine particle shape of an aggregate Usual shapes are 1 Rounded river gravel 2 Flaky laminated rock 3 Elongated 4 Angular crushed rock
Get Price
The purpose of this document is to describe the method for determining Flakiness Index Elongation Index and Angularity Number of the given sample of aggregate The particle shape of aggregate is determined by percentages of flaky and elongated particles contained in it In case of gravel it is determined by its angularity number
Get Price
Flakiness Index is the percentage by weight of particles in it whose least dimension thickness is less than three fifths of its mean dimension Elongation Index is the percentage by weight of particles in it whose largest dimension length is greater than one and four fifths times its mean dimension
Get Price
Determination of General and Geometric Properties of Aggregates Large Capacity Sample Splitter Sample Splitters Riffle Box Jaws Crusher Flakiness Sieve Series in Bs Standards Grid Sieve Set Flakiness Index Sieve Set EN Thickness Gauge Flakiness Index BS Length Gauge Elongation Index Shape Index Caliper Sand Equivalent Test Set
Get Price
Determination of the flakiness and elongation index of an aggregate sample is important for the following reasons The degree of packing or inter locking of an aggregate sample depends on the shape of the particles in the mix therefore too many flaky or elongated particles can prove an obstacle in achieving the desired packing of aggregates
Get Price
The flakiness index is calculated by expressing the weight of flaky particles as a percentage of total weight of the sample Calculation for Flaky Particles ELONGATED PARTICLES These are the particles having length considerably larger than the other two dimensions and it is the particle whose greater dimension is times its mean size
Get Price
Definition of Flakiness index and Elongation index April 7 2024 by admin 2 Comments Flaky particles The particles whose least dimension is less than times the mean size dimensions Elongated particles The particles whose greatest dimension is greater than times the mean size dimension Mean size of aggregates
Get Price
According to BS 1241 a flakiness index should not exceed 30% irrespective of the aggregate size Maximum permitted elongated index is 35% 40% or 45% for aggregate size 21/2 2 11/2 ¾ and 1/2 ⅜ Both Flakiness index Elongation Index tests are not applicable to the materials of sizes smaller than mm ¼ sieve Read also
Get Price
Download scientific diagram Observations for flakiness and elongation indices from publication Plastic used in flexible pavements Retrospects and prospects Bituminous mixes are most commonly
Get Price
2 Carry out ground water level observation in borehole No 90 2 Standpipe 5 Collect a set of 2 sealed sample for the determination of natural moisture content at the laboratory testing measured separately in the course of sampling in Set 19 7 Flakiness Index no 75 7 Elongation Index no 75 7 Angularity number no 75
Get Price
Flakiness and Elongation Index of Aggregate 1 objective 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
Get Price
The flakiness of aggregates is determined by measuring the thickness of individual particles Techno Test offers thickness gauge and length gauge with ISI certification mark as per IS 2386 to check flakiness index and elongation index of the aggregate respectively Thickness Gauge Length Gauge
Get Price
Determination of elongation index LinkedIn SlideShare · The elongation index is found by separating the elongation particles and expressing their mess as a percentage of the mass of sample tested From the experiment the mean 14 2 sieve 10mm and elongation index is 9 18 As a conclusion the sample that we tested are flaky and elongation which is there are not suitable to use in parameter design
Get Price