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The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. With aggregate of aggregate crushing value 30 or higher, the result may be anomalous, and in such cases the ten percent fines value should be determined instead. 2. apparatus required
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Transportation Engineering Laboratory Bachelor of Technology ... AGGREGATE CRUSHING VALUE TEST Objective: To determine crushing strength of given aggregate sample IS Standards used: IS-2386 Part- 4 and BS: 2009 Need and scope: This is one of the major mechanical properties required in a road stone. The test evaluates the
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This document outlines the procedure to determine the aggregate crushing value of coarse aggregates. The aggregate crushing value test measures the strength of aggregates and their resistance to crushing under gradually applied …
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The crushing value test of aggregate provides the resistance of an aggregate sample to crushing under a gradually applied compressive load. Generally, the test is conducted on aggregate passing 12.5 mm and retained on a 10 mm sieve.
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Aggregate Crushing value test - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. The aggregate crushing value test result was 16.26%. This indicates that the aggregates are of lower quality as higher values mean more aggregates crush into smaller pieces. The aggregates can be used for concrete in non-wearing surfaces but not …
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aggregates crushing test. The aggregate crushing value provides a relative measure of resistance to crushing under a gradually applied compressive load. To achieve a high quality of …
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Prediction of Aggregate Impact Values and Aggregate Crushing Values Using Light Compaction Test December 2021 Journal of Applied Engineering Sciences 11(2):93-100
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1. AGGREGATE CRUSHING VALUE TEST AIM: To determine crushing value of the aggregate. THEORY The principal mechanical properties required in road stones are (i) satisfactory …
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Aggregates lab report.PDF - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The document records the results of experiments conducted on aggregates to determine various properties. It includes procedures to …
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Download Free PDF. TRANSPORTATION ENGINEERING LAB MANUAL 2013 DETERMINATION OF AGGREGATE CRUSHING VALUE ... APPARATUS The apparatus of the aggregate crushing value test as per IS: 2386 (Part IV) – 1963 consists of: 1) A 15cm diameter open ended steel cylinder with plunger and base plate, of the general form and dimensions as …
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If the aggregates are weak, the stability of the concrete structure is adversely affected. The strength of coarse aggregates is assessed by Aggregate Impact Value test. The aggregate impact value provides a relative measure of resistance to sudden shock or impact. APPARATUS 1. Aggregate impact testing machine 2. Cylindrical mould 3. Tamping rod 4.
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Procedure The aggregate sample: The material for the standard test consists of aggregates sized 10.0 mm to 12.5 mm.The aggregates must be in a surface dry condition before testing. The aggregates may be dried by heating at 100 oC – 110 o C for not more than 4 hours and cooled to room temperature before testing, if necessary.
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Aggregate Crushing Value = (B/A) X 100 Where A = weight of oven-dried sample B = weight in 'g' of fraction passing through 2.36 mm IS sieve. 6. Results The mean of the two results shall be reported 7. Video Aggregate Crushing Value Test 8. Download Download PDF
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getting reproducible results. On the contrary, the aggregate crushing test is simple, rapid and gives fairly consistent results. Application of Aggregate Crushing Test: The aggregate crushing value is an indirect measure of crushing strength of the aggregates. Low aggregate crushing value indicates strong aggregates, as the crushed fraction is low.
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This test, prescribed by BS 812: Part 110:1990, assesses the resistance of an aggregate to crushing, indicating its ability to withstand compressive loads.
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Aggregate Crushing Value -1. Aggregate Crushing Value{IS: 2386 (Part IV) – 1963} Aggregates used in the construction, should be strong enough to resi ... enough to resi 295 23 105KB Read more. Aggregate Crushing Value BS 812-110 and BS en 1097-2. Determination of Aggregate Crushing Value Include your Laboratory Test Reference: Include your ...
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If available, a copy of the certificate of sampling shall be provided. The test report shall contain the following additional information: a) sample identification and sample description; b) the aggregate crushing value (ACV).
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To determine the aggregate crushing value of the given specimen. 2. To determine the aggregate impact value of the given specimen. 3. To determine the Specific gravity and water absorption of an aggregate sample. 4. To determine the abrasion value of coarse aggregate by using Los Angles machine. 5. To determine the penetration value of the ...
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IS 2386(Part 1):1963 Methods of Test for Aggregates of Concrete- Particle Size and Shape. Reaffirmed-Dec 2016 4. Procedure 1. A quantity of aggregate shall be taken sufficient to provide the minimum number of 200 pieces of any fraction to be tested. 2. The sample shall be sieved with the sieves specified in Table 1: Size of Aggregate
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Objective: Determine the aggregate crushing value of coarse aggregate. Assess suitability of coarse aggregates for use in different types of road. Theory: The "aggregate crushing value" …
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compressive load. With aggregate of aggregate impact value (AIV) higher than 30 the result may be anomalous. Also aggregate sizes larger than 14 mm are not appropriate to the aggregate impact test. The standard aggregate impact test shall be made on aggregate passing a 14. mm BS test sieve and retained on a 10.0 mm BS test sieve.
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The aggregate crushing value (ACV) of an aggregate is the mass of material, expressed as a percentage of the test sample. which is crushed finer than a 2,36 mm sieve when a sample of aggregate passing the 13,2 mm and retained on the 9,50 mm sieve is subjected to crushing under a gradually applied compressive load of 400 kN. 2 APPARATUS 2.1 An ...
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Calculate the Aggregate Crushing Value (ACV) expressed as a percentage to the first decimal place, of the mass of fines formed to the total mass of the test specimen from the following …
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Aggregate Crushing Value (ACV) = 3172.8 × = 36.81% 1261.7 Sample2. Aggregate Crushing Value (ACV) = 3107.4 × = 40.60% Aggregate Crushing Value (ACV) = = (ACV for Sample A + ACV for Sample B) 33.81+40.60 2 = 38.71% 2 6.0 DISCUSSION During the laboratory the dry test was conducted, that is, the aggregate was in surface dry condition ...
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Aggregate Crushing Value (ACV) – this is the measurement of the resistance of aggregate to crushing by compressive force. A test specimen (10-14mm) is compressed (up to 400 kN) and the proportion of material passing 2.36 mm is the ACV (mean value of two tests). The higher the value the weaker the aggregate.
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The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. With aggregate of aggregate
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More: Aggregate Crushing Value Test – Procedure and Result Preparation of Sample For Flakiness and Elongation Index Test Sample Preparation: IS Sieve Prepare aggregate sample for the test by sieving between IS sieve 6.3 mm size at the bottom and 63 mm IS sieve at top.Separate sample retains on each sieve.The collected aggregate sample should ...
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Here I have explained about crushing value test of road aggregate. Read definition, apparatus, IS code, procedure, observations, formula, result, lab report about aggregate crushing value test of coarse aggregate. …
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LABORATORY TEST AGGREGATE CRUSHING VALUE (ACV) GROUP MEMBERS MUHAMAD AIMAN BIN ABU NAZRI 2019294042 HAIDEL HAZEM BIN HARUN 2019848812 MUHAMAD HAIKAL HARITH BIN RIDZUAN ... LAB Report AGGREGATE CRUSHING VALUE (ACV) Course: Civil Engineering (infrastructure) (EC221) 175 Documents.
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This test is repeated once or twice and the average crushing value of the aggregate is determined. The average crushing value in the different tests is the actual crushing value of aggregate. Important points to remember. It is recommended that the crushing value of aggregate should be less than 30%.
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aggregate crushing value 1 Table 1 — Principal dimensions of cylinder and plunger apparatus 2 Table 2 — Guide to minimum mass of test portions required to obtain a suitable mass of material to determine the aggregate crushing value 2 Table 3 — Particulars of test sieves for testing other size fractions of aggregates 5
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The Aggregate Crushing Value (ACV) test is a fundamental measure of a material's resistance to crushing under a compressive load. It is widely used in the construction industry to assess the strength of aggregates …
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per cent material passing a specified sieve after crushing. The procedure described in SABS Method 842 is followed. Definition The 10 per cent Fines Aggregate Crushing Value is the force in kN required to crush a sample of -13,2+9,5mm aggregate so that 10 per cent of the total test sample will pass a 2, 36 mm sieve. 2 APPARATUS As in SABS ...
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4 Transportation Engineering Lab report OBSERVATION AND CALCULATION: The ratio of weight of fines formed to the weight of total sample in each test shall be expressed as a percentage, the result being recorded to the first decimal place. Aggregate crushing value = (W2 x 100) / (W1-W) W2 =Weight of fraction passing through the appropriate sieve W1-W =Weight of …
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The Aggregate Impact Value (AIV) (M2/M1)x100 19 % 23 %. AIV = M2/M1 * . Average aggregate impact value of the sample is 21 %. DISCUSSION 1. Give the impact value of a good aggregate to ensure the strength of the. aggregate used in road construction. -Aggregate impact value is measure of toughness of aggregate.
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Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load. Coarse aggregate crushing value is the percentage by weight of the crushed material obtained when test aggregates are subjected to a specified load under standardized conditions.
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