After stirring the fluid, pour it in the mould assembly and place it on a brass plate. Ringball test for softening point of bitumen, asphalt and. Determine ductility of bitumen and its suitability for. Standard test method for ductility of bituminous materials. Determining penetration of bitumen civil engineering. Transportation engineering lab manual free download as word doc. 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.
Astm dd17 standard test method for ductility of bituminous materials. Since roads involve vehicular traffic and heavy loads, they need to be built to last for a while. The trainer must ensure that the learning activities for the trainee include the following. To determine the ductility of distillation residue of cutback bitumen, blown type bitumen and other bituminous products as per is. Flash and fire point test is conducted on bitumen to know the safe mixing and application temperature values of particular bitumen grade. This manual has the current versions of our laboratory test procedures. Various lab test on bitumen posted in material testing.
It is generally considered that an asphalt with a very low ductility will have poor adhesive properties and thus poor performance in service. 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. The ductility of a bituminous material is measured by the distance in cm to which it will elongate before breaking when a standard briquette. Scribd adalah situs bacaan dan penerbitan sosial terbesar di dunia. Dimension of the briquette thus formed is exactly 1 cm square. Ductility test ductility is the property of bitumen that permits it to undergo great. Tests on bitumen there are a number of tests to assess the properties of bituminous materials. Bruce marshall, a former bituminous engineer with the mississippi state highway department, formulated the concepts of the marshall method of designing paving mixtures. Ductility test is conducted to determine the amount bitumen will stretch at temperature below its softening point. 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. Exp 11 ductility test on asphalt civil engineers pk. The softening point of bitumen or tar is the temperature at which the substance attains particular degree of softening. A deutsch englisch abakussule abacus column abndern alter abnderung alteration abnderung remediation abandonklausel abandonment clause abtzen cauterise abbau take down abbau dismantling abbau disassembly abbau degradation i.
Method of test for the determination of the composition of design surface course rolled. Chapter 11 marshall method of asphaltconcrete mix design. Determining the ductility of bitumen civil engineering. Melt the bitumen to be tested to a temperature of 75 to c above its. A fundamental problem with the test method, however, is that the configuration of the test specimen holder. A number in parentheses indicates the year of last reapproval. Melt the bituminous test material completely at a temperature of 75c to 100 c above the approximate softening point until it becomes thoroughly fluid. Melt the bitumen to be tested to a temperature of 75 to c above its approximate softening point till it becomes fluid. Ductility tester is used to conduct ductility tests of bituminous materials measure the elongation of a binder specimen before failure.
Tests applied on bitumen procedure of tests on asphalt. So, they can catch the fire easily and will cause flash at one point and if it is further prone. Bitumen performance tests april 2016 nz transport agency. Exp 8 penetration test of bitumen civil engineers pk. Critical problems with using the asphalt ductility test as. Many of the mechanical properties of wood tabulated in this chapter were derived from extensive sampling and analysis. Flash and fire point test on bitumen the constructor. Objective i to compute the ductility of a specific specimen of bitumen ii to assess the suitability of bitumen for its application in road construction. At least three determinations shall be made for each test. The ends of a molded specimen are pulled apart in a liquidfilled trough at specified speed and temperature. Assemble the mould on a brass plate and coated on all the sides with a mixture glycerin and dextrin of equal parts to avoid sticking of the material. Properties of bitumen free download as powerpoint presentation. Now customize the name of a clipboard to store your clips. The asphalt ductility test, as currently carried out in accordance to the astm d17 specification 1, is a measure of the ultimate elongation of an asphalt binder sample at a constant rate and.
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. Read a detailed procedure of bitumen penetration test with sample data. The bureau of indian standards bis introduced paving grade bitumen specifications is. D36d36m test method for softening point of bitumen ringandball apparatus d71 test method for relative density of solid pitch and asphalt displacement method d92 test method for flash and fire points by cleveland open cup tester. Ductility values ranges from 0 to over 150 depending on the type of bitumen. Aggregate impact value this test is done to determine the aggregate impact value of coarse aggregates as per is. Softening point of bitumen, test method isfahan bitumen. Asphalt ductility tester is commonly used petroleum testing equipment. The bitumen sample is melted to a temperature of 75 to 100 c above the approximate softening point until its fluid. Ductility is defined as the distance in cm, to which a standard sample or briquette of the material will be elongated without breaking. Scribd is the worlds largest social reading and publishing site. Test method to determine the softening point of bitumen based on astmd36.
This test is done to determine the ductility of distillation residue of cutback bitumen, blown type bitumen and other bituminous products as per is. The mix is composed usually of aggregate and asphalt cements. Briquette mould, length 75mm, distance between clips 30mm, width at mouth of clips 20mm, cross section at minimum width 10mm x 10mm, ductility machine with water bath and a pulling device at a precaliberated rate, a putty knife, thermometer. Clipping is a handy way to collect important slides you want to go back to later. Ring and ball test is used to determine the softening point of bitumen, asphalt and coal tar. Brass ring device filled with molten bitumen and bitumen wait until cool. However, if a test was identical to an aashto, ast, or mftp procedure it was not m duplicated in this manual. Softening point is the temperature at which tar in soft loop and pass the ball through the hoop. Astm d4280 02 standard specification for extended life type.
Ductility of bituminous materials asphalt road surface. Wood handbookchapter 4mechanical properties of wood. 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. Performance tests on bitumen and bituminous mixes vincenzo buccino pietro ferrari three levels of interpretation may be identified in this article.
At higher temperatures bituminous materials leave out volatiles. Ductility of bitumen is its property to elongate under traffic load without getting cracked in road construction works. Some types of bituminous mixes are also used in base coarse. This edition completely replacesy 201the 9 labofebruarratory manual of test procedures.
Download citation a study on the significance of the ductility test for bitumen an analysis of the primary factors governing the ductility of bitumens, as determined by the wellknown test, is. Procedure for the ductility test of bitumen the bituminous material tested is completely melted by heating it to a temperature of 75 to 100 degree celcius above the approximate softening point until it becomes thoroughly fluid. The semiautomatic ductility testing apparatus from koehler instruments has been designed to adhere to the astm d1 test method plus all related methods, but also offers a range of. If the road surface can stretch a little under heavy loads, it is bound to last for a while without repairs. This is obtained by blowing air into hot bitumen at high temperatures normally beyond 180 0c. Bitumen bitumen is a thermoplastic material and its stiffness is dependent on temperature. Clear wood specimens are usually considered homogeneous in wood mechanics. Transportation engineering lab manual asphalt wear. Bitumen penetration grade 6070 bitumen penetration grade 6070 is a standard penetration grade bitumen usually used as a paving grade bitumen suitable for road construction and for the production of asphalt pavements with superior properties. In other cases the flash point serves as a dependable diagnostic tool or confirming test when a suspect condition has already been. 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. This test is done to determine the penetration of bitumen as per is. Ductility test on bitumen measures the distance in centimeters to which it elongates before breaking. D 186related theory ductility test on asphalt, ductility.
To determine the suitability of bitumen for its use in road construction. Ductility testing equipment keyword found websites listing. Name of testing 1 standard penetration test safe bearing capacity 2 dynamic cone penetration test 3 plate load test safe bearing capacity. Seminar presentation on bitumen asphalt ductility scribd. Standard test method for softening point of bitumen ringandball apparatus1 this standard is issued under the. Ductility test report report the average of three normal. For this purpose, polymermodified bitumen 255555 a and 104065 a from different manufacturers were analyzed using the softening point ring and ball, penetration, forceductility and elastic recovery tests. To measure the ductility of a given bitumen sample. These test pieces did have anatomical characteristics such as growth rings that occurred in consistent patterns within each piece. Ductility test of bitumen is one of the main testes that you need to do during road construction.
In many applications of used oil analysis the flash point test remains the method of choice in detecting certain contaminants and nonconforming lubricant conditions. Testing of asphalt presentation asphalt distillation scribd. Ductility test of asphalt free download as powerpoint presentation. Standard test method for ductility of bituminous materials1 this standard is issued under the. Observation sheet grade of bitumen pouring temperature, c test temperature, c periods of cooling, minutes, a in air b in water bath before trimming c in water bath after trimming test property briquette number mean value i ii iii 1. Apparatus required, theory, procedure, precautions, observations, reporting and recommended values of bitumen ductility is. The ductility test is performed for determining the ductility of bituminous materials by measuring the elongation before breaking when two ends of briquette specimens are pulled apart at a specified speed and temperature. Objective to become familiar with the term viscosity, its influence and effects, its techniques and application in the field of engineering especially for design of the road pavements. Let the mold containing the material cool to room temperature place the brass plate and mold, with briquet specimen, in water bath and keep at the specified temperature for a period of from 85 to 95 minutes attach the. Penetration or ductility cant in any case replace each other. Army crops of engineers, through extensive research and correlation studies, improved and added certain features to marshall s test procedure, and ultimately developed mix design criteria. Third, the asphalt test, ductility test on bitumen tester main technical parameters and indicators 1 power supply. Ductility is the property of bitumen 4050 60100 and 80100 that permits it to undergo great deformation or elongation.
D5d5m test method for penetration of bituminous materials. The effects of bitumen source, polymer content, bitumenpolymer com patibility and ageing on the rheological viscoelastic properties of the pmbs have been determined using conventional rheological binder tests as well as dynamic oscillatory mechanical analysis with the data being presented in the form of temperature and frequency. Industrial grade bitumen is also known as blown bitumen. 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 12 softening point of bitumen civil engineers pk. This test consists of two brass ring and two steel ball, using which the softening point of various bituminous materials are determined.
The distance, at which the bitumen thread of each specimen breaks, is recorded in cm to report as ductility value. The ductility is expressed as the distance in centimeters to which standard briquette of bitumen may be stretched before the thread breaks. Bitumen 3040 is used in specialized applications like airport runways and also in very heavy traffic volume roads in coastal cities in the country. Standard test method for softening point of bitumen ring. A study on the significance of the ductility test for bitumen. Circular holes are made at ends known as clips to grasp the stationary. 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. Effect of different polymermodified bitumen of the same. This test method describes the procedure for determining the ductility of a bituminous material measured by the. To perform ductility test on bitumen civil engineering. Lecture 5b grading of bituminous materials quality control.
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. Bitumen grade pen 65 or 90 vg302010 bitumen selection depends on temperature traffic. Name of the test 1 acidity test, alkalinity 2 total hardness test 3 ph test i water ii soil 4 conductivity test i water ii soil 5 turbidity test s. If the bitumen is not ductile enough it may crack under heavy loads. 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. The principle is that the penetration of a bituminous material is the distance in tenths of a mm, that a standard needle would penetrate vertically, into a sample of the material under standard conditions of temperature, load and time. Let the mold containing the material cool to room temperature place the brass plate and mold, with briquet specimen, in water bath and keep at the specified temperature for a period of from 85 to 95 minutes attach the rings at each.
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