Bitumen bound materials ductility test highway ii bitumen bound materials 23 discussion ductility of bitumen is affected by the pouring temperature, briquette size, placement of briquette, test temperature, rate of pulling ductility value ranges from 5100. Some minimum ductility is needed for flexural strength. Determining the ductility of bitumen civil engineering. The bitumen supplied by bitumina group is produced from vacuum residue short residue feedstock. Ductility values ranges from 0 to over 150 depending on the type of bitumen. Spot test set only for asphaltic products derived from petroleum not to be used for natural asphalts containing nonbituminous matter insoluble in xylene. Exp 8 penetration test of bitumen civil engineers pk.
Good afternoon, please save this to the sdms file for capital city plume. In the standard test for bitumen content astm d4, a small sample of about 2 g of the asphalt is dissolved in 100 ml of carbon disulfide and the solution is filtered through a filtering mat in a filtering crucible. The phase i study by the asphalt technologies, llc found promising results regarding the use of. Standard test method for softening point of bitumen ring. Consistency of a bituminous material expressed as the distance in tenths of a millimeter that a standard needle vertically penetrates a sample of the material under known conditions of loading, time, and temperature.
Bitumen test, ductility of bitumen ranges between, ductility test conclusion, ductility test of bitumen apparatus, ductility test of bitumen is code, ductility test of bitumen lab report pdf, ductility test of bitumen ppt, highway engineering, significance of ductility test of bitumen, we civil engineers post navigation. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. The ductility of a bituminous material is measured by the distance in cm to which it will elongate before breaking when a standard briquette specimen of the. Anumber in parentheses indicates the year of last reapproval. Ductility test is conducted to determine the amount bitumen will stretch at temperature below its softening point. Includes 250ml erlenmeyer flask, filter paper, 10ml pipette and. It is a kind of bitumen which is produced during the process of oxidation of vacuum bottom the bitumen production feedstock that derives from distillation tower residue in vacuum oil refineries at bitumen production units in a manner that its penetration point kind of test to indicate the hardness of bitumen becomes between 6070. Ductility test the ductility test astm dll3 measures the distance a standard asphalt sample will stretch without breaking under a standard testing condition 5 emmin at 25 c. It is pertinent to note that the harder the grade of bitumen, the. Ductility test on bitumen measures the distance in centimeters to which it elongates before breaking.
The ductility of a bituminous material is measured by the distance in cm to which it will elongate before breaking when a standard briquette specimen of the material is pulled apart at a specified speed and a specified temperature. Standard test method for ductility of bituminous materials1 this standard is issued under the. Isfahan bitumen production company ibpc is a dynamic and reputable company based in historic city of isfahan, iran. The new viscosity grading system conforms to is 732006 paving bitumenspecification third revision. Storage stability testing of asphalt binders containing recycled. Since roads involve vehicular traffic and heavy loads, they need to be built to last for a while. What are the tests required for determining the strength of pure bitumen.
The first, which is the most practical, consists in identifying the limits imposed on the requisites of certain tests, performed on bitumen and its mix, as a function of the minimum and maximum. Determine ductility of bitumen and its suitability for. To perform ductility test on bitumen civil engineering. A fundamental problem with the test method, however, is that the configuration of the test specimen holder. Introduction applications ductility machines are used to determine the ductility of formed asphaltcement or semisolid bitumen by measuring the distance of elongation before reaching the breaking point of a briquet sample, which is pulled apart at a speci. Ductility test of bitumen is one of the main testes that you need to do during road construction.
The solubility test is used to detect contamination in asphalt cement. It is generally considered that an asphalt with a very low ductility will have poor adhesive properties and thus poor performance in service. Standard test method for softening point of bitumen ringandball apparatus1 this standard is issued under the. Viscosity grade bitumen is categorized according to viscosity. The ductility test is measure of cohesiveness and elasticity of the bitumen. Unfortunately, trichloroethylene has been identified as a carcinogen and contributing to. Ductility is the property of bitumen 4050 60100 and 80100 that permits it to undergo great deformation or elongation.
D 186related theory ductility test on asphalt, ductility. The sample shall be representative, and if it contains more than 2 % of water it shall be dehydrated. Supplementary notes the appendices for this report are in a separate file, located on the mndot research services website. Is there any apparatus available in market that can find out bitumen content in asphaltic materials at site itself. Astm d4 862018 standard test method for bitumen content. If you need pointers images, to look for x1724208 windows 7 wallpapers is yet another powerful website that delivers large number of. Production of bitumen emulsion manufacturing plant, detailed project report, profile, business plan, industry trends, market. There are several ways to determine the specific gravity of asphalt on all these methods, is archimedes law.
Standard test method for penetration of bituminous materials1 this standard is issued under the. Standard test method for ductility of bituminous materials. To obtain the ductility value of bituminous sample. Pdf testing of bitumenaggregate affinity by various methods. Melt the bitumen to be tested to a temperature of 75 to c above its approximate softening point till it becomes fluid. Penetration of bituminous materials 5 results the results are very sensitive to test conditions and bitumen specimen preparation and the requirements of the appropriate standard must be rigidly adhered to. This test is done to determine the ductility of distillation residue of cutback bitumen, blown type bitumen and other bituminous products as per is. What are the tests required for determining the strength. We know that the ductility of a material is the ability of that material to undergo plastic deformation permanent deformation before the rupturing breaking of that material. Lecture 5b grading of bituminous materials quality control. Spot test of asphaltic materials set supports the following standards. A number in parentheses indicates the year of last reapproval. Laboratory assessment of highways asphalt bitumen in. Specifications for asphalt cements normally require a minimum solubility in trichloroethylene of99.
In viscosity grade viscosity test are conducted at 60 c and 5 c which represents the temperature of road surface during summer and. The temperaturevsstiffness relationship of bitumen is dependent on the source of crude oil and the method of refining. Industrial grade bitumen is also known as blown bitumen. Tests on bitumen to check quality and properties for pavement. Let the mold containing the material cool to room temperature for a period of from 30 to 40 minutes and then place it in the water bath maintained at the specified temperature of test for 30 minutes. Ductility of bitumen is its property to elongate under traffic load without getting cracked in road construction works.
Various lab tests on bitumen for pavement construction. Test submitted water samples according to the requirements of section 812 of the nddot standard specifications for road and bridge construction. Performance tests on bitumen and bituminous mixes vincenzo buccino pietro ferrari three levels of interpretation may be identified in this article. Tests applied on bitumen procedure of tests on asphalt. Asphalt mixtures, performance tests, cracking, fracture. Defintion the ductility of bituminous material is the distance in centimeters to which it will elongate before breaking when a briquette specimen of the materials is pulled at a specified speed and at specified temperature. Ductility is defined as the distance in cm, to which a standard sample or briquette of the material will be elongated without breaking. Bitumen performance tests april 2016 nz transport agency. The following tests are usually conducted to evaluate different properties of bituminous materials. Determining moisture content of bituminous mixtures. Materials testing laboratory samples of construction materials. Third, the asphalt test, ductility test on bitumen tester main technical parameters and indicators 1 power supply.
Penetration grade bitumens are specified by the penetration and softening point test. Apparatus required, theory, procedure, precautions, observations, reporting and recommended values of bitumen ductility is. Standard laboratory test forms have been produced for the tests detailed in this. This test method covers the determination of bitumen content in materials containing at least 25 % bitumen. To ensure the quality of bitumen several tests are performed which are as follows. Live bitumen extraction test for dense bituminous macadam pwd road construction civil engineering. The procedures for the determination of bitumen content in. By definition, the specific gravity of bitumen, the tartoweight ratio of a certain volume of water volume at a given temperature.
Bitumen testing method free download as powerpoint presentation. The penetration test can be used to designate grades of asphalt. The maximum difference between highest and lowest readings shall be. 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. To determine the ductility of distillation residue of cutback bitumen, blown type bitumen and other bituminous products as per is. Use this test method to determine the moisture content of any type of bituminous paving mixtures by direct measurement and to determine the moisture in. If the road surface can stretch a little under heavy loads, it is bound to last for a while without repairs. The only standardised method bs en 88 for measuring bitumen cohesive energy in relation to chip retention in chipseals is the vialit pendulum test used in the uk and europe. Exp 11 ductility test on asphalt civil engineers pk. Bitumen bitumen is a thermoplastic material and its stiffness is dependent on temperature. Apparatus required, theory, procedure, precautions, observations, reporting and recommended values of bitumen ductility is discussed in this article. This is obtained by blowing air into hot bitumen at high temperatures normally beyond 180 0c.
Specific gravity test for bitumen aim to determine the specific gravity of given bituminous material. Definition softening point is the temperature at which the substance attains a particular degree of softening under specified conditions of test. The bureau of indian standards bis introduced paving grade bitumen specifications is. Bitumen 3040 is used in specialized applications like airport runways and also in very heavy traffic volume roads in coastal cities in the country. The ductility of a bituminous material is defined as the distance in centimeters, to which it will elongate before breaking when two ends of a briquet specimen of the material, are pulled apart at a specified speed and a specified temperature. Penetration dmm 049 50 149 150 249 250500 maximum difference 2. The viscosity test measures the fluid property of bituminous. Standard test method for penetration of bituminous materials1. Asphalt ductility tester is commonly used petroleum testing equipment. Laboratory performance test for asphalt concrete mndot.
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