This test is done to determine the aggregate impact value of coarse aggregate as per IS 2386 (Part-IV) 1993. Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993. Theory and Scope. The property of a material to resist impact is known as toughness. Due to movement of vehicles on the road, the aggregates are subjected to impact resulting in ...
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Now, the final report of aggregate impact value is calculated as, Final report of aggregate impact value test. Weight of oven dried aggregate sample (A) = 332.8 gm. Weight of fraction (dust) of aggregate passing through 2.36 mm sieve (B) = 23.2 gm. Aggregate impact value,
Aggregate Impact Value test we civil engineers. Jan , aim to determine the aggregate impact value of coarse aggregates as per is part iv apparatus i impact testing machine conforming to is part iv ii is sieves of sizes Mm, mm and Mm iii a cylindrical metal measure of mm dia and mm depth iv a tamping
The general test procedure of the aggregate impact value test is briefly described below. Objectives of Impact Test. 1. To assess the suitability of the aggregate to be used in the highway pavement. 2. To determine the aggregate impact value. Apparatus Required. 1. An impact testing machine weighing between 45kgs to 60 kgs with a metal base. 2.
Jun 14, 2012 Aggregate impact value test 1. Aggregate Impact Value TestAim: To conduct a test to determine aggregate impact value of coarseaggregate.Note: Aggregate Impact Value gives a relative measure of the resistanceof an aggregate to a sudden shock or impact which differs fromcrushing strength.IS: 2386 Part IV.Apparatus:Impact Testing Machine, Tamping Rod, Sieves 12.5mm, 10mm …
Aggregate impact value is used to classify the stones in respect of their toughness property as indicated below in Table 1. Table 1: Classification of aggregate based on aggregate impact value Aggregate impact value (%) Quality of aggregate 10 Exceptionally strong 10 – 20 Strong 20 – …
In this task, students will exposed to the apparatus on how to measure the Aggregate Impact Value of natural aggregate used in laboratory. 1.2 Objectives To determine the aggregate impact value (AIV) of natural aggregate used in the laboratory 1.3 Learning Outcomes At …
Jul 16, 2014 Aggregate impact value test gives an indication of aggregate’s toughness property (i.e. property of a material to resist impact) Aggregate impact values are used to classify the stone aggregates with respect to toughness property as given below. Aggregate impact value (%) Toughness Properties 10 Exceptionally tough / Strong 10 – 20 Very tough / Strong […]
Aggregate is a granular material obtained by processing natural materials.BS882 splits aggregate into coarse and fine elements, coarse being described as gravel or crushed rock and fine being described as sand.Aggregate consists of particles of a rock, of a controlled particle size distribution, used in the construction of a building or civil engineering structure.
The aggregate impact value indicates a relative measure of the resistance of aggregate to a sudden shock or an impact, which in some aggregates differs from its resistance to a slow compressive load. The method of test covers the procedure for determining the aggregate impact value of coarse aggregates.
Impact Value of Coarse AggregateJaggu Dada. Sep 06 2018 Object-This Method of test covers the procedure for determining the aggregate impact value of coarse aggregate. Note- Some means for automatically recording the number of blows is desirable. b) Sieves- …
The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some aggregates differs from its resistance to a slow compressive load. 2.Apparatus Required Fig. 1: Balance Balance should be accurate upto 1 g Fig. 2: Sieves Seives required are 12.5, 10.0 and 2.36 mm Fig. 3: Impact ...
The aggregate impact value indicates a relative measure of the resistance of an aggregate to a sudden shock or an impact, which in some aggregates differs from its resistance to a slow compressive load. The method of test covers the procedure for determining the aggregate impact value of coarse aggregates.
Nov 30, 2017 Aggregate Impact Value Testing Machine. Sieves (12.5mm,10mm) Cylindrical metal measure (internal diameter 75 mm and depth 50 mm)Tamping Rod (10 mm in diameter and 230 mm long, rounded at one end.Balance. Oven(300 0 c)
Aggregate impact value(%)=(W2/W1)x100 . 9.52% . Result: ... Theory Fineness modulus of coarse aggregates represents the average size of the particles in the coarse aggregate by …
Jan 31, 2015 Aggregate impact value Calculation And uses 1. Created by Shahryar & CO. 2. This test is done to determine the aggregate impact value of coarse aggregates AIV is basically a % ratio of 2.36mm sieved aggregate to 14mm aggregate sieve. The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine Sieves of sizes – 14mm, 10mm and …
Determine of Aggregate Impact Value Test: BS 812. Oct 27, 2017 Experiment Name: Determine of Aggregate Impact Value Test: BS 812. Purpose of the test: The Impact value of an aggregate is the percentage loss of weight particles passing 2.36mm sieve by the application of load by means of 15 blows of standard hammer and drop, under specified test condition.
Mar 21, 2018 The aggregate impact value is a measure of resistance to sudden impact or shock, which may differ from its resistance to gradually applied compressive load. Aggregate Impact Value {AIV} • AIV is the percentage of fines produced from the aggregate sample subjecting it to a standard amount of impact.
Aggregate Impact Value Test of coarse aggregate. Following Aggregate testing services can be received from BMRTD. AGGREGATES - According to BS, BSEN, ASTM etc. Grading of fine aggregate. including material finer than 75 m or 63 m; Grading of coarse aggregate; Organic impurities (fine aggregate)
Tests For Aggregates And Bricks MAY 2001 Page 7.26 7.6 Aggregate Impact Value 7.6.1 Scope. The aggregate impact value gives a relative measure of the resistance of the aggregate to sudden shock or impact. The particular purpose which an aggregate is meant to serve requires the aggregate to
Feb 08, 2012 AGGREGATE IMPACT TEST TABLE 12.1 Maximom Allowable Impact Value of Aggregate in Different Types of Pavement Material/Layers Aggregate impact value, maximum, % Water bound macadam (WBM). sub-base course Cement concrete, base course (as per 151) (i) WBM base course with bitumen surfacing (ij) Built-up spray grout, base course Bituminous macadam ...
Observations and Calculations Calculate the aggregate impact value (AIV) expressed as a percentage to the first decimal place for each test specimen from the following equation: 𝑀2 (𝐴𝐼𝑉) = 100 𝑀1 Where M 1 is the mass of the test specimen (in g); M 2 is the mass of the material passing the 2.36 mm test sieve (in …
The primary purpose of using coarse aggregates is to enhance the strength of the concrete. Moreover, the coarse aggregates will easily blend with other concrete ingredients and make it as a homogeneous element. The impact value test has been conducted on aggregate to determine its bearing capacity against sudden impact.
May 11, 2020 Aggregate Impact Value Test IS 2386-Part 5: 1963 May 11, 2020 July 24, 2020 Rajkumar ghagre 0 Comments aggregate DETERMINATION OF IMPACT VALUE OF COARSE AGGREGATE