There are many tests which are conducted to check the quality of bitumen. 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. Read a detailed procedure of bitumen penetration test with sample data. The ductility test astm d1 measures the distance a standard asphalt sample will stretch without breaking under a standard testing condition 5 cmmin at 25 c. Humboldt ductility machines determine ductility of formed asphaltcement or semisolid bitumen by measuring the distance of elongation before reaching the breaking point of a briquette sample, which is pulled apart at a specific speed and temperature. Various laboratory tests on bitumen is conducted to check quality and different properties of bitumen for pavement construction. Performance tests on bitumen and bituminous mixes vincenzo buccino pietro ferrari three levels of interpretation may be identified in this article. A study on the significance of the ductility test for bitumen. Circular holes are made at ends known as clips to grasp the stationary. Your browser does not currently recognize any of the video formats available.
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. Standard test method for ductility of bituminous materials. 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. 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. Syd4508c asphalt ductility tester ductility testing machine is suitable to determine the length of petroleum asphalt when it is dragged to broken at certain speed under stipulated condition and temperature. First, asphalt test, ductility test on bitumen tester introduction asphalt ductility tester is commonly used petroleum testing equipment. Clipping is a handy way to collect important slides you want to go back to later. The h1068x is a threespeed machine designed for standard and force ductility tests. Bitumen performance tests april 2016 nz transport agency.
The distance at which the bitumen thread of each specimen breaks is recorded in cm to report as ductility value. Research ductilometer for force ductility test on standard and modified bitumen ductimeter. The ductility test gives a measure of adhesive property of bitumen and its ability to stretch. Minimum values of ductility specified by isi for various grades are as follows. 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. Bitumen is a collection of frameworks to help build lightweight web applications in java and other jvm languages. In flexible pavement design, it is necessary that binder should form a thin ductile film around aggregates so that physical interlocking of the aggregates is improved binder material having insufficient ductility gets cracked when subjected to repeated traffic.
Many tests are done to ensure the quality of bitumen. This test method describes the procedure for determining the ductility of a bituminous material measured by the distance to which it will elongate before breaking when two ends of a briquet. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 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. For this purpose, polymermodified bitumen 255555 a and 104065 a from different manufacturers were analyzed using the softening point ring and ball, penetration, force ductility and elastic recovery tests. Two great companies with compelling stories, ipc global, a pioneer and global leader for 25 years in dynamic asphalt testing equipment and controls, a major player with 50 years experience in construction materials testing equipment have united to become the advanced pavements testing systems division of controls group. To perform ductility test on bitumen civil engineering. Nov 20, 2017 since roads involve vehicular traffic and heavy loads, they need to be built to last for a while. A briquette having a cross sectional area of 1 in 2 is placed in a tester at 77 f. A fundamental problem with the test method, however, is that the configuration of the test specimen holder. Syd4508d asphalt ductility tester ductility testing machine is suitable to determine the length of petroleum asphalt when it is dragged to broken at certain speed under stipulated condition and temperature. Rating is available when the video has been rented. Critical problems with using the asphalt ductility test as a. The force ductility test is a measure of the tensile properties of the polymer modified asphalt cement residue of a polymer modified emulsified asphalt.
The force ductility test is a measure of the tensile. Source of paving bitumen and penetration grade min ductility value cms assam petroleum a2z. Research ductilometer for force ductility test on standard and. At the temperatures normally encountered in natural deposits, bitumen will not flow. This test method describes the procedure for determining the ductility of a. This grade of bitumen is mainly used in the spraying and chip. Now customize the name of a clipboard to store your clips. When a lowtemperature ductility test is desired, the test should be run at a temperature of 39. This test is done to determine the ductility of distillation residue of cutback bitumen, blown type bitumen and other bituminous products as per is.
Astm d1 17 standard test method for ductility of asphalt. High performance ductilometer for force ductility test. Bitumen is a black or brown mixture of hydrocarbons obtained by partial distillation of crude petroleum. The average penetration value of 3 tests of a given bitumen sample is reported. Ductility test of bitumen 4050 60100 and 80100 ductility is the property of bitumen 4050 60100 and 80100 that permits it to undergo great deformation or elongation. Syd4508c asphalt ductility testerthe best lab furnace. If the road surface can stretch a little under heavy loads, it is bound to last for a while without repairs. The precision of tests on residues, such as those obtained by test methods d 1754 and d 2872. Eie instruments ductility testing machine astm d1 bis.
Ductility values ranges from 0 to over 150 depending on the type of bitumen. Procedure sample preparation the sample shall consist of the asphalt cement residue obtained from the distillation of a polymer modified emulsified asphalt. Ductility test is conducted to determine the amount bitumen will stretch at temperature below its softening point. Video downloader is a totally free online service which enables you to download videos from multiple sources which includes facebook, instagram, vimeo, dailymotion, break, lynda, netflix, hulu,soundcloud, liveinternet, etc. Apparatus required, theory, procedure, precautions, observations, reporting and recommended values of bitumen ductility is. Exp 8 penetration test of bitumen civil engineers pk.
Theory of ductility test on bitumen the ductility test gives a measure of adhesive property of bitumen and its ability to stretch. Determining the ductility of bitumen civil engineering. Ductility test of bitumen is one of the main testes that you need to do during road construction. 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. It is generally considered that an asphalt with a very low ductility will have. Effect of different polymermodified bitumen of the same sort. Ductility is defined as the distance in cm, to which a standard sample or briquette of the material will be elongated without breaking. Note 2the precision statement for ductility, as presented in fig. Standard ductilometer for ductility test ductimeter. Ductility test on bitumen measures the distance in centimeters to which it elongates before breaking. The maximum difference between highest and lowest readings shall be. 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.
The instrument is based on the prc standard gb t 4508 asphalt ductility test, peoples republic of industry standard jtg e202011 road asphalt and asphalt testing procedures in the t 06052011 asphalt. This freestanding document was recorded at magnet studios in coburg, and produced by the band with the help of alexander anglias the faculty, ill globo the phantom fifth member, and realised with the guidance of peter bramley. The following tests are usually conducted to evaluate different properties of bituminous materials. While the test is in operation, it is checked whether the sample is immersed in water at depth of at least 10 mm. Determining the ductility of bitumen linkedin slideshare. Standard ductilometer for ductility test ductimeter, bitumen. Geological survey as an extraheavy oil with an api gravity less than 10 and a viscosity greater than 10,000 centipoise. 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.
A study on the significance of the ductility test for bitumen article in journal of applied chemistry 512. It composes 87% carbon, 11% hydrogen and 2% oxygen by weight. Apr 07, 20 live bitumen extraction test for dense bituminous macadam pwd road construction civil engineering. 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. 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. Make at least three determinations at points on the surface of the sample not less than 10mm apart and not less than 10mm from the side of the dish. Penetration dmm 049 50 149 150 249 250500 maximum difference 2. Live bitumen extraction test for dense bituminous macadam pwd road construction civil engineering. Determine ductility of bitumen and its suitability for road construction. Release the needle for five seconds and measure the distance penetrated. Syd4508d asphalt ductility testerthe best lab furnace. Discipline reaction is the much anticipated debut lp from melbourne based postpunk industrial unit bitumen. Apparatus required, theory, procedure, precautions, observations, reporting and recommended values of bitumen ductility is discussed in this article. Tests applied on bitumen procedure of tests on asphalt.
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. We know that the ductility of a material is the ability of that material to undergo plastic deformation permanent deformation. Exp 11 ductility test on asphalt civil engineers pk. Isfahan bitumen production company ibpc is a dynamic and reputable company based in historic city of isfahan, iran. Bitumen is very important component of many construction sites like roads, highways. The ductility testing machine is used to determine the ductility of bituminous materials in a.
207 974 835 1237 1252 243 1366 1052 823 1472 825 504 1135 1103 693 149 213 1150 866 1012 831 511 1176 1354 104 622 585 71 1084 91 1306 504 191 1238 67 562 1121 499 225 761 1043 47 1423