First of all test the sample if contain water in surface or have external water upon it, if so,remove that water by any regular method. Scribd is the worlds largest social reading and publishing site. Tex241f, superpave gyratory compacting of test specimens of. The bitumen felt sample shall be weighed nearest to 01 g and is folded and put in the. Combined, these documents provide both a framework for implementing the dcp for compaction acceptance and improvements in areas of the construction specification regarding lift thickness, moisture content during. Soften the material to a pouring consistency at a temperature not more than 60c for tars and 90c for bitumen above the approximate softening point and stir it thoroughly until it is homogeneous and is free from air bubbles and water. Bis had standardised the equipment and test procedure. Aashto uses a g sample which is soaked 15 to 19 hours. In this test, firstly heat the bitumen above its softening point and pour it into a container of depth attest 15mm. Various lab tests on bitumen for pavement construction. The test should be conducted at a specified temperature of 25 c. The penetrometer consists of a needle assembly with a total weight of 100g and a device for releasing and locking in any position. Troubleshoot viewing pdf files on the web adobe support.
Shahin 2011 clearly states that the new zealand vibrating hammer compaction test procedure has been proven to provide inconsistent results. Test procedure for determining draindown characteristics in bituminous materials txdot designation. Voor deze test hebt u een pdfbestand nodig dat op uw computer is. You can find more on calling methods of java classes from test scripts in.
Core drilling of hot mix asphalt hma for specimens of 4 or. Pdf effects of exposure time and temperature in aging test. The producer is required to keep the test results on file for a minimum period of three years. Design procedure for bituminous stabilized road surfaces for. To perform penetration test on bitumen civil engineering.
Asphalt mixture compaction and aggregate structure analysis. Congratulations, your computer is equipped with a pdf portable document format reader. If the file does not pass, continue to the next option. Test methods describes the development of test methods for the characterization of asphalt cement. Spst15 141101 specification for repeated load triaxial rlt testing pavement materials page 4 of 9 table 2 sample preparation for soakedundrained test sample preparation same as table 1 preparation for drydrained test with the following undertaken prior to testing in the soakedundrained rlt test. Sampling bituminous materials aashto t 40 summary of procedure containers pg binders, cutback asphalts, utility asphalts, and asphalt for coating corrugated metal pipe metal cans with airtight covers asphalt emulsions widemouth jars or bottles made of glass or plastic sample location. Effects of exposure time and temperature in aging test on asphalt binder properties article pdf available in international journal for computational civil and structural engineering 52. Problemen met het weergeven van pdfbestanden op het web. A grade of 4050 bitumen means the penetration value is in the range 40 to 50 at standard test conditions. Although significant differences have not yet been seen between the test sections all the sections are in good condition after six years of traffic, the observed improvements for the modified binders are expected to be confirmed by a longer followup of the test road. Procedure for bitumen penetration test i preparation of test specimen. The differen t options of sample preparation of sa mples of aggregate with bitumen. Minnesota department of transportation asphalt release agent. By this test we can determine the hardness or softness value of bitumen.
D36d36m test method for softening point of bitumen ringandball apparatus d244 test methods and practices for emulsified asphalts. As part of a research project, the static method was further developed including some procedures already used in the other methods of the standard 7. It is an empirical test which measures the consistency hardness of an asphalt at a specified test condition. This method has four cold solvent extraction procedures. D3666 specification for minimum requirements for agencies testing and inspecting road and paving materials. Select the files that you want to apply the make accessible action to. Test, sensory, and captcha usecases are addressed via the. The bitumen is softened to a pouring consistency, stirred thoroughly and poured into containers at a depth at least 15 mm in excess of the expected penetration. Anumber in parentheses indicates the year of last reapproval. The test is accurate and its procedure is automatic. In addition to full check, acrobat provides other methods to check pdf accessibility.
Place the rings, previously heated to a temperature approximately to that of. Bis had standardized the equipment and test procedure. Tex241f, superpave gyratory compacting of test specimens of bituminous mixtures section 2 apparatus texas department of transportation 4 txdot 112005 the platen side of each mold bottom must be flat and parallel to its face. Evaluation of test sections with polymer modified bitumens. Only use pdf for documents that users are likely to print. Stir it thoroughly until it is homogeneous and free from air bubbles and water. Procedure heat the material to a temperature between 75 to 100 0c above its softening point. Figure 3 general representation of binder bond strength test apparatus. Astm file is an optitex 3d suite astm grading file. The sample preparation is also accurate and quick and the test is conducted in high precision temperature control. Standard test method for penetration of bituminous materials. Superpave test methods for asphalt procedure for dsr.
Standard test method for softening point of bitumen ringand. Minnesota department of transportation asphalt release agent qualification procedure 03142012 a. Standard test method for penetration of bituminous materials1. Sleep en drop je pdf of meerdere bestanden naar het bovenstaande vak. This procedure applies only to windows vista users with internet. All ram and base plate faces the sides presented to the specimen must be ground. It may be noted that penetration value is largely influenced by any inaccuracy with regards to size of the needle, weight placed on the needle and the test temperature. Core drilling of hot mix asphalt hma for specimens of 4 or 6 diameter. The producer is required to designate the testing procedures to be used for control of the aggregates, rap, and mixture. Determining asphalt content of bituminous mixtures by extraction. The same procedure can be used for files on the desktop. When to use which userexperience research methods empathy. Standard test method for penetration of bituminous materials1 this standard is issued under the.
Submit ara per ntpep instructions directly to ntpep. 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. Testing is required to be completed within two working days of the time the sample was taken. Procedure for solubility test on bitumen 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. Pdf samenvoegen gratis pdfbestanden combineren online.
Select your pdf file and start editing by following these steps. Pdf testing of bitumenaggregate affinity by various methods. Alternative methods of flexible base compaction acceptance. The f4 piston depicted in the figure has a diameter of 73. Penetration value of bitumen determination for road construction. General standard test procedure for determination of loss of. The variations may be caused by operator error, natural properties, hammer energy, water content, mould size. Mndot uses the aashto ntpep asphalt release agent ara testing program for consideration for placement on the approved products list. The form itself can be used as an exam tool, which can include openended or. Relationship between elastic recovery and linear amplitude. Follow these steps to use adobe acrobat to create accessible pdfs, check the.
Table 40 shows the test method and frequency for aggregate produced. Other devices meeting the requirements of this procedure can be used. Methods of compaction of basecourse aggregate for repeated. The menu item below create pdf from file shows the current saving option. Rules of procedure cb scheme of the iecee for mutual recognition of test. After installation is complete, restart your computer and test the pdf again. The marshall method of mix design is empirical, with criteria based on the correlation of laboratory and field results 6,7. Avoid pdf for onscreen reading nielsen norman group. Nddot uses an 1100 g sample which is soaked for 171 hours. Adobe voert momenteel tests uit voor twee verschillende, vereenvoudigde ervaringen. Tests applied on bitumen procedure of tests on asphalt. Procedure soften the material to a pouring consistency at a temperature not more than 60 0c for tars and pitches and not more than 90 0c for bitumen above the approximate respective softening points.
This checklist summarises the recommended structure and contents of documents based on the template. Forcing users to browse pdf files makes usability approximately 300% worse compared to html pages. Determining draindown characteristics in bituminous materials. These test methods may be used in specifications and for developing correlations between physical and chemical properties. Specimens are prepared in sample containers exactly as specified astm d597 and placed in a water bath at the prescribed temperature of test for 1.
Abrasion test is carried out to test the hardness property of aggregates and to decide whether they are suitable for different pavement construction works. Shahin 2011 foundup to 20% variation in vibratory compaction maximum dry densities mdds. E1 specification for astm liquidinglass thermometers. The aashto standard test procedure uses a 500 ml pycnometer flask while the nddot modification uses a ml pycnometer and a glass cover plate. The optitex 3d suite is a collection of applications that can create photorealistic 3d garments, fit them on a customizable avatar, and even animate them for presentations. Stir until it is completely fluid and free from air bubbles and water, and filter if necessary, through is sieve 30. Design procedure for bituminous stabilized road surfaces for low volume roads. Exp 8 penetration test of bitumen civil engineers pk. Test method calculation of robustness of geotextile material rc 381.
Linear amplitude sweep test is a new test for characterizing the fatigue performance of binders. This test method describes a procedure for determining the density of asphalt mixtures by means of a nuclear gauge using the backscatter method in accordance with aashto t 35515. Viscosity test flash and fire point test float test water content test loss on heating test penetration test. 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. The test procedure used to measure the dsr values of the original bitumen and the pav and rtfot test aged bitumens is presented. 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. Suggestions for future work include a continuation of the evaluation of the methods within the cen european evaluation group. Scope this test method defines the calculation of the robustness of a sample of geotextile material, using mean values determined from other tests. Penetration of bituminous materials 4 procedure the penetration apparatus figure 2 is specified in many standards throughout the world but has always the same basic requirements as astm d5. Determining asphalt binder bond strength by means of the.
Read a detailed procedure of bitumen penetration test with sample data. But a first trial series on swiss aggregates showed some major problems and the limits of the original procedure of part b. Then cool it to room temperature for 90 minutes and then placed it in water bath for 90 minutes. Deze procedure geldt alleen voor gebruikers van windows vista met internet.968 434 5 1396 800 296 70 1413 560 764 302 682 106 359 1378 1209 1219 459 640 1072 1220 1219 864 1496 327 985 519 399 1346 844 105 324 976 1166 567 1141 1163 1277 150 522 231 1218 818