Applications of stripping value test: Some types of aggregates have a lesser affinity with bitumen in comparison with water and hence stripping value of the bituminous binder is done when the mix is immersed in water. The problem of stripping in coated aggregate is not
Stripping value test on-road aggregate can be defined as the test performed to determine the effects of moisture content on the adhesion of the bituminous film to the surface particles of the aggregates. The stripping value is expressed as a percentage.
The more the stripping value, the poorer are the aggregates from point of view of adhesion. IRC has specified the maximum stripping value of 25% for aggregates to be used in bituminous road construction. You’ll also like: Marshall mix design method,apparatus and procedure. Aggregate Impact value Test Apparatus, Procedure and uses.
Stripping Value of Aggregates = (uncovered area aggregates / Total area of aggregates) x 100. The stripping value of aggregates = . %. At least 3 sample aggregates should be tested, and the average value is the stripping value of the aggregates. The stripping value should not be more than 5% of the total aggregate area.
A stripping test method is developed by Road Research Laboratory (RRL) England.In this test, the stripping value is measured by visual inspection. In this test, about 200 g of aggregates passing through 20 mm sieve and retained on 12.5 mm sieves are taken and about 5% by weight of the aggregates bitumen is taken.
The stripping value of bitumen or asphalt is obtained by means of visual experiment. The IRC (Indian Road Congress) explained the asphalt stripping value of aggregate should not be more than 25 percent. What is the need of stripping value of aggregate? You need to check the stripping value of aggregate before the construction of pavement.
The stripping value is the ratio of the uncovered area observed visually to the total area of aggregates in each test, expressed as percentage. The mean of three results is reported as stripping value of the tested aggregates and is expressed as the nearest whole number. CALCULATION Road aggregate stripping value = percent fines = W2/W1 x 100 ...
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causing stripping of coarse aggregate. It investigates the factors causing stripping of coarse aggregate including traffic and other environmental factors such as temperature, alternate wetting and drying and pH value of the water. The main objectives of the study are: 1)To evaluate the stripping of coarse aggregate obtained
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Oct 04, 2020 · The stripping value is the ratio of the uncovered area observed visually to the total area of aggregates in each test, expressed as percentage. The mean of three results is reported as stripping value of the tested aggregates and is expressed as
Oct 09, 2019 · The results of the stripping test given an indication regarding the susceptibility of aggregate to the action of water, or moisture. The more the stripping value, the poorer are the aggregate from point of view of adhesion. IRC has specified the maximum stripping value of 25 percent for aggregate to be used in bituminous road construction.
STRIPPING OF AGGREGATES IN BITUMINOUS CONSTRUCTION. Good adhesion between bitumen film and aggregate surface is necessary for a durable bituminous pavement. Disbonding of bitumen film from the surface of the aggregate in the presence of water is usually known as stripping. The open graded mixes such as Premix Carpet and Bituminous Macadam are ...
Apr 13, 2014 · This test gives the procedure for determination of the stripping value of aggregates by static immersion method, when bitumen and tar binders are used. Stripping-value-test-on-aggregates. Apparatus: The apparatus required for this experiment are: 1. Thermostatically controlled water bath. 2. Oven to heat aggregate. 3. Sieves of sizes 20 mm and ...
causing stripping of coarse aggregate. It investigates the factors causing stripping of coarse aggregate including traffic and other environmental factors such as temperature, alternate wetting and drying and pH value of the water. The main objectives of the study are: 1)To evaluate the stripping of coarse aggregate obtained
Jun 13, 2014 · A total of five different samples of each granitic rock aggregate were tested. The stripping values of the granitic rock aggregates obtained from these tests are given in Table 5. The results vary from 20 to 30 %; the CK and GB samples show higher stripping values than the other granitic rock aggregates.
Feb 02, 2019 · Aug 31,2021 - As per Indian Road Congress (IRC) the stripping value of aggregate should not exceed X% for the use in bituminous surface dressing, penetration macadam, bituminous macadam, and carpet construction when aggregate coated with bitumen is immersed in water bath at YoC for Z hours. The value of X, Y and Z will, respectively, bea)2, 25, and 48b)10, 30, and 24c)5, 30,
Stripping value of aggregate: IS : 6241-1971: Summary Aggregates influence, to a great extent, the load transfer capability of pavements. Hence it is essential that they should be thoroughly tested before using for construction. Not only that aggregates should be strong and durable, they should also possess proper shape and size to make the ...
Stripping value of aggregate should not exceed 5%. Specific gravity test on Aggregates Specific gravity of an aggregate is the ratio of its mass to that of an equal volume of distilled water at specific temperature. The specific gravity of aggregate is of two types. Bulk specific gravity, in which total volume of aggregates along with their ...
Feb 09, 2016 · Stripping (separation) of the binder film from the aggregate through the action of water may make an aggregate material unsuitable for asphalt concrete mixtures. Such material is referred to as hydrophilic (water loving). Many of these materials may be used with the addition of a heat stable additive that reduces the stripping action.
IS 6241: Method of Test for Determination of Stripping Value of Road Aggregates Item Preview remove-circle Share or Embed This Item. Share to Twitter. Share to Facebook. Share to Reddit. Share to Tumblr. Share to Pinterest. Share via email.
ii) Aggregate. Impact Value. or Abrasion Value iii)Grading of aggregate. iv)Combined flakiness and Elongation Indices. v)Stripping Value Lot size No. of container Up to 50 lots 3 51 to 150 5 151 to 500 7 501&above 10 One test per 200 cu.m. of aggregate. One tests per 100 cu.m of aggregate. One tests per 200 cu.m of aggregate .
Jul 01, 2019 · The apparatus of the aggregate impact value test consists of: A testing machine weighing 45 to 60 kg and having a metal base with a plane lower surface of not less than 30 cm in diameter. Level and plane concrete floor of minimum 45 cm thickness are used to support it. The base of the machine should also have provisions for fixing its base.
Stripping is the separation of the asphalt binder film from the aggregate surface due to the action of water. To evaluate the effect of asphalt film thickness on stripping resistance for loose and asphalt concrete mixtures, Texas boiling test and
Jun 06, 2016 · The aggregate stripping value was _____. CONCLUSION: IRC has recommended that stripping value of an aggregate should not be more than 25% for use in bituminous surface dressing, penetration macadam and carpet construction.
the asphalt-aggregate mixture and precoating the aggregate improved stripping resistance considerably. Stripping of asphalt films from aggregate surfaces occurs when there is a loss of adhesion between the aggregate surface and the asphalt cement. This is
Description. The loss of bond between aggregates and asphalt binder that typically begins at the bottom of the HMA layer and progresses upward. When stripping begins at the surface and progresses downward it is usually called raveling.. Although the displacement of asphalt on the aggregate particle surface by water (stripping) is a complex phenomena and is not yet fully understood, mineralogy ...
Aggregate Bitumen Stripping Value Test. The film-stripping test is used to measure the resistance of bituminous mixture to stripping of bitumen from the rock particles.
STRIPPING OF BITUMEN-AGGREGATE MIXTURES SCOPE This method is intended for determining the ability of cutback or emulsified asphalt to retain a film on aggregate in the presence of water. OUTLINE OF METHOD A selected and prepared aggregate is coated with a cutback or emulsified asphalt at a specified
Feb 09, 2016 · Stripping (separation) of the binder film from the aggregate through the action of water may make an aggregate material unsuitable for asphalt concrete mixtures. Such material is referred to as hydrophilic (water loving). Many of these materials may be used with the addition of a heat stable additive that reduces the stripping action.
Ten per cent fines value of aggregate - wet . November 2014 . Q205C . Wet/dry strength variation of aggregate . November 2014 . Q208A . Degradation factor of source rock ... November 2014 . Q212A . Bitumen stripping value - standard plate . November 2014 . Q212B . Binder stripping value - modified plate . November 2014 . Q212C . Binder ...
Sep 12, 2015 · Static immersion test is one specified by IRC and is quite simple. The principle of the test is by immersing aggregate fully coated with binder in water maintained at 40 0 C temperature for 24 hours. IRC has specified maximum stripping value of aggregates should not exceed 5%.
ii) Aggregate. Impact Value. or Abrasion Value iii)Grading of aggregate. iv)Combined flakiness and Elongation Indices. v)Stripping Value Lot size No. of container Up to 50 lots 3 51 to 150 5 151 to 500 7 501&above 10 One test per 200 cu.m. of aggregate. One tests per 100 cu.m of aggregate. One tests per 200 cu.m of aggregate .
ASTM D 2419: Sand Equivalent Value of Soils and Fine Aggregate; Background. Excessive dust or plastic fines (clay-like fine particles) in HMA aggregate can contribute to a lack of stability (rutting or shoving) or moisture damage and stripping. A simple test to determine whether or not a particular aggregate has enough dust or plastic fines to ...
Jan 25, 2021 · Aggregate Crushing Value (ACV) IS: 2386 2016 Method of Test for Aggregates for Concrete part IV Mechanical properties (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.
Jan 24, 2016 · Stripping value test implies the determination of binding strength of aggregate and bitumen. Standard guideline as specified by IS: 6241-1971 is followed here to complete the test [ 20 ]. 200 gm of clean oven-dried aggregates passing 20 mm sieve and retained on 12.5 mm sieve is heated up to 150°C and mixed with 5% bitumen by weight of ...
Aug 30, 2021 · The process of determining the particle size distribution of coarse aggregate is referred to as the grading of coarse aggregate. Sieve analysis is also commonly known as Grading. Read Also: Stripping value Test of Aggregate
Aug 08, 2016 · Stripping value reduces with the increase in the percentage of plastic coating. Stripping value is least when the percentage of plastic coating is 0.50 and 0.54%, respectively. It also satisfies the acceptable value (as per Table 6). Hence 0.54% plastic coated aggregate shows a better binding strength with bitumen even when it is subjected to ...