flakiness index and elongation index test lab report

2) Length/Elongation Index Gauge. 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. Sayed Sajid H.Zidani Transportation Engineering Laboratory Manual BASWESHWAR JIRWANKAR Sieve test YASMINE HASLAN DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE. The flakiness index of an aggregate sample is found by separating the flaky aggregates by sieving. Supervise and verify Slump Test, Temperature checking of fresh concrete. Flakiness and Elongation Index Test are very important tests to be performed on aggregate in the laboratory. 45 mm. Now the applications have spread over the area of roof construction, for industrial purposes , carpet tiles, paints and as a special coating for waterproofing. . To browse Academia.edu and the wider internet faster and more securely, please take a few seconds toupgrade your browser. This test gives the percentage of flaky and elongate aggregate present in the total aggregate sample. In the past several attempts have been made to develop a relationship between the compaction characteristics and the CBR of different groups of soil. The Flakiness (Thickness) Gauge is used to determine if the aggregate particles are to be considered as flaky, i.e. 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 . And then, these two aggregate and 0-5mm aggregate were mixed with various ratio. IS sieves of the . AIV Lab Report; Tealive Study - assignment; . 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. Flakiness index test lab report pdf Flakiness and Elongation Index Test are very important tests to be performed on aggregate in the laboratory. The various studies have been conducted on the use of waste materials in road construction technologies but not much efforts have been put and extensive studies have not yet been made by using variety of plastic waste through wet technology i.e. The elongation index is the total weight of the material retained on the various 4 of Table 1 for the appropriate size of material. " sieve. pieces of any fraction to be tested. avoided or are limited to about 15 % by weight of the total aggregate. 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 According to BS-1241, a flakiness index should not exceed 30% regardless of aggregate size. By using our site, you agree to our collection of information through the use of cookies. Thickness/Flakiness Index Gauge 2. Consequently, the cement content 4.2 Report the Flakiness Index to the nearest whole number. 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). Frankly speaking concerned with the procedure of road laying this evil plastic cannot be fully eradicated but we can channelize the waste plastic in improving the bitumen roads and in spite of plastic low polymer wax, waste glasses is also an alternatives for an increment in strength of the road properties, this is not possible to degrade all the waste plastic. 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. 2.0 Objective To determine the flakiness index of aggregates. Thickness Gauge (Flakiness Index) Starting at $58.00 Length Gauge (Elongation Index) $135.00 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. The use of bituminous materials was initially limited to road construction. It is crucial to know the properties of the aggregates to be used in the making of concrete in order to obtain the desired quality in a concrete. Weighing balance 4. Review the detail engineering, Testing at laboratory, Material Quotation, Testing Report etc. In absence of adequate information from performance studies, a laboratory test simulating accelerated weathering condition is created to judge durability or soundness of aggregates. There are some apparatus which is used for Elongation Index Test. Well we are very concerned with the present scenario of the world that civilization are being dominated by wastes, thus waste plastic, glasses etc. NDT Test-(compressive strength of concrete & ultrasonicpulse velocity). In this view an attempt has been made to develop a correlation between the various physical characteristics of aggregates from different sources across Kashmir valley and adjoining areas in J&K, so as to develop a mathematical model depicting relationship between other physical characteristics & soundness property of aggregates. Limit of flaky particles in the mixes is 30%. Flakiness Index iv. Both Index tests Elongation of the Flakiness Index Elongation Index is not applicable to materials of sizes smaller than 6.3 mm, i.e. The flakiness index of aggregates is the percentages by weight of particles whose least dimension (thickness) is less than 3/5 th (0.6) of their mean dimension. Jul 04, 21 (Updated at: Jul 09, 21) Report Your Issue. JFIF ` ` C The present study deals with the development of modified binder formulations from plastomer and elastomeric type of waste with an aim to minimize the non-biodegradable the post consumer polymer waste as well as environmental hazard, to meet this objective different samples have been picked up from several kinds of waste so as cover different categories of polymeric waste from the domestic, industrial as well as medical waste. Take the aggregate sample which contains minimum 200 pieces of any fraction. TriPac (Diesel) TriPac (Battery) Power Management Aggregates: - Los angles Abrasion, Impact, Flakiness and Elongation Indexes and Specific Gravity, Soundness etc. 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. dimensions specified in co1. There are various types of PAAS-private PAAS and public PAAS. There are two methods of reducing the size of an aggregate sample: Splitting and quartering. These two types of plastic were seen to be satisfactory in improving the properties of flexible pavements. their thickness is less than 0.6 of their nominal size. Flakiness Index Test Flakiness Index Test on Aggregates for Shape Gharpedia com April 17th, 2019 - The flakiness index of course aggregate is defined in percentage by . The Elongation index of an aggregate sample is found by separating the elongated aggregates by sieving. What is Flakiness Index 3. Elongated and flaky stones are normally not very suitable for road works since the shape and the size make them difficult to compact. The elongation test is not applicable to material passing 6.30 mm sieve or retained 50mm sieve. According to BS-1241, a flakiness index should not exceed 30% irrespective of the aggregate size. This test is carried out to determine the flakiness index of aggregates. Elongation index iii. Both Flakiness and Elongation tests are not applicable to sizes smaller then 6.3mm i.e. 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. Soundness test takes at least 10 days for completion. $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ? After, sieve analysis, physical properties include flakiness and elongation index, abrasion value, aggregate impact value and water absorption were carried out on, RCA, VA, and bitumen free RAP aggregates and compared with Ministry of Road Transport and Highways (MoRTH, 2013) [17] and tabulated in Table 1. Checking the hardened concrete for its Compressive Strength Test (7 days and 28 days) by cube method. # preparing the summary report and test report for submission to the resident engineer. C " # checking field densities and monitoring of all samples in the laboratory. brochure (1) (4) - Read online for free. The test consists of dividing up and separating, by means of series of sieves, a material into several particle size classification of decreasing sizes. Elongated and flaky stones are normally not very suitable for road works since the shape and the size make them difficult to compact. Precedent Precedent Multi-Temp; HEAT KING 450; Trucks; Auxiliary Power Units. But in practice only limited number of such tests could be performed for evaluating these engineering properties because of high cost and time required for testing and as a result, it is difficult to reveal detailed variation in the soundness values to enable rational, economic and also safe construction. This serious problem can be used in road construction as we are concerned with the road laying technically laying of flexible pavements from mixing the aggregates are being heated to particular temperature of about 1600C and the shredded plastic is mixed with the aggregates transferred to bitumen mixing chamber of temperature 170oC and the test like Softening Point, Penetration, Ductility were seen satisfactory. Activities Performed:- Quality Control . it. Valdon, U. Kaigama and G.A. Determination of Particle Size Distribution Sieving Method (EN 933-1) In a sieve analysis, a sample of dry aggregate of known weight is separated through a series of sieves with progressively smaller openings. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds toupgrade your browser. As a result huge quantity of aggregate material is being needed for the constructions of sub-base in most of the situations. 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. <> The lack of a traffic signal is often cited as a contributing factor by drivers who are involved in accidents at intersections. 1. Two types of plastic were taken thermoplastics and thermoset having their relationship with the heat i.e. <> stream sbm determination of aggregate crushing value lab reportAggregate impact and crushing test LinkedIn SlideShare Feb 08,2012 6. Such aggregates may have larger variations in their engineering properties due to variety of reasons. Determination of elongation index YASMINE HASLAN Experiment no 03 Determination of the flakiness and the elongation index for . 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. The maximum sizes of coarse aggregate were 10mm and 20mm. Academia.edu no longer supports Internet Explorer. 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. The geometric characteristics conducted on the aggregates were flakiness index, elongation index and aggregate crushing value. 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. 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. You can download the paper by clicking the button above. on a metal gauge of the pattern shown in Fig. If the flaky particles are greater than 30% then the aggregate is considered undesirable for the intended use. It was also found that uniform particle size distribution having proper amount of each size produces aggregate blends with high packing density. Particle size distribution is then expressed as a percent retained by weight on each sieve size. least 0.1 percent of the weight of the test sample. Flakiness and Elongation Flakiness Index Sieve Set UTA-0410 When an aggregate particle has a thickness less than 0.6m of its mean sieve size, it is considered flaky. Overview and Key Difference 2. Problem in an empirical factor method that it can be determined in. Aggregate related testing such as Sieve Analysis, Flakiness & Elongation, Specific gravity & water absorption, Loss Role and Responsibilities Plasmid Dna Isolation Lab Report Design Gate And Grill Pentecost Storyboard For Children = (526/1150) X 100. Determination of the Specific Gravity and Water Absorption of the Aggregates. The aperture sizes and the number of sieves are selected in accordance with the nature of the sample and the accuracy required. elongated slots. 4. To learn more, view ourPrivacy Policy. The flakiness of aggregate is determined by measuring the thickness of individual particles. This test is not applicable to a size less than 6.3 mm. . of fractions = 20.64 + 9.56 2 = 15.1% Elongation index (%) =

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