flakiness index and elongation index test lab report

The maximum elongated index allowed is 35%, 40% or 45% for aggregate size 21/2 - 2, 11/2 - 3/4 and 1/2 - 3/8. = 45.7%. Separation of Elongated Material- Each fraction shall be gauged individually for length on a metal length gauge of the pattern shown in Figure 4. Rough-textured, angular, and elongated particles require more water Flakiness Index Gauge Elongation Index Gauge The Dimension shown in the thickness gauge is equal to 0.6 times the mean sieve size. The cement concrete materials whose geometric characteristics were tested were fine and coarse aggregates. The present study has been undertaken by keeping five important goals in mind these are (i) Environmental protection (ii) sustainable waste minimization (iii) improved durability of roads (iv)Resources/Energy conservation (v) Economy of road. Flakiness Index 9. Note: As per IS standard Flakiness & Elongation Index taste are not applicable when aggregate size is smaller than 6.3mm. Particle size distribution is then expressed as a percent retained by weight on each sieve size. The flakiness index of an aggregate sample is found by separating the flaky aggregates by sieving. % Sorry, preview is currently unavailable. IS sieves of the . 45 mm. 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. APPARATUS 1) Thickness/Flakiness Index Gauge. Participated in project engineering reviews, studies and site investigations. Reaffirmed Dec 2016 ASTM 4791-10: Standard Test Method for Flat Particles, Elongated Particles or Flat Elongated Particles in Coarse Aggregates,. Roads in the form of trackways, human pathways etc. Flakiness index and elongation index are two important types of indices useful in determining the concentration of a given sample by means of the particles that are present in the sample. Elongation Index is the percentage by weight of particles in it, whose largest dimension (i.e. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds toupgrade your browser. Separation of Elongated Material- Each fraction shall be gauged individually for length What is Elongation Index 4. sbm determination of aggregate crushing value lab reportAggregate impact and crushing test LinkedIn SlideShare Feb 08,2012 Elongation Index 10. In such cases if the estimation of the soundness value could be developed on the basis of some tests which are quick to perform, less time consuming and cheap, then the process will help the constructors enormously. The significance of flackiness & elongation index is as follows : The degree of packing of the particle of one size depen upon their shape Due to high surface area to volume ration, the flaky and elongated particle lower the workability of concrete mixes. These two types of plastic were seen to be satisfactory in improving the properties of flexible pavements. C " as per Client Requirement. Schedule for laboratory testing of soil and rocks according to the requirements Soil related testing such as Sieve Analysis, Limit and Plastic limit & Plasticity Index, Proctor test & CBR. must also be increased to maintain the water-cement ratio. '' sieve. Flakiness index test lab report pdf Flakiness and Elongation Index Test are very important tests to be performed on aggregate in the laboratory. NDT Test-(compressive strength of concrete & ultrasonicpulse velocity). 4 of Table 1 for the appropriate size of material. The cumulative percentages passing each sieve are reported in numerical form or in graphical form. Aggregate impact value test also gives an indirect indication of the strength characteristics of aggregate Aggregate impact value of a sample also depends on the shape factors such as flakiness index and elongation index of the aggregates It has been found that for majority of aggregates the aggregate crushing value and aggregate impact . Aggregate sample to be tested 3. Well we are very concerned with the present scenario of the world that civilization are being dominated by wastes, thus waste plastic, glasses etc. Lehman Statistical Test Oxford Progressive English Answers Book 2 Fleetwood Bounder 38n Diesel . a) BS - 1241 specifies a Flakiness Index not exceeding 30% irrespective of the size of the aggregates. Estimation of material cost in concrete works. According to BS-1241, a flakiness index should not exceed 30% regardless of aggregate size. Using various softwares (such as NLREG-Nonlinear Regression and Curve Fitting; MRA&F; XLSTAT), a general relationship between the soundness property and other various characteristics of aggregates (from J&K) has been developed. conclusion based on the objective for this experiment is to identify the flakiness and elongation index of the given aggregrate samples, we indentified the flakiness and elongation is not influenced each other.we get the value for the flakiness index is 26.3% and for the elongation index is 22.4%.not so much different between both of the two And then, these two aggregate and 0-5mm aggregate were mixed with various ratio. Flakiness Index iv. Objective(s) of the Experiment. The Flakiness And Elongation Index Test Gauges is used to estimate the applicability of coarse aggregate used in the cement and concrete mixture, it can determine the percentage of the aggregate that over than 4.75mm size ( needle or flake). 1 0 obj length) is greater than one and four-fifths times its mean dimension. The aperture sizes and the number of sieves are selected in accordance with the nature of the sample and the accuracy required. Two types of plastic were taken thermoplastics and thermoset having their relationship with the heat i.e. Checking the hardened concrete for its Compressive Strength Test (7 days and 28 days) by cube method. grading-particle size distribution expressed as the percentages by mass passing a specified set of sieves. 2.0 Objective To determine the flakiness index of aggregates. <> stream Determination of the Specific Gravity and Water Absorption of the Aggregates. Trailer. 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. The apparatus shall be consisting of following:-Weight Balance (Digital balance):-Used for weighing the aggregate sample and It shall have an accuracy of 0.1 percent of the weight of the test sample.Elongation or Length gauge:-Used for passing different sizes of aggregate between different size ranges gaps on . This test is not applicable to sizes smaller than 6.3mm. <> A sample is a representative small portion from a larger whole or group of materials. Initiated to basic tests such as: Flakiness Index, Elongation Index, Sieve analysis, California Bearing Ratio, Liquid and Plastic limit, Use of admixtures. The total amount retained by the length gauge shall be weighed to an accuracy of at This test is carried out to determine the flakiness index of aggregates. Table 06: Flakiness index results Statistics Flakiness Index Range 11-35 Mode 22 Specified maximum Limit 40 g. Elongation Index Standard Test Method used: BS 812:1989:Section 105.2, BS 882:1992(Ref.3). direct incorporation of waste products in bitumen as additives to improve its physical properties thereby increasing the serviceability of roads. Characteristics of PAAS are mainly used to test, implement, develop, and maintain applications. The different laboratory test was conducted to determine the Individual properties like Aggregate crushing value, Impact value, Specific Gravity, Los Angeles Abrasion, Flakiness Index, Elongation . Road Construction Materials Basic Knowledge and Test Procedures, EVALUATION OF NGURORE TERTIARY VOLCANIC ROCKS FOR HIGHWAY PAVEMENTS AND CONCRETES, NORTHEASTERN NIGERIA - Y.B. Follow the Testing of Material as per Indian Standard code (IS-Code). As such the flakiness and elongation test must be carried out to determine the suitability of the material. Further Investigation on Damage Model of Eco-Friendly Basalt Fiber Modified Asphalt Mixture under Freeze-Thaw Cycles Machine offered by Reliable Lab Equipment Co Ambala Haryana Flakiness and Elongation Test PDF Free Download April 10th, 2019 - Elongated and flaky stones are normally not very . were used even for the prehistoric times. Specifications: Additional Information Item Code AT-215-216 Interested in this product? Potential Alkali - Silica Reactivity of Aggregates 11. There are two methods of reducing the size of an aggregate sample: Splitting and quartering. REPORTING 3.1 Report all data and information pertinent to this testing using SiteManager form 'Tx224.xlsm'. AIV Lab Report; Tealive Study - assignment; . to produce workable concrete than smooth, rounded compact aggregate. It was found among other findings that aggregate characteristics such as; shape, texture and grading contribute significantly to the performance of fresh portland cement concrete. length gauges, expressed as a percentage of the total weight of the sample gauged. Valdon, U. Kaigama and G.A. Specials; Thermo King. 3. International Educational Applied Scientific Research Journal. 3, or in bulk on sieves having REPORT Report the result obtained to the nearest second decimal. This test is not applicable to sizes smaller than 6.3mm. fines-particle size fraction of an aggregate which passes the 0,063 mm sieve. The test is not applicable to material passing 6 mm sieve or retained on 50 mm sieve. 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. Large scale road constructions are taking place over the length and breadth of India due to adoption of various intensified activities in road construction in India like PMGSY, etc. The internal characteristic properties while tested were increments throughout the wax, plastic & glasses when used in percentage also showed a desirable variation in the bitumen where all the results were seen at macroscopic level. 2.0 Objective To determine the flakiness index of aggregates. report form. pieces of any fraction to be tested. Sorry, preview is currently unavailable. Academia.edu no longer supports Internet Explorer. brochure (1) (4) - Read online for free. It was also found that uniform particle size distribution having proper amount of each size produces aggregate blends with high packing density. $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ? Note 1-This form is available from the Materials & Tests Division/Soils & Aggregates Section. Furthermore, you can find the "Troubleshooting Login Issues" section which can answer your unresolved problems and equip you with a lot of relevant information. It consists of a steel frame Supervise and verify Slump Test, Temperature checking of fresh concrete. to determine the elongation index of the given aggregates. 4.2 Report the Flakiness Index to the nearest whole number. 1/4 sieve. Limit of flaky particles in the mixes is 30%. The mass of the particles retained on the various sieves is related to the initial mass of the material. A high flakiness index test result indicates a high proportion of elongated aggregates, a low test result indicates a low proportion of elongated aggregates. It was also found that aggregate blends well with well-shaped, spherical, cubical, rounded and smooth particles that require less cement and water for a given slump than it blended with flat, elongated, angular and rough particles. %PDF-1.4 The total amount passing the gauge shall be weighed to an accuracy of at least 0.1 percent of the weight of the test sample. Jul 04, 21 (Updated at: Jul 09, 21) Report Your Issue. You can download the paper by clicking the button above. TriPac (Diesel) TriPac (Battery) Power Management Hence we offer thickness gauge and length gauge to check flakiness and elongation index of the aggregate respectively. What is Flakiness Index 3. This test is not applicable to a size less than 6.3 mm. The test flakiness index of aggregate is used to determine the particle shape of the aggregate specimen and each particle shape being preferred under specific condition. is everywhere from a single plastic bag at a shop to a manufacturing automobiles company ,electronic, communication etc. The properties of the aggregates affect both the fresh and hardened properties of concrete. This utilization of wastes is eco-friendly and we can reduce the cost of bitumen being a petroleum product is costly. 6. avoided or are limited to about 15 % by weight of the total aggregate. Since then many experiments were going on to make the riding safe and comfort. Precedent Precedent Multi-Temp; HEAT KING 450; Trucks; Auxiliary Power Units. Mauritius. Close suggestions Search Search The elongation index test procedure contains following steps. # checking field densities and monitoring of all samples in the laboratory. | Find, read and cite all the research you need . An aggregate is said to be flaky if its least lateral dimension is less than 0.6 times the mean dimension. on a metal gauge of the pattern shown in Fig. Dorcas, UTILIZATION OF WASTE CONCRETE AS AN AGGREGATE TO PROTECT THE ENVIRONMENT. According to BS-1241, a flakiness index should not exceed 30% irrespective of the aggregate size. The flakiness of aggregate is determined by measuring the thickness of individual particles. Elongated Aggregates A flaky particle is the one whose least dimension (thickness) is than 0.6 times the mean size. Balance should be able to weigh upto 1 g. Sieves required are 63, 50, 40, 31.5, 25, 20, 16, 12.5, 10 and 6.3 mm (Based on requirement %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz To browse Academia.edu and the wider internet faster and more securely, please take a few seconds toupgrade your browser. Thus road construction became an inseparable part of many civilizations and empires. Elongation Index= ( (Total weight of material retained on various length gauges) / (Total Weight of sample taken)) X 100. Review the detail engineering, Testing at laboratory, Material Quotation, Testing Report etc. FLAKINESS INDEX TXDOT DESIGNATION: TEX-224-F MATERIALS AND TESTS DIVISION 2 - 3 EFFECTIVE DATE: APRIL 2022 Figure 1Flakiness Index Metal Gauge Plate. Read also: The flakiness & elongation index test is connected as thickness gauge and length gauge respectively. . As conventional binders have not been able to meet the requirements of special locations such as expressways, bus stops, intersections, etc. In this study comparison of soundness property with various other properties of aggregates by the help of mathematical models and validation of the devised mathematical models has been made. As such the flakiness and elongation test must be carried out to determine the suitability of the material. Designing , testing and controlling of Concrete Pavement Blocks, Concrete Pipes, among others Testing and evaluation of different sizes of crushed rock ranging from particle size distribution, Flakiness Index, Elongation, Impact test, 10% fines and a host of others. Elongation Index: As per IS 2386 (Part 2):1963, cl. The aggregate to be classified is separated into seven sieve fractions from 6,3 to 63 mm. The elongation index of an aggregate is the percentage by weight of particles in . Flakiness index is expressed as their weight as a percentage of the weight of the sample tested. 1. The test does not apply to sizes smaller than 6.3 mm. all-in aggregate-aggregate consisting of a mixture of fine and coarse aggregates. Such aggregates may have larger variations in their engineering properties due to variety of reasons. You can download the paper by clicking the button above. The elongation index is found by separating the elongation particles and expressing their mess as a percentage of the mass of sample tested. Flakiness Index vs Elongation Index in Tabular Form 5. P( ( ( ( ( ( ( ( uMnDyy~wu~"c`m|m ] k^Q Q. 105.1, BS 882:1992(Ref.3)Test results obtained from flakiness index test are summarized in Table 7: All the samples tested passed this test. Flakiness & Elongation Index Test Gauges Thickness Gauge (Flakiness Index BS), comprising 4.9x30 - 7.2x40 - 10.2x50 - 14.4x60 - 19.7x80 - 26.3x90 - 33.9x100 mm slot dimensions Flakiness (Thickness) Gauge Used for Determination of flakiness index of coarse aggregates. 3 APPARATUS passing Total Nos. # preparing the summary report and test report for submission to the resident engineer. But proper estimation of variation in properties of the materials used for construction work can only ensure the satisfactory performance of the constructed road with cost effectiveness. If the flaky particles are greater than 30% then the aggregate is considered undesirable for the intended use. Reaffirmed- Dec 2016, Table 3 : Recordings for Elongation Index. Supervision and performing of Grading, specific Gravity, Flakiness And Elongation Conducting Lab Trial Mix under supervision of Material Engineer. Thickness of these particles are comparatively smaller than the other two dimensions. Elongated and flaky stones are normally not very suitable for road works since the shape and the size make them difficult to compact. 4. = (526/1150) X 100. Flakiness Index = [W 2 / W 1] x 100 Where, W 2 = Weight passed from 0.6 x d mean size W 1 = Total weight of aggregates 3.0 Apparatus a. The flakiness index is used to describe the average particle shape of aggregates including those used for concrete. w !1AQaq"2B #3Rbr For that aggregates are collected from extensive areas. FLAKINES S INDEX ELONGATIO N INDEX (%) 0 0 (kg) 1 1 (kg) 0.2064 0.0956 (kg) 0 0 (%) 20.64 9.56 Calculation Flakiness index (%) = Nos. Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. There are various types of PAAS-private PAAS and public PAAS. The Flakiness Index on an aggregate is = Total weight passing Flakiness Gauge x 100 / Total weight of test sample =_____(%) 2. Sayed Sajid H.Zidani Transportation Engineering Laboratory Manual BASWESHWAR JIRWANKAR Sieve test YASMINE HASLAN DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE. The soundness property test result is one of the important parameter used effectively for such assessment. Take the aggregate sample which contains minimum 200 pieces of any fraction. The flakiness of aggregate is determined by measuring the thickness of individual particles. Waste plastic is a danger to environment that lead it to be in unbalanced state and unbalanced state of environment may the humans unbalanced later .the toxic emission, improper disposal releasing dangerous chemicals. This test gives the percentage of flaky and elongate aggregate present in the total aggregate sample. The elongation test is not applicable to material passing 6.30 mm sieve or retained 50mm sieve. One of the most important property of aggregates is the resistance to weathering action or soundness .The stone aggregates should retain the strength characteristics and should not disintegrate under adverse weather conditions including alternate dry and wet/freeze-thaw cycles or in other words the aggregates should have enough durability or resistance to weathering action. Definitions (EN 12320) aggregate-granular material used in construction. 5.0. An aggregate is said to be elongated if its largest lateral dimension is greater than 1.8 times the mean dimension. aggregate size-designation of aggregate in terms of lower (d) and upper (D) sieve sizes expressed as d/D fine aggregate-designation given to the smaller aggregate sizes with D less than or equal to 4 mm coarse aggregate-designation given to the larger aggregate sizes with D greater than or equal to 4 mm and d greater than or equal to 2 mm. . Plasmid Dna Isolation Lab Report Design Gate And Grill Pentecost Storyboard For Children Get Latest Price from the seller Contact Seller The aggregate to be classified is separated into seven sieve fractions from 6.3 to 63 mm and each fraction is examined separately. " sieve. change of state. Test Method for Clay Lumps and Friable Particles in Aggregates 8. Elongated and flaky stones are normally not very suitable for road works since the shape and the size make them difficult to compact. Aggregate related testing such as Sieve Analysis, Flakiness & Elongation, Specific gravity & water absorption, Loss Role and Responsibilities be that specified in co1. Report DMCA, Flakiness and Elongation Test (BS 812: Part 3) 1.0 Introduction The type of rocks and the type of crushing machine highly determine the shape and size of the aggregates produced. Schedule for laboratory testing of soil and rocks according to the requirements Soil related testing such as Sieve Analysis, Limit and Plastic limit & Plasticity Index, Proctor test & CBR. 200) Sieve in Mineral Aggregates by Washing 7. it. This test is not applicable to sizes smaller than 6.3mm. A metal gauge plate, Flakiness, Elongation And Angularity Number. Weighing balance 4. Flakiness and elongation index; Weekly QUIZ Chemistry 2; Faktor keruntuhan tamadun (Essay) Fashion defines a person character . Plastic taking its position in environment in order to destroy it. Aggregate may be natural, manufactured or recycled.
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