checking the mechanical properties (Aggregate Impact Value, Aggregate Crushing Value, and Ten Percent Fines Value), and shape characteristics (Flakiness Index, Elongation Index and Angularity Number) of aggregates used in roadway construction. The test procedures are described as per BS: 812:1975 (PART 1, 2, 3) standards.
Aug 12, 2019· So the aggregate percentage is the marks per cent you have scored but instead of considering the percentage for all the subject here we calculate the percentage of marks of some subjects only. For example: suppose you have 5 subjects in a total and you have asked to calculate your percentage for only first three subjects then that percentage of ...
These two aggregate samples were tested for sieve analysis test, relative density test, water absorption test, ten percent fine test, aggregate crushing value test (ACV), Aggregate impact value test (AIV), and Abrasion value test. Findings revealed that the best aggregate for road construction is the aggregate from Isi-Agu.
Ten Fines Value Barta Immobilien. Ten percent fines value tfv - namicon.A 258 aggregate impact value aiv apparatus bs 812-112 aggregate crushing value acv ten percent fines value tfv bs 812 standard test a 25701 steel cylinder internal dia.150 mm, supplied with plunger and base plate a 25702 metal measure dia.115 x 180 mm at 211p steel tamping rod dia.16 x 600 mm tests for aggregates.
Aggregate impact and. Feb 08, 2012· 100 W2 ggregate crushing value = WIResults The mean of the crushing value obtained in the two te;tsis reported as the aggregate crushing valueDetermination of Ten Percent Fines Value The ten percent fines value is a measure of resistance of tbe aggregates to the crushing.. IS 2386-4 (1963): Methods of test for aggregates for
.The mean of the crushing value obtained in the two te<;tsis reported as the aggregate crushing value. Determination of Ten Percent Fines Value The 'ten percent fines' value is a measure of resistance of tbe aggregates to the crushing. The apparatus-and materials used are the same as for tbe standard aggregate crushing test.
Report the mean as the aggregate 10% fines value, unless the individual results differ by more than 10 kN or by more than 0.1 times the mean value. In this case repeat the test on two further specimens, calculate the median of the four results to the nearest whole number and report the median as the aggregate 10% fines value.
Methods of test for aggregates for concrete3.81 Мб. 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.
Aggregate crushing Value provides a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Ten Percent Fines Value used for testing aggregate smaller than 10 mm. Comprises: 150 mm or 75mm diameter …
fines 10% test A test that is similar to the aggregate crushing value (ACV) test. A sample of aggregate is subjected to varying loads and the percentage of fines calculated for each load. A graph of loading versus percentage fines is used to find the loading required for 10% fines. Source for information on fines 10% test: A Dictionary of Earth Sciences dictionary.
NOTE 1 -The 'aggregate crushing value' gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. With aggre- gate 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.
Sep 05, 2018· • The aggregate crushing value shall not exceed 30% 54. TEN PERCENT FINES TEST • The ten percent fines value gives a measure of the resistance of an aggregate to crushing, that is applicable to all aggregates. • The sample for test consists of surface dry aggregates passing through a 12.5 mm sieve and retained on 10 mm sieve.
Aggregate 'Ten Percent Fine Value' (TPFV): The other way of representing the strength of aggregate is the 'ten percent fine value' (TPFV), that is basically the load needed for 10% fines. As compared to aggregate crushing value test this test is more reliable for representing the strength of aggregate.
Aggregate Crushing Value (ACV) and Ten Percent Fines Value (TFV) These tests are a measure of the crushing properties of aggregate and use the same basic equipment. The ACV test requires a standard load of 400 kN to be applied over a period of 10 minutes while the TFV test measures the force required to produce a specified depth of plunger ...
Feb 08, 2012· SS (1974). SS73:1974 Specification for methods for sampling and testing of mineral aggregates, sand and fillers - Determination of aggregate impact value, aggregate crushing value and ten percent fines value. Singapore Standard, Singapore.2. Millard, R.S. (1993). Road building in …
Aggregate crushing value 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 aggregate crushing value.
IS:9376-1979 1. SCOPE 1.1 This standard covers requirements of the apparatus for measuring aggregate crushing value and ten percent fines value. 1.1.1 Two sizes of apparatus are covered in this standard, one with 150 mm cylindrical cell and the other with 75 mm cylindrical cell. 2.
Mar 15, 2021· Soaked aggregate crushing values. The ten percent fines value test measures the resistance of aggregates to crushing which differentiates weak from strong aggregates. The larger the TFV, the higher the resistance of the aggregates to crushing (Tam and Le, 2007).
The Ten Percent Fines value represents the load required to produce 10% fines. The test is performed with the same apparatus as the A C V test, but with a maximum load which produces a percentage of fines between 7.5 and 12.5%. Two determinations are required and the load which gives 10% fines is calculated and reported.
Sep 12, 2014· TEN PERCENT FINES VALUE (TFV) A 258 AGGREGATE IMPACT VALUE (AIV) APPARATUS BS AGGREGATE CRUSHING VALUE (ACV) TEN PERCENT FINES VALUE (TFV) BS 812 Standard test A 257/01 STEEL CYLINDER INTERNAL DIA. 150 mm supplied with plunger and base plate A 257/02 METAL MEASURE DIA. 115 x 180 mm AT 211/P STEEL TAMPING ROD DIA.16 x 600 mm Tests for aggregates smaller than 10 …
Description: Aggregate Impact Value AIV (Dry): Aggregate Impact Value AIV (Wet); Ten Percent fine value TFV (Dry); and Ten Percent fine value TFV (Wet) Method: BS 812 Part 111, BS 812 Part 112
Where permitted, the use of Category C50/10 for crushed gravels ensures that not more than 10% of the particles are fully rounded. (ii) Los Angeles coefficient – to control resistance to fragmentation. The Los Angeles test replaces the Ten Percent Fines (TPV) and the Aggregate Impact Value (AIV) tests. The Los Angeles test can only test
This British Standard, a Part of the BS 812 series, describes methods for the determination of the ten per cent fines value (TFV) of aggregates which give a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load.
the ten percent fines value aggregate discussion. 7.7 Aggregate Crushing Value and 10% Fines Value 7.7.1 . Figure 7.7.1 Outline form of cylinder and plunger apparatus for the aggregate crushing value and ten percent fines test e) A ventilated oven, thermostatically controlled at a temperature of 1050C plus or minus 50C.
Muhammad, I.G (2010): Regression Studies of Aggregate Crushing Value and Ten percent Fines for Nigerian Aggregates, Unpublished B.Eng. Thesis, Department …
Apparatus for determining ten percent fines value. Created Date: 8/19/2008 1:38:49 PM ...
Oct 03, 2019· The percentage of weight passed through the 2.36m IS sieve is known as Aggregate crushing value. In situations, when the aggregate value 30 or higher the result may be a mistake and in such cases, the "ten percent fines value" should be determined and used instead. Read More: Abrasion Test On Aggregate (Los Angeles Test)
2.21 The percentage fines from these two tests at the maximum load will be used in the following formula to calculate the load required to produce 10% fines. Force required to produce 10% fines = 14 x X y + 4 where X and y are as above. 3. Reporting of Results