'x` 2- A set of sieves. Thickness of gauge = 2.66 0.05 mm (0.105 0.002 in.) To perform various laboratory test on bitumen. 1 0 obj The flakiness index of an aggregate sample is found by separating the flaky aggregates by sieving. endobj Good White Flakiness & Elongation Test Gauges, 500 Gm, Automation Grade: Manual 590 Reliable Lab Equipment Co. Elongated aggregates are defined as those with a ratio of width to thickness greater than 3. 3. The flakiness index test (FI) is not applicable passing 6.30 mm or retaining 63.0 mm test sieve. endobj from heavy gauge steel sheet and coated with electrostatic paint.The accuracy of the slot size is better than 0.1 mm.Flakiness index sieve set consists of 7 sieves. Figure 5.7: Sample preparation for the plastic limit test Roll the upper half of the device which has a calibrated opening of 3.18 mm with the lower half plate. Each fraction is gauged in turn for thickness on the metal gauge. Flakiness index test lab report pdf. $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ? Click to see historical log of changes. Latest change to Lab Manual: January 19, 2021. 1223.2 APPARATUS A. Most Automation Engineers would reduce most of their flaky tests by mastering the following four synchronizations (translated into automation code). Jan 3, 2005 LAB MANUAL 1223.3 1223.3 SAMPLE PREPARATION Refer to Section 1201.4I1. Classification M amp L Testing Equipment. No luck either. 0000000895 00000 n The rough texture of angular aggregates also leads to greater bond strength between the hardened cement paste and the aggregates, which increases both compressive and flexural strength. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 138 0 R /Group<>/Tabs/S>> This reduces the amount of paste required to coat the aggregates, increasing workability and reducing water and cement requirements. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 165 0 R /Group<>/Tabs/S>> 49 0 obj 46 0 obj In other words, this index value of . The elongation index is found by separating the elongation particles and expressing their mess as a percentage of the mass of sample tested. which is equal to or greater than 10%, obtain a representative test sample of the weight specified in Subsection 3.1 above. The aggregate retained on 63mm and passed through 6.3mm should not be considered. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 168 0 R /Group<>/Tabs/S>> Chapter 2 - Bituminous Tex-224-F, Determining Flakiness Index Manual of Testing Procedures 2 8/99 - 10/04 Figure -1. Summary - Flakiness Index vs Elongation Index What is Flakiness Index? Conversely aggregates manufactured from crushed rock will be more of a cubical shape, rough texture and will contain sharp edges and angular corners. The flakiness index of the given aggregates; Apparatus for Shape Tests The apparatus for the shape tests consists of the following: A standard thickness gauge; A standard length gauge; IS sieves of sizes 63, 50 40, 31.5, 25, 20, 16, 12.5,10 and 6.3mm; A balance of capacity 5kg, readable and accurate up to 1 gm. endobj Aggregate form, size and surface structure Majorly influence the properties of fresh mixed concrete more . Equipment for Penetration test A penetrometer consisting of a needle assembly with a total weight of 100 grams and a device for releasing and locking needle in any position. SUREKH GEOTECH Opp - Vrundavan Bus Stop, Vadodara TrustSEAL Verified Company Video View Mobile Number Flakiness and Elongation Index YouTube. 2. Angular aggregates in some cases can also be more difficult to pump. 35 0 obj Flakiness Index Test. The Flakiness Index test determines the percentage of flat particles in a seal coat aggregate. The pieces of aggregates are made to pass through the slot of specified thickness of gauge and then they are weighed. Place two fresh sheets of filter paper on either face of the plates. '' sieve. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 104 0 R /Group<>/Tabs/S>> support@vlab.co.in; Phone(L) - 011-26582050; Wireless Research Lab Room No - 206/IIA Bharti School of Telecom Indian Institute of Technology Delhi Hauz Khas, New Delhi-110016 2) DETERMINATION OF FLAKINESS INDEX VALUE (I.S. endobj 5 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 139 0 R /Group<>/Tabs/S>> Flakiness Test Apparatus And Aim Flakiness Test Apparatus And Aim CE 6612 CONCRETE AND HIGHWAY ENGINEERING LABORATORY MANUAL. To read the penetration value, a graduated dial is attached as shown in fig.1. Note 1-This form is available from the Materials & Tests Division/Soils & Aggregates Section. All the sieves include an electrostatically painted frame and stainless steel bars with a 5 mm diameter. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 170 0 R /Group<>/Tabs/S>> endobj Tel: 0113 5116 540 Email: info@ecotechlaboratories.com A means for detecting the potential of aggregates intended for use in concrete for undergoing alkali-silica reaction. endobj Features: Laser-cut heavy-gauge stainless steel for superior accuracy and service life Laser-etched markings clearly label each slot Included Items: Gilson Thickness (Flakiness Index) Gauge (Standard or Indiana) Meets Standard (s): ITM-224-18 , BS 812-105 0000000815 00000 n 27 0 obj endobj <>/Metadata 175 0 R >> : 2386 (part-1) 1963) Object: To determine the Flakiness Index of coarse aggregate sample. endobj Apparatus: 1- A balance of accuracy of 0.1% of the sample weight. 4 0 obj Download D o w n l o a d P D F Procedure of performing Elongation Index Test Firstly, take 1000 grams of aggregate sample and weigh it w1. Elongated aggregate particles are not desirable as they will lead to increased water demand to produce workable concrete and the elongated aggregate shape often indicates that the particle has weak fracture planes which can affect the strength of the concrete. sbm determination of aggregate crushing value lab reportAggregate impact and crushing test LinkedIn SlideShare Feb 08,2012 Flakiness in integration tests If an integration test is flaky, probably is because is trying to cover too many aspects that you are not controlling in the test. FLAKINESS INDEX TEST PROCEDURE 4.1 Weigh each test sample to the nearest gram and record as the "Weight of Test Sample", for the respective size fraction. This test is also sometimes referred to as a shape test of the aggregate, an aggregate flakiness test or aggregate elongation test. N')].uJr . 3. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 85 0 R /Group<>/Tabs/S>> From my experience, Flaky Tests originate from three fundamental problems. Folding on m length with elastic front detail. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 90 0 R /Group<>/Tabs/S>> endstream endobj 20 0 obj<> endobj 22 0 obj<> endobj 23 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageC/ImageI]/ExtGState<>>> endobj 24 0 obj<> endobj 25 0 obj[/ICCBased 32 0 R] endobj 26 0 obj[/Indexed 25 0 R 255 33 0 R] endobj 27 0 obj<> endobj 28 0 obj<> endobj 29 0 obj<>stream 29 0 obj They will however produce greater aggregate interlock due to their sharp corners which increases the strength of the concrete, particularly the flexural strength. REPORTING 3.1 Report all data and information pertinent to this testing using SiteManager form 'Tx224.xlsm'. 21 0 obj v[^l `D#;jp!Z>s+-g$4U%9Hr5) Length gauge sketch 2. C " <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 109 0 R /Group<>/Tabs/S>> flakiness index test using bar sieves not a thickness gauge' 'NL Scientific Instruments Compression Test Machine June 16th, 2018 - NL Scientific Instruments . <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 162 0 R /Group<>/Tabs/S>> 22 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 163 0 R /Group<>/Tabs/S>> 30 0 obj endobj endobj Contact Supplier BESTCO Pvc Flakiness And Elongation Gauge, 2 Liter 700 Best Scientific Co. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 161 0 R /Group<>/Tabs/S>> The Grid Sieve Set is used to determine the flakiness index of the aggregate. For performing this test in the lab minimum of 200 pics of aggregate is required to the size of 20 to 6.3mm aggregate of performing 20mm aggregate test. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 102 0 R /Group<>/Tabs/S>> 0000007819 00000 n Weighing balance SAFETY PRECAUTION 1. Get In Touch With Us. The angularity, elongation and flakiness and shape of coarse aggregates in concrete is determined by the source and method of production of the aggregate. Arrange the sieves in a systematic manner (in order to smaller size opening sieve is on the bottom side and bigger size opening sieve is on the top side). endobj Test sieve size 63mm, 50mm, 37.5mm, 28mm, 20mm, 14mm, 10mm, 6.3mm 3. Page | 4 APPARATUS 1. Sieve Analysis, Flakiness Index, Elongation Index, Water Absorption, Specific Gravity, chemical . w !1AQaq"2B #3Rbr 0000001886 00000 n Flakiness and Elongation Index Test. Penetartion test - Penetrometer <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 86 0 R /Group<>/Tabs/S>> Separation of Elongated Material- Each fraction shall be gauged individually for length on a metal length gauge of the pattern shown in Fig. Fern frond detail. 0000001193 00000 n endobj ;2+z=0*CsT82cNRKhjzajd_f?]z='LADxi]dY'KSEAY{geUT)E&\eJxze? Keep flame and flammable solution far apart. endobj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 148 0 R /Group<>/Tabs/S>> The flakiness index can be described as the percentage of stones in an aggregate consisting of an ALD (Average Least Dimension) less than 0.6 times the average dimension of stones. 5 Do's 1. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 142 0 R /Group<>/Tabs/S>> Fig2. endobj 933 Method for Determining Aggregate Flakiness Index 945 Dynamic Stripping Test of Asphalt Material Aggregate Mixtures 954 Open Graded Surface Course 960 Volumetric Mix Design and Verification 961 Guidelines for Superpave Gyratory Compactor Protocol 962 Guidelines for Stone Matrix Asphalt (SMA) Mix Design and Verification AGGREGATE FLAKINESS INDEX VALUE IS 2386 Part 1 1963. JFIF ` ` C View Highway lab manual.docx from CIVE 3811 at Kuala Lumpur Infrastructure University College. The Elongation Index on an aggregate is = Total weight retained on Elongation Gauge x 100 / Total weight of test sample =_____(%) 7. )YyF!P@^z4_=]@D*~/eD[]c4%KFnA=oy(R$s4K3`ozO\Fk{- 2NYB2ioaROQ$ ne,8Zq`ShuA!m!}u3mz7P]NeVFMe,kr v#X->v^-*=!.1}@ 1nH(CoUq*r?+H( \5h8,dQa?iZ_5di3 z\)@+IESEd";HX/boX=- Shape Test Flakiness Index: The flakiness index of aggregate is the percentage of the mass of the aggregates whose least dimension is less than 0.6 times the mean dimension. http agrealuchadoras blogspot com 26 ago 2012. . 1) Synchronization issues - A synchronization issue comes from not having a precise understanding of the environment's state. Flakiness Sieve Set: Aggregate particles are considered as flaky when their thickness is less than 0.6 of their mean sieve size. <>stream To try out a fully functional free trail version of this software, please enter your email address below to sign up to our newsletter. Phone Numbers 231 Phone Numbers 231912 Phone Numbers 2319126957 Gluber Siriaco. endobj nQt}MA0alSx k&^>0|>_',G! 0000000616 00000 n endobj Flakiness Elongation Index Test Procedure . 7 LAB TESTS ON AGGREGATE TO CHECK QUALITY FOR USE IN ROAD. % Dieshing and extension Index test The tests to be carried out in the laboratory are very important. The test is not applicable to material passing 6.30 mm sieve or retained on 50 mm sieve. 9 0 obj 21 0 obj<>stream The reduced cement content will also reduce the shrinkage of the concrete and make the concrete more economical. The Flakiness Index is the percentage, by mass, of the particles whose least dimension is less than three-fifths of the mean dimension. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 172 0 R /Group<>/Tabs/S>> endobj Mild Steel Flakiness & Elongation Gauge, Automation Grade: Manual 450 Get Latest Price Material: Mild Steel Automation Grade: Manual Model: Description Flakiness Gauge: Used for Determination of flakiness index of coarse aggregates. <> <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 131 0 R /Group<>/Tabs/S>> endobj Laboratory Equipment Product Brochure Flakiness and Elongation Perth: 0408 034 668 Melbourne: 0428 315 502 Auckland: 64 274 738758 Sydney: 0418 381 709 Brisbane: 0419 477 715 www.pcte.co.nz www.pcte.com.au Flakiness Index Sieve Set UTA-0410 When an aggregate particle has a thickness less than 0.6m 19 0 obj <> endobj Angular aggregates require more paste, and are therefore less workable than rounded aggregates. 39 0 obj DESCRIPTION SPECIFICATIONS VIDEO Flakiness (Thickness) Gauge The Flakiness (Thickness) Gauge is used to determine if the aggregate particles are to be considered as flaky, i.e. The flakiness test is applicable to aggregates of size larger than 6.3 mm. LABORATORY MANUAL 011619P: Transportation Engineering-I Laboratory Prepared By: . 0000001024 00000 n their thickness is less than 0.6 of their nominal size. Flakiness index test lab report pdf . 10 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 144 0 R /Group<>/Tabs/S>> % Flakiness and Elongation Index of Aggregate Gilson Co. Flakiness index test YouTube. This test gives the percentage of flaky and elongate aggregate present in the total aggregate sample. Many specifications state a maximum flakiness index test value of around 35, though . Determining Flakiness Index Step Action 3. trailer Flakiness index is expressed as their weight as a percentage of the weight of the sample tested. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 159 0 R /Group<>/Tabs/S>> NHAI Quality Assurance Manual Quality Assurance Audit. Rounded aggregates are more workable as the rounded shape offers a lower surface area than more angular aggregates. 34 0 obj %PDF-1.7 15 0 obj 0000000016 00000 n 26 0 obj . Responsibility : Lab Technician is responsible for carrying the test Note: Flakiness Index of an aggregate is the percentage by weight of particles in it Flakiness Index = [W 2 / W 1] x 100 Video Flakiness and Elongation Index 8. x- [ 0}y)7ta>jT7@t`q2&6ZL?_yxg)zLU*uSkSeO4?c. R -25 S>Vd`rn~Y&+`;A4 A9 =-tl`;~p Gp| [`L` "AYA+Cb(R, *T2B- 2 0 obj H|Vr6}WKgN lR_tCA2T(:w(Eb^8qXn;sG? March 17, 2006 LAB MANUAL 1208.0 1208 FLAT AND ELONGATED PARTICLES IN COARSE AGGREGATE ASTM Designation D 4791 (Mn/DOT Modified) 1208.1 Scope The flat & elongated test determines by mass the percent of +9.5mm (3/8") . 44 0 obj Research Areas Name 1 Elongation Index Model: SL-AG-012. 24 0 obj E2E or Journey tests For sample preparation 4.5, 6.3, 8, 10, 12.5, 16, 20, 25, 31.5, 40, 50, 63, 80 and 100 mm aperture sizes test sieves should be ordered separately. Civil Projects Flakiness Index Test. The shape of the aggregates in concrete has a number of effects on the concretes properties. Bitumen Testing lab equipment. Problem in an empirical factor method that it can be determined in. Table of Contents - Laboratory Testing Methods Index . P 1 of 13 PUBLIC WORKS LABORATORIES TEST DIRECTORY. endobj This effect is particularly significant with crushed fine aggregates. endobj (%3E2Z The flakiness index of aggregates is the percentage by weight of particle in them whose dimension (thickness) is less than three-fifths of their mean dimension. Collect pieces by only random sampling. APPARATUS a. endstream endobj 30 0 obj<> endobj 31 0 obj<> endobj 32 0 obj<>stream It is mathematically calculated as the ratio of the weight of flaky particles to the total sample weight. 31 0 obj 38 0 obj Both Flakiness and Elongation tests are not applicable to sizes smaller then 6.3mm i.e. 20 0 obj xref <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 115 0 R /Group<>/Tabs/S>> 23 0 obj <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 81 0 R /Group<>/Tabs/S>> FLAKINESS INDEX TEST (MS 30: PART 5: 1995 Section 1) Introduction The type of rocks and type of crushing Marine aggregates dredged from rivers will naturally have a spherical, smooth, rounded shape due to the natural processes of erosion. endobj Flakiness and Elongation Index Test are very important tests to be performed on aggregate in the laboratory. Contact Supplier Rupson Flakiness gauge 300 Rupson Industries Contact Supplier Polished Stainless Steel Flakiness Gauge 500 0000002107 00000 n This thickness gauge has five slots with openings ranging from 0.25 to 1in (6.35 to 25.4mm). Use the material retained on any of the following . FLAKINESS INDEX TXDOT DESIGNATION: TEX-224-F MATERIALS AND TESTS DIVISION 2 - 3 EFFECTIVE DATE: APRIL 2022 Figure 1Flakiness Index Metal Gauge Plate. 17 0 obj 8 flakiness index of aggregate 9 impact test Aggregate to be classified is separated into seven sieve fractions from 6.3 to 63 mm and each fraction is examined separately. 1 0 obj A high flakiness index test result indicates a high proportion of elongated aggregates, a low test result indicates a low proportion of elongated aggregates. These different types of aggregate are illustrated in the images below. ce6612-concrete and highway engineering lab lab manual. To determine the Flakiness Index of given aggregates 10. 33 0 obj MN/DOT's laboratory testing procedure requires that test sample sizes as submitted conform to the values in the table above. HyTSwoc [5laQIBHADED2mtFOE.c}088GNg9w '0 Jb 14 0 obj endobj The Flakiness Index is the total weight of the material passing the various thickness gauges or sieves, expressed as a percentage of the total weight of the sample gauged. According to BS-1241, a flakiness index should not exceed 30% irrespective of the aggregate size. Grading of Aggregates in Concrete Analysis, Compressive Strength of Concrete Calculator, Modulus of Elasticity of Concrete Formula Calculator, Rigid Pavement Design xls Suite - Full Suite of Concrete Pavement Design Spreadsheets. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 143 0 R /Group<>/Tabs/S>> endobj Flakiness Index of aggregates used in road construction should be less than 15% and normally does not exceed 25%. The aggregate to be classified is separated into seven sieve fractions from 6,3 to 63 mm. As of May 20, 2008 the MnDOT Laboratory Manual is only available as an electronic version, see Transmittal Letter 08-01. n3kGz=[==B0FX'+tG,}/Hh8mW2p[AiAN#8$X?AKHI{!7. x| |T9>dI2&B-C6! Hg+L#xbU4~.vL6Ukm?AADEdtXDnS?[0pR-#2"5XZw*z:]iR|Vo4 2Z)t,;+)$ yK)ZBD0+5]Oel +m <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/MediaBox[ 0 0 612 792]/Contents 166 0 R /Group<>/Tabs/S>> As of May 20, 2008 the MnDOT Laboratory Manual is only available as an electronic version, see Transmittal Letter 08-01. Maximum permitted elongated index is 35%, 40% or 45% for aggregate size 21/2" - 2", 11/2" - " and 1/2" - ".