Aashto t 28314 technical standards edocuments online. Binder testing pg grading with different dosages mscr test las linear amplitude sweep test 8. Evaluation of aashto t 324 hamburgwheel tracking test. Aashto description this method covers preparation of specimens and the measurement of the change of diametral tensile strength resulting from the effects of water saturation and accelerated water conditioning, with a freezethaw cycle, of compacted asphalt mixtures. T 324 hamburg wheeltrack testing of compacted hot mix asphalt hma. Evaluate liquid antistripping additives which are added to the asphalt cement, or 3. It will be necessary to interpolate between the values shown in that table. Rediset lq dosage by the weight of pg 6422 asphalt binder. Aashto t 283 is a test method that can be used to determine if the materials may be subject to stripping and also to measure the effectiveness of additives.
Miscellaneous equipment as required by the appropriate specifications. The test procedures are applicable to quality control, quality assurance, and acceptance testing required by construction contracts. Combining warm mix asphalt technologies with mixtures. The manual can be used in its entirety, as a desk reference, or. The method describes the testing of submerged, compacted hma in a reciprocating rollingwheel device. Aashto t 11 standard method of test for materials finer than 75. Determine the air void content of the specimens in accordance with t 269. Our website provide pdf immediately download,sometimes when you purchased. Pass a sampling device through the full stream of the material as it runs off the end of the conveyor belt. Sampling device designed for use at each particular plant. Vacuum was applied to conditioned specimens at 254 mm 10 in.
Click on the title and then look on the right side of the screen for a list of pdf files, each with a download button next to it. January 1, 2017 manual of test procedures for materials viii standard description page aashto t 9915. Aashto t 283 revised various illinois modified sections and added new illinois modified sections. In the current research, modified idot and aashto t283 conditioning methods were performed on a typical dense graded mixture that is used in the state of illinois. Investigation of aashto t 283 to predict the stripping. Marshall test apparatus meeting the requirements of aashto t 245 and gyratory compactor meeting aashto t 312.
Aashto t 28303 technical standards edocuments online. Status of aashto materials standards and test methods. Standard method of test for resistance of compacted asphalt mixtures to moistureinduced damage standard by american association of state and highway transportation officials, 2014. Aashto t31510 determining the rheological properties of. Drop t 180, moisturedensity relations of soils using a 4. Direct tension cyclic fatigue test, aashto tp 107 moisture susceptibility. Sodium sulfate soundness aashto t 104 15% max percent fractured faces one or more 100% min two or more 90% min. The sampling device may be manually, semiautomatic or automatically powered.
Although, the wma mixtures typically had lower tensile strength ratios tsr and stripping inflection points sip compared to corresponding hma mixtures, the results for the wma mixtures was. Three specimens are selected as a control and tested without moisture conditioning, and three more. Aashto t 283 e ratio surface energy stiffness ampt rutting hwtd flow number note. In determining the loss, wash the material retained on the 1. Calculate and report the composite percent loss to the nearest 0. Wsdot errata to fop for aashto t 310 inplace density and moisture content of soil and soilaggregate by nuclear methods shallow depth waqtc fop for aashto t 310 has been adopted by wsdot with the following changes.
Refine aashto t283 resistance of compacted bituminous mixture. The superpave system, the product of shrp, adopted the standard test method aashto t283 as the required test for determination of the risk of moisture damage. Trbs national cooperative highway research program nchrp research results digest 351. Conduct the draindown test at the jmf asphalt content plus 0. Report the percentage of loss by abrasion and impact to the nearest 0. Evaluate pulverized solids, such as hydrated lime, which are added to the mineral aggregate. This test procedure is similar to the lottman test procedure with some modification. A brief description of the factors evaluated follows.
The test is performed by compacting specimens to an air void level of six to eight percent. Aashto t283 e ratio surface energy stiffness ampt rutting hwtd flow number note. Number of test specimens must be4 to run 2 tests 4. Drop 153 aashto t 119m t 119 illinois modified 020114. Caltrans limited the risk to the contractor by specifying in section 39, asphalt concrete, of the standard specifications that no single test result may represent more than the smaller of 750 tons or one days production, whichever is less, except aashto t 283, standard method of test for resistance of compacted hotmix asphalt hma. Aashto t 283 14 2018 standard method of test for resistance of compacted asphalt mixtures to moistureinduced damage. The experimental grid of tests performed on samples from the various sites is shown in table 4. Cores can be tested the same day as obtained by this method. Aashto t 283 03 the index of retained strength must be greater than 80 percent as determined by aashto t 283 03 using a 4 inch nominal size mold. Download a pdf of precision statements for aashto standard methods of test t 148, t 265, t 267, and t 283 by the national academies of sciences, engineering, and medicine for free. Asphalt in florida instate outofstate asphalt contractors 44 2 asphalt plants 105 2 asphalt plants wwma 26 0.
Although, the wma mixtures typically had lower tensile strength ratios tsr and stripping inflection points sip compared to corresponding hma mixtures, the results for the wma mixtures was statistically similar to hma mixtures. Aashto t 324 modifiedis aashto t324 with the following parameters. The furnace shall be designed to permit the operator to change the ending mass loss percentage from 0. Illinois flexibility index test ifit, aashto tp 124 bottomup fatigue cracking. The ebook is optimized for ereader devices and apps, which means that it offers a much better digital reading experience than a pdf, including resizable text and. Aashto t 28307 2011 illinois modified 010115 resistance of compacted bituminous mixture to moisture induced damage 199. Test the draindown at the mixing temperature plus 27 f but do not exceed 350 f. Standard aashto t 283 the materials from all sites were tested with the standard procedure aashto t 283. Aashto description this method covers preparation of specimens and the measurement of the change of diametral tensile strength resulting from the effects of water saturation and accelerated water conditioning, with a freezethaw cycle, of compacted hma. Ts1c t 19m t 191 aashto standard method of test for bulk density unit weight and voids in aggregate aashto designation. Test methods to predict moisture sensitivity of hotmix. To obtain a sample using the aggregate streamflow, you will need the following. Hamburg wheeltrack test hwtt equipment requirements and improvements to aashto t 324 fhwa asphalt binder expert task group salt lake city, utah april 25 27, 2016 louay n. Resistance of compacted asphalt mixtures to moistureinduced damage aashto t 283 glossary tensile strength a measure of the force required to pull apart a.
Aashto t 28314 2018 standard method of test for resistance of compacted asphalt mixtures to moistureinduced damage. The style manual for aashto publications consists of project management information, aashto design preferences, style and editorial rules, and web and electronic publication guidelines. Wsdot errata to fop for aashto t 176 plastic fines in graded aggregates and soils by the use of the sand equivalent test waqtc fop for aashto t 176 has been adopted by wsdot with the following changes. Sampling of aggregates aashto t 2 aggregate streamflow before taking a sample, you must first assemble all the equipment you will need to obtain the sample. Determine and record the total mass of the sample container and test sample to the nearest 0.
Aashto t31510 determining the rheological properties of asfhalt binder using a dynamic shear rheometer dsr. Compact specimens for t283 testing using the superpave gyratory compactor. Aashto t 28307 2011 standard method of test for resistance of compacted asphalt mixtures to moistureinduced damage american association of state and highway transportation officials 2007 8 pages. Aashto t 104, table 1 is allowed for testing or calculations. Drop 153 aashto t 119mt 119 illinois modified 020114. This test method covers the determination of the california bearing ratio cbr of pavement subgrade, subbase, and basecourse materials from laboratory compacted specimens. A list of gilson products that meet aashto t 283 standard.
Manual of test procedures for materials january 1, 2017 manual of test procedures for materials viii standard description page aashto t 9915 illinois modified 010117 moisture density relations of soils using a 2. Predict the ability of an asphalt mix to withstand longterm stripping, 2. Summary of changes to aashto materials standards by edition edition part 1, specifications and practices part 2, tests standards included standards added standards removed standards included standards added standards removed 1931, 1st edition one volume m 1m 7 m 9m 27 m 29m 41 m 1m 7 m 9m 27 m 29m 41 m 8 and m 28 were never. These three methods are for use on specimens not having open or interconnecting voids andor absorbing more than 2. A pdf is a digital representation of the print book, so while it can be loaded into most ereader programs, it doesnt allow for resizable text or advanced, interactive functionality. Moisture induced damage in asphalt concrete pavements, better known as stripping, is one of the primary causes of distresses in the asphalt pavement layers. May 2, 2001 lab manual 1219 minnesota department of. Standard method of test for moisturedensity relations of soils using a 2. Aashto t 99 t 180 and in the calculations for the fop for aashto t 224, the material can be rejected over the appropriate sieve. Bending beam fatigue test, aashto t 321 topdown fatigue cracking. This procedure can be used for specimens that are not required to be saved and contain substantial amounts of moisture. This procedure covers the sampling of bituminous paving mixtures from hma plants, haul units, and roadways in accordance with aashto t 16803. Precision statements for aashto standard methods of test t.
For both method a and method b, the furnace chamber dimensions shall be adequate to accommodate a 3500 g sample. Specimens shall be conditioned by freezing and thawing. Did not allow any field mixed material to be used for testing. There, you will see an item titled standard specifications for transportation materials and methods of sampling and testing and aashto provisional standards. Absorption aashto t 85 2% max coarse and fine durability index aashto t 210 40 min fine aggregate 100 % crushed sodium sulfate soundness aashto t 104 15% max liquid limit aashto t 89 25% max total aggregate gradation 19. Introduction the hamburg wheeltrack device hwtd test has been standardized in the aashto designation.
Rediset lq modified warmmix asphalt exhibits superior conditioned indirect tensile strength, and an improved tensile strength ratio compared with traditional hotmix asphalt. Tensile strength ratio, aashto t 283 many highway agencies and contractors recognize the benefits of bmd and are working toward implementation. Refine aashto t283 resistance of compacted bituminous mixture to moisture induced damage for superpave. The minimum width of individual chutes shall be approximately two times larger than largest particles in sample. This test method covers the determination of bulk density unit weight of aggregate in a. Technical standards edocuments online cheapest pdf files downloads. Lottman test aashto t 283 ok 98 dry tensile strength psi ok 102 fine aggregate angularity ok 45. Aashto t 248 apparatus sample splitter, open or closed type, with an even number of equal width chutes, but not less than eight. T 88, particle size analysis of soils t 89, determining the liquid limit of soils t 90, determining the plastic limit and plasticity index of soils t 99, moisturedensity relations of soils using a 2. Aashto t 32419 describes a procedure for testing the rutting and moisturesusceptibility of hot mix asphalt hma pavement samples in the hamburg wheeltracking device. Aashto t 269 standard method of test for percent air voids in compacted dense and open asphalt mixtures aashto t 283 standard method of test for resistance of compacted hot mix asphalt hma mixtures to moistureinduced damage aashto t 304 standard method of test for uncompacted void content of fine aggregate. Wsdot errata to aashto t 324 hamburg wheeltrack testing of compacted hot mix asphalt hma aashto t 324 has been adopted by wsdot with the following changes. Moisture damage evaluation of asphalt mixtures using aashto t283 and dct fracture test conference paper pdf available january 2006 with 3,695 reads how we measure reads.
An asphalt ignition oven is not required for a level 3 laboratory. However, different highway agencies have their own modified test procedures according to their local requirements. Loose mix is conditioned for 4 hours at 145o c instead of 16 hours at 60o c. Hamburg wheeltrack test hwtt equipment requirements and. The moisture sensitivities of 21 densegraded asphalt pavements were predicted in 1987 using american society for testing and materials astm test method d 4867, effect of moisture on asphalt concrete paving mixtures. When the index of retained strength is less than 80 the amount of antistrip may have to be adjusted. Precision estimates of aashto t 304, aashto t 96, and aashto. Aashto t 283 moisture susceptibility shortterm pavement performance was good. A pdf is a digital representation of the print book, so while it can be loaded into most ereader programs, it doesn t allow for resizable text or advanced, interactive functionality. Tensile strength ratio tsr worksheet aashto t 283 michigan department of transportation 1937 0104 michigan department of transportation 1937 0104 michigan department of transportation 1937 0704. Aashto t 180 revised various illinois modified sections and added new illinois modified sections. Aashto t 209 theoretical maximum specific gravity and density of bituminous paving mixtures aashto t 269 percent air voids in compacted dense and open bituminous paving mixtures aashto t 283 resistance of compacted bituminous mixture to moisture induced damage aashto t 308 determining the asphalt binder content of hot mix. Method c rapid test for method a or b see methods a or b. Aashto t 283 moisture susceptibility shortterm pavement performance was good adopted as standard specification january 2010 contractors option.
If there was a retest report the better of the two results. Tensile strength ratio tsr worksheet aashto t283 michigan department of transportation 1937 0104 michigan department of transportation 1937 0104 michigan department of transportation 1937 0704. Status of aashto materials standards and test methodsaugust 2017 this document shows all materials specifications, practices, and test methods that have been published as part of the aashto standard specifications for transportation materials and methods of sampling and testing from its first publication in 1931 through the most recent edition. Precision statements for aashto standard methods of test t 148, t 265, t 267, and t 283 summarizes the findings of four interlaboratory studies conducted in 2009 and 2010 to develop precision statements for the aashto standard methods of measuring length of drilled concrete cores, laboratory. The tsr value shall be determined in accordance with aashto t 283, including a freezethaw cy cle, 4 inch specimens compacted with marshall hammer or 3.
334 467 275 768 1500 1022 664 710 591 1608 1635 1438 1535 332 252 1149 697 1163 77 607 648 1399 103 1173 429 1543 584 1344 1337 845 615 204 1471 1031