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Ten percent fines value is defined as the load taken by the soaked sample at ten percent of fines. APPARATUS. Standard Compression Testing Machine. A cylindrical metal measure having an internal diameter of 57 ± 1 mm and an internal depth of 90 ± 1mm; Steel cylinder open ended with plunger and base plate with a normal internal diameter of 75mm B/A X100 = 11) Force required to produce ten percent fines = X = the maximum force (kN) Y = mean percentage fine from two test at the X (kN) Force. NOTE: If test 1 gives the percentage of fine between 7.5 to 12.5 repeat the test using the same max. force Otherwise calculate the force to get the fines within the range. Make a repeat test. Ten Percent Fines Value (TFV) is the force required to produce ten percent fines with the percentage of material passing in the range 7.5 % to 12.5 %, from the following expression, where f (PDF) RELATIONSHIP BETWEEN AGGREGATE CRUSHING VALUE 2000. 2. 7. The 10 per cent Fines Aggregate Crushing Value (10 % FACT) as defined hereunder is determined by measuring the load required to crush a prepared aggregate sample to give 10 per cent material passing a specified sieve after crushing. Determinationof the ten percent fines value.Bs iso 20290-4 2019aggregates for concrete.This document gives the test method for determination of ten percent fines value tfv of aggregates.This method gives a relative measure of the resistance of the aggregate crushing under the gradually applied compressive load. Ten Fines Value Centroteologico certifie of test determination of ten percent fines value to b.s. 812 pt 111: 1990. average percentage fines (m) 7.6 force required to produce ten percent fines = 14 (f) 127.9 m+4 ten percent fines value (tfv) of wet/ dry aggregate (nearest 10kn for . Determinationof The Ten Percent Fines Value Ten percent fines value (%) = (W2/W1) x 100. Which shall fall between 7.5 to 12.5 % If not a repeat shall be made with adjusted load to bring the fines within the range of 7.5 to 15.0 percent. The mean percentage fines from the two tests (say Y %) at this load Methods for determination of ten per cent fines value (TFV) (Obsolescent and partially superseded but remains current) Publication Year 1990 Document Status Caution. Newer versions. Abstract Methods which give a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Document History Ten percent fines value is a measure of the resistance of aggregate crushing subjected to loading and it is applicable to both weak and strong aggregate. Fine aggregates are defined as those passing 2.36mm sieve. The test aims at looking for the forces required to produce 10% of fine values (i.e. weight of fines aggregates/weight of all aggregates
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