In this video,we will discuss how to determine the test as per is 1205. Aashto t 53 standard method of test for softening point. The following tests are usually conducted to evaluate different properties of bituminous materials. Your browser does not currently recognize any of the video formats available. Softening point of bitumen, test method isfahan bitumen.
After the softening point and penetration tests, the most common bitumen test is viscosity. Softening point of bitumen ringandball apparatus astm d36 the softening point is the temperature at which a material softens beyond. Definition softening point is the temperature at which the substance attains a particular degree of softening under specified conditions of test. Second, the asphalt softening point, softening point of bitumen main technical characteristics 1, the instrument for small desktop structure, microcomputer control, linear heating, automatic mixing, accurate and reliable measurement results, the test is completed automatically displays the test results. Softening point apparatus ring and ball apparatus latest price. Softening point denotes the temperature at which the bitumen soften. Ring and ball apparatus, steel balls brass rings ball guide support thermometer bath with stirrer scope softening point test of bitumen as per is. This is the reason why the softening point of bitumen is determined. Generally higher softening point indicates lower temperature susceptibility and is preferred in warm climates.
What is cen standards to assess the bitumen profile. Harder grade bitumen possesses higher softening point than softer grade bitumen. Sep 20, 2017 softening point test the softening point of bitumen is usually determined by ring and ball test. This test method covers the determination of the softening point of bitumen in the range from 30 to 157c 86 to 315f using the ringandball apparatus immersed in distilled water 30 to 80c, usp. Tests applied on bitumen procedure of tests on asphalt. In ring and ball test, the softening point is the temperature at which the bitumen just touches the bottom plate.
Softening point and penetration index of bitumen from parts. Aug 19, 20 the softening point is a test usually called the ringandball test to determine the temperatures at which an asphalt binder achieves a specified degree of viscosity. Standard test method for softening point of bitumen ringandball apparatus1 this standard is issued under the. Types of bitumen and their test methods ppt video online download. What is softening point archives civil engineering notes. Softening point test the softening point of bitumen is usually determined by ring and ball test. It is a semi solid hydrocarbon product produced by removing the lighter fractions such as liquid petroleum gas, petrol and diesel from heavy crude oil during the refining process. The softening point sp and penetration index pi of bitumen from parts of southwestern nigeria are important properties needed for better design and optimization of the upgrading process of nigerian bitumen.
Test method to determine the softening point of bitumen based on astmd36. Stretch property bitumen softening point of bitumen, test method test spots for bitumen oil refining what is crmb bitumen. Automatic softening point tester scavini petroleum testing. Softening point is the temperature at which tar in soft loop and pass the ball through the hoop. The apparatus is suitable also to test coating mixtures and other materials different from bitumen. A number in parentheses indicates the year of last reapproval. Mix easily and form strong bond with a wide variety of aggregates is safe to handle modified bitumen and bitumen emulsions should be a stable mixture in storage. This test consists of two brass ring and two steel ball, using which the. Exp 12 softening point of bitumen civil engineers pk. Ringball test for softening point of bitumen, asphalt and coal tar.
Softening point of bitumen ringandball apparatus astm d36 the softening point is the temperature at which a material softens beyond some arbitrary softness. The purpose behind performing the ring and ball test is to determine the temperature at which a given material will soften. Objective for determination of softening point of a given bitumen. There are a number of tests to assess the properties of bituminous materials. May 12, 20 objective for determination of softening point of a given bitumen. In recent years, the flash point test results have been related to the hardening potential of asphalt. Softening point test on bitumen softening point of bitumen indicates the point at which bitumen attains a particular degree of softening under specified conditions of the test. Solubility test set for bitumen and bituminous binders. Sep 04, 20 why we apply prime coat and tack coat in bituminous construction. A free powerpoint ppt presentation displayed as a flash slide show on id. What is the use of doing a bitumen softening point test. This study was carried out to design and fabricate a cost effective and efficient softening point tester to classify bitumen into grades.
Stir it thoroughly until it is homogeneous and free from air bubbles and water. This test measures the resistance of the bitumen to a rotating spindle at different temperatures. Nov 28, 2017 bitumen is a dark coloured solid or viscous material consisting of high molecular weight hydrocarbons derived from distillation of petroleum, has adhesive properties, and is soluble in carbon disulphide. Aug 04, 2019 softening point test of bitumen as per is. Standard test method for softening point of bitumen ringand. The result of storage stability test showed that the difference in softening point was in good accordance with astm standard limitation which means that ommt can improve the storage stability of pmb. Softening point article about softening point by the free. An asphalt with a high flash point is more likely to have a lower hardening potential in the field. Oct 09, 2018 ductility test on bitumen measures the distance in centimeters to which it elongates before breaking. This is important to know for predicting the behaviour of the bitumen, for storing and pumping the bitumen, and for the mixing and compaction of the asphalt. Pour the melt in to the container to a depth of at least 10mm in excess of the expected penetration. Apparatus required, theory, procedure, precautions, observations, reporting and recommended values of bitumen ductility is discussed in this article.
Syd2806f softening point tester hinoteklab instrument. As of now, we are able to fulfill orders but we will keep you posted as the situation evolves. Study on understanding functional characteristics of multi. Ring and ball apparatus is used to conduct this test. The ball and ring apparatus comprising of a steel ballstwo numbers each of 9. Bitumens are viscoelastic materials without sharply defined melting points. Softening point is indicative of the tendency of the material to flow at elevated temperature encountered in service. Why we apply prime coat and tack coat in bituminous construction. Softening point is that temperature at which the specimen under test becomes soft enough to allow a steel ball of specific dimensions to fall a. Standard test method for softening point of asphalt and pitch. The softening point is defined as the mean of the temperatures at which the bitumen disks soften and sag downwards a distance of 25 mm under the weight of a steel ball. Ring and ball test is used to determine the softening point of bitumen, asphalt and coal tar. This test is done to determine the softening point of asphaltic bitumen and fluxed native asphalt, road tar, coal tar pitch and blown type bitumen as per is.
Utd0412 hot plate with magnetic stirrer which works conforming to en and astm standards. Softening point is not a melting point, bituminous material do not melt but instead gradually change from semi solids to liquids on application to heating. Sep 25, 2018 the ring and ball method is widely used for determining the softening point of bituminous material. For a substance which does not have a definite melting point, the temperature at which viscous flow changes to plastic flow. I may put a few more films on field tests ajay duggal. A mass ring containing the test sample of bitumen was suspended in liquid like water or glycerin at a given temperature. Ductility test on bitumen measures the distance in centimeters to which it elongates before breaking. Aashto t 53 standard method of test for softening point of. A wide variety of softening point testing options are available to you, such as usage, power. Two grams of bitumen tested guarantee, does add ten milliliters suitable solvent to dissolve in the solvent of bitumen is repeated 8 cycles following after five seconds of the eighth pitch of all samples should be completely dissolved in a solvent otherwise we repeat the experiment in the first place. Hardness penetration withstand high temperatures softening point withstand repetitive loadingunloading ductility. Read a detailed procedure of bitumen penetration test with sample data.
The softening point of various bitumen grades used in paving jobs from 35 to 70 c 6 7. Various lab tests on bitumen for pavement construction. The principle behind this test is that softening point is the temperature at which the substance attains a particular degree of softening under specified condition of the test. Improving the efficiency of bitumen using additives add gold to improve the properties of bitumen what materials are used bitumen and polymer industry.
The instrument is designed and made as per gbt4507 standard test methods for softening point of petroleum asphalt of national standard of peoples republic of china, t0608 asphalt softening point test ringandball apparatus in the industrial standard of peoples republic of china jtg e202011 standard test methods for bitumen and bituminous mixtures for highway engineering. We are closely monitoring the changing situation with the covid19 virus outbreak. Ppt types of bitumen and their test methods powerpoint. Utb0231e and utb0231a assemblies are used for determining the softening point of bituminous materials by ring and ball method with utd1412 or utd1410y hot plate. Pcydl100 ring and ball softening point apparatus this tester can test the softening point of bitumen, tar, asphalt, and polymer resin. Determining softening point of bitumen civil engineering. Brass ring device filled with molten bitumen and bitumen wait until cool. Softening point apparatus is available from humboldt as part of a complete line of asphalt test equipment. Click here to visit our frequently asked questions about html5. Bitumen softening point test using ringball apparatus.
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