Bitumen content this test is done to determine the bitumen content as per astm 2172. In bitumina we know that the shipment of bitumen requires precise coordination and individual followup on a regular basis. Softening point of bitumen, test method isfahan bitumen. A dual safety thermostat prevents excessive temperatures. It is an empirical test which measures the consistency hardness of an asphalt at a specified test condition. The penetration of the asphalt is determined in accordance with tex502c, which conforms to astm d 5. Bitumen quality and manufacturing processespast and present. The most recognized standards for petroleum bitumen are published by. There is every need to perceive its qualities to have profitable usage of this material. Bitumen testing method asphalt road surface free 30day. Doing collection of test, for instance, softening point test, needle passageway test, and consistency test. 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. In this third revision grading of bitumen is changed from penetration grade to viscosity grade. Bitumen quality and manufacturing processespast and.
A steel blaque coated with 0,5 mm bitumen is slowly flexed and released tempeature of the plaque is reduced at 1c per minute until bitumen cracks 25. To determine the viscosity of bitumen by tar viscometer as per. Exp 12 softening point of bitumen civil engineers pk. Performance tests on bitumen and bituminous mixes vincenzo buccino pietro ferrari three levels of interpretation may be identified in this article. Basic tests such as penetration and softening point were developed to. In the standard test condition, a standard needle of a total load of 100 g is applied to the surface of an asphalt sample at a temperature of 25 oc for 5 seconds. Viscosity test for cutback bitumen the constructor. It composes 87% carbon, 11% hydrogen and 2% oxygen by weight. The bitumen is annealed at 120 c for 10 minutes before testing the sample is brought to the test temperature of 5. A number in parentheses indicates the year of last reapproval. 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. Bitumen content may usually be expeditiously and accurately determined by procedure no.
How to test water content of bitumen tesing of water content of bitumen 6070,4050 and bitumen 80100 it is desirable that the bitumen 4050, 6070 and bitumen 80100 contains minimum water content to prevent foaming of the bitumen 4050, 6070 and bitumen 80100 when it is heated above the boiling point of water. Civil engineering materials 5th edition, neil jackson and ravindrd k. Durability test method for bitumen nz transport agency. For this, a molten sample of bitumen in firstly poured into a standard mold, which is allowed to be cooled at room temperature. Various laboratory tests on bitumen is conducted to check quality and different properties of bitumen for pavement construction. Pdf viscosity as a possible supplement to the empirical tests of. About 50gm of the sample is weighed and heated to a temperature of 1630c for 5 hours in a specified oven designed for this test.
Standard test method for penetration of bituminous materials1 this standard is issued under the. Bitumen tests asphalt viscosity free 30day trial scribd. Viscosity of bitumen by vacuum capillary viscometer. Test that can be used to measrue bitumen behavior at low up to 30c tempeature determines temperature at which bitumen reaches a cirtical temprature and cracks. 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. When the bitumen 4050, 6070 and bitumen 80100 is heated it loses the volatility and gets hardened. Saybolt furol viscosity test is used to determine viscosity of liquid bitumens. These round robin tests act as a performance indicator and help to maintain a consistently high level of. A library of the relevant papers will be compiled in. Ductility test of bitumen 22 jan 2018 1 apr 2018 aim.
Penetration dmm 049 50 149 150 249 250500 maximum difference 2. 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. Test procedure for calculating viscosity from penetration txdot designation. Softening point is the temperature at which tar in soft loop and pass the ball through the hoop. Brass ring device filled with molten bitumen and bitumen wait until cool. Various lab tests on bitumen for pavement construction. A fundamental problem with the test method, however, is that the configuration of the test specimen holder. One set of standards, in the sans 3001as series, covers routine laboratory tests on asphalt mixtures. Penetration test is used to measure the consistency of bitumen, so that they can be classified into standard grades. Abstract bitumen is a vital material for road top improvement. The apparatus needed to determine bitumen content are i centrifuge extractor ii miscellaneous bowl, filter paper, balance and commercial benzene. Tar viscometer with 4mm and 10mm orifices the apparatus consists of main parts.
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. Standard test method for softening point of bitumen ringand. Analysis of available data for validation of bitumen tests tu delft. Greater value of penetration indicates softer consistency. New test standards for the bituminous product industry ready. All sgs testing laboratories participate in an international proficiency test scheme for bitumen. Bitumen is very important component of many construction sites like roads, highways. Bitumen performance tests april 2016 nz transport agency. Bitumen standards and grades a global bitumen company. 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. Determination of zero shear viscosity zsv at 40 c in duplicate according to. 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. To determine the ductility of distillation residue of cutback bitumen, blown type bitumen and other bituminous products as per is.
Tolerance between ia and acceptance tests are in table 4 016. To improve the quality of bitumen, bis revised is731992 specifications based on viscosity grade viscosity. In addition to 1 viscosity test, 2 softening point test, 3 penetration test, and 4 ductility test, you also may conduct following tests as well on bitumen. Pdf viscosity characteristics of modified bitumen researchgate. Standard test method for solubility of asphalt materials in. Penetration test is a commonly adopted test on bitumen to grade the material in terms of its hardness. What are the tests required for determining the strength of. Standard test method for ductility of bituminous materials. Storage of assessment criteria test results correctly recorded test results correctly analysed test results correctly reported test results correctly handled recommended books. Tests and frequency for ia for viscosity and sieve are shown in table 4015.
To determine the viscosity of bitumen by tar viscometer. Vg 10, vg 30, bitumen 6070, bitumen 80100, bitumen modified synonyms. Pdf the effect of commercial additive sasobit wax s on the viscosity characteristics of bitumen. Testing of drummed bitumen over time to asses batch lifetime. Application in engineering viscosity test and many other bitumen tests are done to ensure the quality of bitumen. Test for solubility of asphalt materials in trichloroethylene. Consisting of a stainless steel bath, stirrer, electric heater with digital thermoregulator and cooling coil. Used to determine the viscosity of cutback bitumen and road oil. Determination of the viscosity of bitumen or mortar measured by the. Pdf testing of bitumenaggregate affinity by various methods. Determining the penetration value of bitumen is widely needed in diverse construction sectors. Grading of bitumen helps to assess its suitability in different climatic conditions and types of construction. Standard test method for penetration of bituminous materials. 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.
Release the needle for five seconds and measure the distance penetrated. It measures the hardness or softness of bitumen by measuring the depth in tenths of a millimeter to which a standard loaded needle will penetrate vertically in 5 seconds. Place the charged viscometer vertically in the test bath with the help of a holder so that that the uppermost timing mark is at least 2 cm below the surface of the bath liquid pic3. How to test loss on heating of bitumen atdm co ltd. Exp 8 penetration test of bitumen civil engineers pk. There are several ways to determine the specific gravity of asphalt on all these methods, is archimedes law. Generally higher penetration bitumen is preferred for use in cold climate and smaller penetration bitumen is used in hot climate areas. Standard test method for softening point of bitumen ring. Penetration value of bitumen determination for road construction. First, asphalt test, ductility test on bitumen tester introduction asphalt ductility tester is commonly used petroleum testing equipment. In different regions and countries, different standards and grading systems are used for determining the quality of petroleum bituminous binders. Introduction used in pavements binding material used in wearing course primer patch works surface dressing etc.
Bitumen is a black or brown mixture of hydrocarbons obtained by partial distillation of crude petroleum. Test method to determine the softening point of bitumen based on astmd36. Its defined as fluid property of the material as resistance to flow aim. Bitumen testing method free download as powerpoint presentation. The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration. Bitumen viscosity grades test bis method specification vg10 vg20 vg30 vg40 absolute viscosity at 60c, poises 1206 part 2 min. The higher the viscosity of the bitumen more time will be required for a quantity to flow out. These round robin tests act as a performance indicator and help to maintain a consistently high level of quality and assurance from our labs. The material retained on the filter is then dried and weighed, and used to calculate the bitumen content as a percentage of the. The portion that is soluble in trichloroethylene represents the active cementing constituents. Definition softening point is the temperature at which the substance attains a particular degree of softening under specified conditions of test. Tests applied on bitumen procedure of tests on asphalt.
Note 2the precision statement for ductility, as presented in fig. The maximum difference between highest and lowest readings shall be. Performance of bitumen 70100 obtained from different. Standard test method for softening point of bitumen ring andball apparatus1 this standard is issued under the. Table 4015 test frequency aashto t 59, emulsified asphalts 2 test results per project. To determine the viscosity of bitumen using tar viscometer.
New standards recently published by the sabs will impact on the bituminous product industry. Anumber in parentheses indicates the year of last reapproval. The bitumen quality varies with the variation in crude oil source and refining process, which often cause. By definition, the specific gravity of bitumen, the tartoweight ratio of a certain volume of water volume at a given temperature. Astm d2042, astm d4, aashto t44 test set is used to determine the degree of solubility in trichloroethylene of asphalt materials having little or no mineral matter. Many tests are done to ensure the quality of bitumen. Lecture 5b grading of bituminous materials quality control. There are many tests which are conducted to check the quality of bitumen. Bitumina has an unparalleled capability in providing the most beneficial solutions for delivering bitumen to your doorstep. To perform penetration test on bitumen civil engineering.
Bis had standardised the equipment and test procedure. Contents introduction types properties tests on bitumen grading of bitumen 2. Table 4016 test tolerance aashto t 59, emulsified asphalts. Solubility of bituminous materials test set supports the following standards. Standard test method for penetration of bituminous materials1. Vg 10, vg 30, bitumen6070, bitumen80100, bitumenmodified synonyms. Modulus to the nearest mpa of the untreated 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. Bitumen quality aspects in view of huge expenditure involved in the construction of new roads and maintenance of the existing road network, the quality considerations of bitumen have become a subject ofinterese4.1101 970 465 605 1288 1204 402 575 544 84 72 1076 131 1166 94 1032 1296 1644 31 111 901 909 1434 54 163 195 12 667 1360 1162 28 1408 423 677 1528 649 229 217 1051 1014 1427 1326 1331 1118 606 485 596