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/CropBox [0 0 612 792] /MediaBox [0 0 612 792] /Rotate 0 ultrasonic test were studied. The Wisconsin Department of Transportation (WisDOT) has been using the Tensile Strength Ratio (TSR) test (ASTM D-4867) to predict the potential susceptibility of asphalt mixture to moisture damage and other associated pavement deterioration. /Count 10 the resilient modulus of asphalt mixtures decreases as the ratio increases [26]. << /Kids [17 0 R 18 0 R 19 0 R 20 0 R 21 0 R 22 0 R] >> Asphalt Institute 2.3 . /Rotate 0 /CropBox [0 0 612 792] In this investigation RAP to new aggregate ratio has been adopted as 10:90, 20:80, 30:70and 40:60.Various laboratory tests such as Marshall mix design, static indirect tensile test, repeated load indirect tensile fatigue tests were carried out on RAP mix and the results were found. /Pages 3 0 R The tensile and shear forces between the asphalt mastic and aggregate were obtained by the tensile test and shear bond test, which provided the basis for the calibration of normal and tangential bonding strength in the parallel bonding model. /MediaBox [0 0 612 792] /Parent 8 0 R What is needed to determine the tensile strength ratio (TSR) of specimens when using the indirect tensile test (IDT) as determined by AASHTO T 283 ... (as calculated by ASTM C293) relate to the compressive strength (as determined by ASTM C39)? Key,"Vnrds 18. /PXCViewerInfo (PDF-XChange Viewer;2.5.195.0;Apr 12 2011;18:54:40;D:20120331171457-07'00') /Contents 166 0 R /Resources 123 0 R /Contents 160 0 R The optimum control of actual mixing temperature can be realized by adjusting the temperatures of the in-material components to meet the requirements of the optimum temperature range, which is determined by the viscosity–temperature curve. /CropBox [0 0 612 792] /Resources 157 0 R Express the numerical index or resistance of the asphalt mixture to the detrimental effect of water as the ratio of the original strength that is retained after the warm water conditioning. Kallas (5) conducted repeated load dynamic tests to inves-Asphalt Concrete ... paction according to ASTM D3496. Tensile Strength Ratio (1), min% at mix design â¥ 80 Fines/Effective Asphalt â¤ 1.2 Draindown - based on a 1 hour reading at the anticipated production temperature < 0.3 % Stabilizer by weight of total mix, % 0.2 â 0.4 VCA Ratio VCAMIX> /MediaBox [0 0 612 792] /Type /Page jbenson Illustrates tensile strength ratio (TSR) the result for (Mix A, Mix B). Contact Us. /CropBox [0 0 612 792] /Rotate 0 /Private << /Resources 183 0 R endobj LABORATORY TESTING Asphalt Asphalt mix design services available include the full range of sampling, specimen fabrication, testing, and report submittals required under most Owner-Agencies mix design acceptance procedures. The indirect tensile strength test is conducted on the dry and conditioned specimens according to ASTM D 6931 (5). Table 2. /Type /Page /Contents 162 0 R Strength of Hot Mix Asphalt (HMA) Using the Indirect Tensile Test Device AASHTO Designation: T 322-07 (2011) 1. Extrude the specimens from the molds after compaction. 5.4. << endobj /Type /Page then decline but still above the standard limit of 80%. 59 0 obj /MediaBox [0 0 612 792] /MediaBox [0 0 612 792] Found inside – Page 7-6This property is determined using ASTM D4318 “Standard Test Method for Liquid ... The tensile strength ratio (TSR) reported is the ratio of the indirect ... /Type /Page /CropBox [0 0 612 792] To incorporate RAP in asphalt mix design, it is vital to know the impact on properties of asphalt mixture. The Poisson’s ratio for normal concrete in Indian conditions may be taken as 0.15. than the o.mw reported in ASTM D 4867. Possible reasons might have been the use of softer asphalt binder in mixtures with higher RAP and the observed decrease in both Pbe and G*/sin with increased RAP amounts. Indirect Tensile Strength Test. << /Contents 132 0 R >> Smoothness was tested with a 12 foot straightedge in longitudinal and transverse directions, and was accepted if 85% of the area had less than 3/8” of deviation. /MediaBox [0 0 612 792] The experiments indicated that mixture's, This research include studying the effect of moisture on virgin and recycled asphalt mixtures, the best gradation and design asphalt content was selected according to superpave method. /Contents 106 0 R endobj >> (Tensile Strength Ratio) DOTD TR 322 Bulk Specific Gravity and Absorption AASHTO T 84, T 85 Coarse Aggregate Angularity, % Crushed (Double Faced) DOTD TR 306 Fine Aggregate Angularity DOTD TR 121 Flat and Elongated Particles ASTM D 4791 Sand Equivalent DOTD TR 120 Mixture Conditioning (Aging) of HMA Mixtures AASHTO R 30 In other words, high tensile strength alone does not The unit meets test method requirements for strain measurement developed under the U.S. Federal Highways SHRP program. << /CropBox [0 0 612 792] ��_�OG�_˪aWQ;OQ��e)�̮��UJ��S�ާ��M��ܧ�TVc�l��z��qc��n��!� /Resources 155 0 R Survey: Tests were performed to check elevation, smoothness, grade, and thickness. Test results proved that the addition of wire wool increased the tensile strength of the asphalt concrete mixes. A dense aggregate gradation was used with a maximum size of 12.5 mm (1/2 in.) /Type /Pages /Type /Page /Rotate 0 endobj /Type /Page /Rotate 0 b. Mullen Burst Strength (ASTM-D3786) 225 psi min. The highest tensile strength ratios were_ obtained with hydrated lime or fly ash. ASTM D4867, Section 5-APPARATUS with the following modifications ... E. Tensile Strength Ratio, expressed as a percentage /Resources 151 0 R s��Ft��UeuV7��)��(GWf8v��gw��HXhx��9IYiy��*:JZjz�� ? << /MediaBox [0 0 612 792] /Rotate 0 8 0 obj The stiffness of the binder is increasing with increasing RAP binder. the best gradation and optimum asphalt content was Selected according to Superpave method. endobj Indirect tensile strength for ratio for Mix, of RAP and then downward but the optimum value For Mix B, Fig.7. >> /MediaBox [0 0 612 792] /MediaBox [0 0 612 792] Sieve Analysis: Tests yet to be performed. /Contents 128 0 R Found insideStructural Behavior of Asphalt Pavements provides engineers and researchers with a detailed guide to the structural behavioral dynamics of asphalt pavement including: pavement temperature distribution, mechanistic response of pavement ... << /CropBox [0 0 612 792] /Rotate 0 The physical properties of Portland cement are presented, The reclaimed asphalt pavement materials (RAP) was brought from stoke of Reclaimed Asphalt for Mayoralty of, Baghdad-project office at Altalbia-region, design asphalt binder content to verify that they meet Iraq specifications’ (R9) for base course and FHWA. Ceramic-Coated Granules: Provide protection to the underlying bitumen and membrane, and … /Parent 8 0 R for moisture damage of all asphalt mixtures be quantified using the tensile strength ratio as specified by ASTM D4867. /Rotate 0 for TSR value compared with the original mix. then decline but still above the standard limit of 80%. << 4 0 obj Resilient Modulus/ Unconfined Compressive Strength (Quick Shear): Tests were performed at one location per test item. /Length 36 Mechanical properties included stiffness modulus, toughness, moisture sensitivity, resistance to rutting and fatigue resistance. << Asphalt cement shall be Performance Graded Asphalt Cement meeting the requirements of ... Tensile Strength Ratio (TSR) value of 70 min. 5.4. << High Temperature IDT: Tests yet to be performed. Increases Tensile Strength Ratio. Tensile Strength Ratio (TSR): ASTM D4867; Disk-Shaped Compact Tension Geometry (DCT) Fracture Energy: ASTM D7313; Asphalt Pavement Analyzer (APA): AASHTO T 340; Flexural Beam Fatigue: ASTM D7460; Heavy Weight Deflectometer (HWD): ASTM D4694 >> << /Parent 8 0 R << << << 21 0 obj 29 0 obj 1/4 hard), the properties vary slightly with the grade. 79 0 obj 57 0 obj << 1.2. This standard provides procedures for determining the tensile creep compliance at different loading times, tensile strength, and Poissonâs ratio of hot mix asphalt (HMA) using indirect loading techniques. >> /Parent 9 0 R 3 Indirect tensile strength for unconditioned sam, Indirect Tensile Strength Test for Conditioned Samples, Fig.4. /Rotate 0 /Rotate 0 The adhesiveness between aggregate and asphalt binder is believed to affect the life cycle of asphalt pavements, mainly in the presence of water. Lab Air Voids: Tests were conducted on 4 specimens made in the lab with material taken before placement. Thermal conductivity of some selected gases, insulation products, aluminum, asphalt, brass, copper, steel and other common materials 55 0 obj /MediaBox [0 0 612 792] ��q� ¤��W��%O�6��Y�Ҙ�G?� ��F�[\܀j�r�u��a5� �� :؏�׫y�Z�[+�O�E� [��S��PHz��B��/,d��6��r�tԁ��a5��z��r��_�C� [�q��E� 24 0 obj 46 0 obj /MediaBox [0 0 612 792] Superpave Gyratory Compactor (SGC) used to compact mixture with 100-mm diameter. /Type /Page /ColorSpace /DeviceRGB We propose wide range of concrete testing equipment to satisfy all the ASTM, AASHTO and SNI standards. /Parent 7 0 R preparation mixes to compared with virgin mixture. 43 0 obj 17 0 obj No in-house material acceptance or characterization testing was performed on the P-159MR Geogrid. Table 4. THE DETERMINATION OF INDIRECT TENSILE STRENGTH OF EXPANDED ASPHALT MIXES 1. >> >> /Rotate 0 >> 5.3.3. Found inside – Page 45-21Proper amount of mineral filler added to an asphalt mixture could improve the ... The tensile strength ratio, which is calculated by dividing the average ... /Count 62 /CreationDate (D:20050913192821Z) CONTROLS is the world's leading manufacturer of construction materials testing equipment. /Parent 6 0 R /Type /Page /Kids [69 0 R 70 0 R 71 0 R 72 0 R 73 0 R] known because this knowledge allows Mohr-Coulomb type failure envelopes to be constructed which â¦ Technical Report Documentation Page . Some planned tests have not yet been conducted on some materials. << /Contents 100 0 R Cohesion and Adhesion damage in asphalt mixtures using MIST . >> /Type /Page endobj << /Parent 15 0 R Flexural Strength: Tests were performed on specimens at 7 days and 28 days after placement. >> /Resources 167 0 R /Rotate 0 >> /ExportCrispy true Asphalt Coated, Fiber Glass Reinforcement Mat: Low moisture, excellent dimensional stability and resistance to rot make it an ideal replacement for organic cap sheets. /Type /Page /Contents 194 0 R Found inside – Page 11viscometer (ASTM D4402-06), the binder's density (ASTM D70-09) and the storage ... The main result obtained in this test, Tensile Strength Ratio or TSR, ... /MediaBox [0 0 612 792] Shows the compared between Mix A and Mix B. T, 20% RAP slightly same that in Mix B and closely va, Fig.5. Elevation acceptance was ±¼” from grade. << Four different percentages (7, 13, 19 and 25) of RAP were used for preparation mixes to compare with virgin mixture. SCOPE 1.1. /Type /Page >> The optimum value of Indirect tensile strength, The optimum value of Indirect tensile strength ratio for RAP heating with 14. lt Pavement” Transportation Research Record: Journal of the Transportation Research Board, No. /Type /Page /Resources 115 0 R endobj /Type /Page /Parent 9 0 R The optimum value for Mix A is (40%) of RAP and then downward but the optimum value For Mix B is (20%) of RAP. /Contents 122 0 R � �{��a��ʸ�� _��M� /PieceInfo << ... test was used to evaluate the cracking properties of the asphalt mixtures and the tensile strength ratio (TSR) was calculated to determine the degree of asphalt mixturesâ resistance to moisture damage. /CropBox [0 0 612 792] /Rotate 0 The tests were conducted in a controlled strain mode of 50 Î¼m/m ratio. For any particular temper (strength, e.g. Asphalt Rubber â Asphalt Concrete Friction Courses (ARâACFC) 5. endobj >> Std =average tensile strength of the dry subset, kPa. Appropriate rounding should be made to comply with Section 4 of ASTM Ee 380. >> Commentary, NCHRP Report 673. /MediaBox [0 0 612 792] /Producer (Acrobat Distiller 5.0 $Windows$) ), the resulting indirect tensile strength does not always equate to positive field results. Test asphaltic mix for resistance to stripping by water according to ASTM D-1664. << /CropBox [0 0 612 792] 23 0 obj Found inside – Page 643These properties can be used by an agency to confirm which stabilizing ... indirect tensile strength (AASHTO T 283, Section 11), and expansion ratio and ... Sieve Analysis for RAP after Extraction With gauge lengths of 1 and 2 inches (25 and 50 mm) and measuring ranges of 0.050 and 0.100 inches (1.2 and 2.5 mm), the Model 3442RA1 was designed for applications where tensile or compressive strength tests on small rock, concrete and … 6. shows the tensile strength ratio (TSR) for the both mixes A and B compared with the original mix. The compressive load ... Tensile strength ratio (TSR) is a measure of Design Mixture Properties at 4.42% Binder Content, t = specimen height immediately before tensile test, mm (in). /Parent 14 0 R /Contents 192 0 R 36 0 obj /Type /Page Top. /CropBox [0 0 612 792] Drop heights of 6”, 12”, 18”, and 24” were used at each location. Therefore, to evaluate the moisture damage resistance of asphalt mixes, it is recommended to check both TSR and wet IDT strength simultaneously. LWD: Tests for modulus were performed at transverse offsets of -25 ft., -15 ft., and -5 ft. at stations 1+90, 2+05, and 2+20 after 7 days and 28 days of curing. This manual is the combination of three separate Hot Mix Asphalt (HMA) manuals used in the design, production, and testing of HMA for the Michigan Department of Transportation (MDOT) projects and a Laboratory and Technician Qualification program. /Kids [74 0 R 75 0 R 76 0 R 77 0 R 78 0 R] /Contents 108 0 R /MediaBox [0 0 612 792] /Count 10 /Count 5 The effect of RAP on FN was unexpected, because it showed the rutting resistance to decrease with increased RAP. Four different percentages (20,30,40 and 50) of RAP used for preparation mixes to compared with virgin mixture. Those HMA properties that can influence low temperature cracking are largely tested for in Superpave asphalt binder physical tests. Superpave Gyratory compactor (SGC) is used to compact mixtures with (100, and 150) mm in diameter of asphaltic specimens, the volumetric properties and mix design for binder layer are determined according to, This paper is studying the effect of two different heating temperature of RAP on performance of water sensitivity tests, the Indirect Tensile Strength Ratio (TSR). The present laboratory investigation carried out on Bituminous Concrete (BC) mixes prepared with 10 %, 20 %, 30 % and 40 % RAP material obtained by scarifying existing distressed asphalt pavement, Surface new aggregate and bitumen such as VG-30 without using any rejuvenator. About ATR 67 0 obj /Resources 91 0 R << << 1 Laboratory Investigation of Indirect Tensile Strength Using Roofing Polyester Waste Fibers in Hot Mix Asphalt Kalia Anurag 1, Feipeng Xiao 2*, and Serji N. Amirkhanian 3 1Former Research Assistant, Department of Civil Engineering, Clemson University, Clemson, South Carolina, USA 2* Research Associate, 2002 Hugo Drive, Asphalt Rubber Technology Service, Clemson University, /Contents 140 0 R >> /Resources 203 0 R International Journal of Research in Engineering and Technology. /Type /Page mixture could be evaluated by comparing the tensile strength of asphalt mixtures in wet and dry conditions [17]. /Resources 107 0 R Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content, NCHRP Report 752, Final Report. is required. >> >> D 3515-96 (D-5). ��_K%bu�w�'1��;"�Sw��Z4��Z��׵Gܣ�Bh7�_� ��כ�nWS��_�� I�o�� §?�ˆ)�� 2I*��K�v �ʧ�`o�`[{��y�� 9�� 퇭��ܮ�� _��'�)��z�(h�[�,t��GLru��(��+�`��B��D�5� ��-��e%��`$ /Resources 169 0 R /CropBox [0 0 612 792] Found inside – Page 298... C348 Flexural strength Tensile strength Mortar ASTM C496 Tensile strength ... Maximum w/c ratio = 0.60 Stability Marshall stability Asphalt ASTM D6927 ... /MediaBox [0 0 612 792] /Rotate 0 Drive Cylinder: Tests for dry density and moisture content were conducted at the same locations as CBR tests. Penetration, viscosity and PG grading blending charts were developed based on the corresponding test data. 1.1. 74 0 obj << endobj << 37 0 obj << /Type /Page Test item LFS-4N does not include P-209MR, and thus tests were not done for the negative transverse offsets of stations 1+90, 2+05, and 2+20. 12 0 obj The impact of bitumen and aggregate combination on resilient modulus using four bitumen grades and four aggregate types were explored [27]. /Contents 94 0 R /Rotate 0 358.14 High Impact Mesh, 15 oz., high tensile strength glass fiber mesh. No longer referenced in the current specifications) Paul Lukkarila (916) 227-7253 /Contents 200 0 R The design shall meet the tensile strength ratio requirementof WSDOTT 718. endobj (Revised March 2003) v . /XObject << Flexural tensile strength in four-point bending tests When a load is applied over an asphalt coating layer, it generates a stress that is initially homogenously distributed [24]. /Resources 129 0 R endobj This can be obtained by using as little as one half pound of Pavegrip per ton of asphalt mix. Byrne also provided some cost data on wood block pavements in London. /Resources 135 0 R /Parent 12 0 R Mat Density: Tests were performed on 1 core taken from each test item at a random location not in the wander pattern, with identical location across lifts. Solar-powered Lights at General Aviation Airports, Airport Marking - Paint & Bead Durability Study, Runway Friction Surveys During Winter Operations, Automated FOD Detection System Evaluation, National Airport Pavement & Materials Research Center, Pavement Materials Laboratory Capabilities, CC2 Test Items (Main Experiment) Database, Airport Pavement Working Group Meeting 2013, Airport Pavement Working Group Meeting 2012, Airport Pavement Working Group Meeting 2011, Airport Pavement Working Group Meeting 2009, Airport Pavement Working Group Meeting 2008, Airport Pavement Working Group Meeting 2007, Airport Technology Transfer Conference 2014, Airport Technology Transfer Conference 2010, Airport Technology Transfer Conference 2007, Airport Technology Transfer Conference 2004, Airport Technology Transfer Conference 2002, California Bearing Ratio (CBR): ASTM D4429, Vane Shear: ASTM D2573 with in-house procedure, Light Weight Deflectometer (LWD): ASTM E2583, Dynamic Cone Penetrometer (DCP): ASTM D6951, Oversized Aggregates Correction: ASTM D4718, California Bearing Ratio (CBR) (Lab): ASTM D1883, Unconfined Compressive Strength (Quick Shear): AASHTO T 307, ASTM 2166, Portable Seismic Properties Analyzer (PSPA/ D-PSPA): in-house procedure, Free-Free Resonant Frequency (Column): ASTM C215, Dynamic Modulus, Flow Number: AASHTO T 342, AASHTO TP 79, High Temperature Indirect Tensile Strength (IDT): ASTM D6931, Disk-Shaped Compact Tension Geometry (DCT) Fracture Energy: ASTM D7313, Asphalt Pavement Analyzer (APA): AASHTO T 340, Heavy Weight Deflectometer (HWD): ASTM D4694. Nuclear Gauge: Tests for dry density and moisture content were conducted on top of the final lift at 2 random test locations per test item. /Parent 14 0 R Grade acceptance was ±¼” from plan grade using a 5 foot by 5 foot grid. /Rotate 0 << >> /Parent 11 0 R /CropBox [0 0 612 792] Report No. Grab Tensile Strength (ASTM-D4632) 120 lbs minimum b. Mullen Burst Strength (ASTM-D3786) 225 psi minimum ... asphalt binder from the aggregate and achieve a required tensile strength ratio (TSR) of at least 80% on the asphalt mix. 4.1.1 Asphalt Cement: The asphalt cement used in this study is taken from Al-Daurah refinery. /CropBox [0 0 612 792] /Contents 118 0 R /MediaBox [0 0 612 792] The instrument adopts distillation and cooling methods to determine wax content of sample. << stream endobj /Contents 130 0 R /Count 5 /Type /Page >> This paper is studying the effect of two different heating temperature of RAP on performance of water sensitivity tests, the Indirect Tensile Strength Ratio (TSR). /Resources 95 0 R Indirect tensile strength for conditioned samples Tensile Strength ratio Fig. /EmbedFonts false Usual dosage is 0.5 to 1.0% of the weight of the asphalt in the mix. Drop heights of 6”, 12”, 18”, and 24” were used at each location. >> hot mix asphalt (HMA) material results in a reusable mixture of aggregate and asphalt binder known as Reclaimed Asphalt Pavement (RAP). Volume 51, Issue 3, Pages 511-710 (2007). /Type /Page 26, 2012,655, 04.03 Road and Paving Materials, Vehicle-Pave. Fatigue behavior was also very much for all mixes, especially w, with dynamic modulus values increasing with. /Contents 170 0 R >> /MediaBox [0 0 612 792] /Resources 161 0 R Acrobat Distiller 5.0 (Windows) Capabilities in product development include dense-graded hot and warm mix asphalt mixtures, stone mastic asphalt products, open-graded Stripping, or loss of adhesion, leads to premature pavement failures. Acceptance testing checks that the material meets FAA requirements set during design, while characterization testing provides additional information about the material’s properties. areas. No in-house material acceptance or characterization testing was performed on the P-154MR Separation Fabric. �_��/�ݟˤ�¦��s�B��~B�}�D ��W%>B��Ht��jܟ�S� -�_� ��~WSO��'�$\}38��k� >> /MediaBox [0 0 612 792] GeoGauge: Tests for modulus were performed at transverse offsets of ±25 ft., ±15 ft., and ±5 ft. at stations 1+30, 1+45, 1+60, 1+90, 2+05, 2+20, 2+50, 2+65, and 2+80. Tensile strength ratio can be used to measure moisture sensitivity of asphalt mixtures. Found inside – Page 153Field Tensile Strength Ratio tests shall be conducted on all mixtures which contain antistripping additive according to ASTM Test Method No. D 4867. /Rotate 0 DuPont™ Roof Protector™ is ideal for steep slope roofing … /Rotate 0 Elevation acceptance was ±¼” from grade. /Author (jbenson) /Contents 88 0 R /CropBox [0 0 612 792] << endobj These locations are the centers of the transition sections. We propose wide range of concrete testing equipment to satisfy all the ASTM, AASHTO and SNI standards. /SaveTransparency false D-PSPA: Tests for seismic modulus were performed at transverse offsets of ±25 ft., ±15 ft., and ±5 ft. at stations 0+10, 0+25, 0+40, 0+70, 0+85, 1+00, 1+30, 1+45, 1+60, 1+90, 2+05, 2+20, 2+50, 2+65, and 2+80. Feature: 1. >> Modified Proctor: Testing was performed on 1 sample taken during material conditioning before construction. 47 0 obj endobj /Type /Page /Type /Page endobj /ImageResources 81 0 R /MediaBox [0 0 612 792] The 42 0 obj The current thesis presents the findings of a study conducted on asphalt mixes to evaluate their moisture-induced damage potential through testing of the plant produced asphalt mixes in South Dakota using local aggregates and commonly used asphalt binders. 1 sample was taken from each concrete delivery truck. << Construction Manual M41-01 ... 3.9 Dust/Asphalt Ratio (P. 200/P be) â By mass, ratio between percent passing the No. >> 2012-03-31T17:14:57-07:00 >> /LastModified (D:20050913152801-06'00') 41 0 obj /CompositeImage 80 0 R Two types of polymers (plastomer (functionalized polyethylene (PE)) and elastomer (styrene-butadiene-styrene (SBS))) were used for shifting up /Type /Page Flexural Beam Fatigue: Tests yet to be performed. Grade acceptance was ±½” from plan grade using a 5 foot by 5 foot grid. /Kids [23 0 R 24 0 R 25 0 R 26 0 R 27 0 R] 63 0 obj /Height 792 >> Specific Gravity Min. /Parent 10 0 R Asphalt (HMA) mixtures. << /CropBox [0 0 612 792] /Parent 6 0 R Appropriate rounding should be made to comply with Section 4 of ASTM E380. Fig. /Resources 201 0 R Their volumetric and mechanical characteristics were evaluated for several binder contents to define a job mix formula for real scale testing. The indirect tensile strength test is conducted on the dry and conditioned specimens according to ASTM D 6931 (5). However, TSR alone was found to be insufficient when evaluating moisture resistance. /Type /Page ndirect tensile strength for unconditioned for Mix A, Mix B Fig.3.Shows the compared between Mix A and Mix B. /CropBox [0 0 612 792] /Parent 9 0 R Survey: Tests were performed to check elevation and smoothness. It is the best asphalt wax content analysis instrument in the petrochemical industry, building construction industry, highway construction industry, and other industries. /Resources 145 0 R >> ... ASTM. ��?�R�� m�6k_��)�O�� 9�?퇭�z9\S��!� ��, Microsoft Word - Fastener Material Revision_7.doc. (2004) Annual Book of ASTM Standards, Volume /MediaBox [0 0 612 792] endobj /Kids [48 0 R 49 0 R 50 0 R 51 0 R 52 0 R 53 0 R] Sieve Analysis: Tests were conducted after compaction on 2 random locations along the centerline of the Fatigue Model and Base Course Thickness, CTPB, and Overload test areas. /CropBox [0 0 612 792] /MediaBox [0 0 612 792] /Rotate 0 (Approximate dilution ratio of MEL-ROL LM to water is between 4:1 and 5:1.) 28 0 obj >> In addition, the HMA mixtures with RAP replacement increased in 50% the indirect tensile strength (ITS) as compared to that of the HMA mixtures fabricated with virgin materials. /StandardImageFileData 82 0 R ... Use neat asphalt binder modified with an elastomeric polymer to produce ... separation of the asphalt binder from the aggregate and achieve a required tensile strength ratio (TSR) of at least 80% on the asphalt mix. Sieve Analysis: Tests were conducted after compaction on 2 random locations along the centerline of the Geosynthetics, CTPB, and Overload test areas. /CropBox [0 0 612 792] endobj Two types of asphalt grade were used (40-50) and (60-70), The test results indicated that addition RAP to mixes shows significant increase on resistance of moisture damage (TSR) and modulus of elasticity(E*). Drop heights of 6”, 12”, 18”, and 24” were used at each tested location. << /Rotate 0 5.4 Specific Gravity Testing (ASTM D-792) Specific gravity is the ratio of the weight of a given volume of material at 73°F (23°C) to that of an equal volume of water at the same temperature. endobj 45 0 obj /MediaBox [0 0 612 792] The formulas for estimating the tensile strength and Poissonâs ratio from this test were developed by Hondros (7). For more information on the acceptance and characterization testing for each material click on the links in the table below. The residual binders obtained from two RAP sources using solvent extraction and abson recovery methods were blended with a virgin binder in different proportions. /Resources 171 0 R /Parent 11 0 R >> /Contents 188 0 R << /Resources 193 0 R /Parent 3 0 R /MediaBox [0 0 612 792] /Parent 3 0 R Easy mounting with built-in breakaway feature should specimen fracture. << Found insideBecause the asphalt - aggregate adhesion properties of mixtures are very ... On the basis of this study , an interim limiting tensile strength ratio of 75 ... << << The load frequency was 40 cycles/min with 124 ms rise-time. The following materials were used in CC9’s construction: Most materials were tested for acceptance and characterization in-house at the NAPTF. �� JFIF H H �� Adobe d@ �� d �� M�� The impact of bitumen and aggregate combination on resilient modulus using four bitumen grades and four aggregate types were explored [27]. /CropBox [0 0 612 792] 15 0 obj >> endobj 5. Tests such as AASHTO T-283, ASTM D-4867 or the Hamburg Wheel Test all show significant improvement when using Pavegrip in the mix design. >> stream >> 71 0 obj Below are the acceptance and characterization tests performed on each material during the construction of CC9. /Parent 14 0 R Tensile strength of asphalt concrete is a function of the amount of asphalt binder in the mix, mixture stiffness, absorption capacity of the aggregates used, ... the Tensile Strength Ratio (TSR) values only may be misleading in many cases. 9 0 obj /CropBox [0 0 612 792] If present in the test item, modulus data represents P-403MR as well as P-401MR. GeoGauge: Tests for modulus were performed at transverse offsets of ±25 ft., ±15 ft., and ±5 ft. at stations 0+10, 0+25, 0+40, 0+70, 0+85, 1+00, 1+30, 1+45, 1+60, 1+90, 2+05, 2+20, 2+50, 2+65, and 2+80, with the exceptions of stations included on test item LFS-4N. /Parent 9 0 R Past research has concluded that the use of this procedure is uneconomical due to the variability of the test results and â¦ ASTM - American Society of Testing and Materials ... ITS - Indirect Tensile Strength kN - Kilonewton LCR - Layer Coefficient Ratio ... (foundation) strength (California Bearing Ratio) and (ii) traffic, in terms of number of commercial vehicles (having a laden weight of 3 … The 3 tests were averaged for acceptance. Shrp program estimated as the ratio of extreme low to extreme high ) s construction: most were! And mechanical characteristics were evaluated at 25 °C using a 5 foot by 5 foot grid reduce the of! Ratio from this test were developed by Hondros ( 7 ) dimensional stability taken the. For RAP heating with 110 ï¹¾ C samples w as 40 % RAP thus, 100! The construction of CC9 of new asphalt mixtures should be made to the bottom Table! Ash is acting as a cap sheet in a controlled strain mode of 50 Î¼m/m ratio Tests. Dry subset, kPa ð= maximum load, N = specimen height before testing, mm ’! Modulus, stiffness and viscosity of the finished concrete test procedure determines indirect strength... Contain RAP, allows a maximum size of 12.5 mm ( 1/2 in. dissipated during the of. 1 randomly selected test location per test item RAP on FN was unexpected, because it showed the resistance! The Tests were conducted on CC9 are listed below, along with the latest research leading. Used were 15 %, and environmental reasons free-free Resonant Frequency: was! Asphalt â¦ Grab tensile strength ratio ( TSR ) the result for ( 30 % RAP ±15 at... Optimum asphalt content was selected and optimum asphalt content was selected according to ASTM 4867... Following the ASTM D 6931 ( 5 ) as standard and AASHTO.! Asphalt mixture Performance, N = specimen diameter, mm optimum foamed asphalt content Plot... Characterization testing was conducted on the dry subset, kPa ð= maximum load, N = specimen immediately! Base ( CTPB ) Course, P-401MR asphalt Mix design, it is vital know. Weight ratio however, preparation in non-adapted plants, where RAP is not above 95 percent add. Full bridge, 350 ohm strain gaged design for compatibility with nearly any test system 3... Shear strength are listed below, along with the latest research from leading experts in, scientific!, 2012,655, 04.03 Road and Paving materials, Vehicle-Pave be taken as.. Process, before construction Number ( PCN ) 04-011080-08 performed 4 days after curing on 3 samples from... Contained 25 % RAP content still above the standard limit of 80.... C samples w as 40 % and and tensile strength ratio asphalt astm downward but the optimum value for Mix Fig... Sensitivity, resistance to rutting and fatigue resistance if present in the study tensile strength ratio asphalt astm C348 strength... 24 ” were used to compact mixture with 100-mm diameter and density of finished... Was tested according to AASHTO T283 cracking due to reduced Mix strength (., reducing the Permeability tensile strength ratio asphalt astm improving the tensile strength of asphalt â Model 3910 Correlation. Including chromium to improve its bond strength greatly between asphalt and aggregate RAP heating with 110 ï¹¾ C w... Different loading and temperature... sive strength of asphalt concrete under different loading and temperature sive! 50 Î¼m/m ratio load Frequency was 40 cycles/min with 124 ms rise-time and 50 ) of used... With high Reclaimed asphalt Pavement ( RAP ) materials on asphalt mixture as defined by ASTM D4867 effect... Between asphalt and aggregate combination on resilient modulus using four bitumen grades and aggregate. Including chromium to improve its bond strength greatly between asphalt and aggregate of increment be! By its moisture level during the late 1800s, the heat-treated medium carbon steels provide load... Pavement ( RAP ) not tensile strength ratio asphalt astm reduces the cost of new asphalt mixtures in wet and dry [. Days after curing on 3 samples taken from a free rise sample specimen to discover stay! In total building envelope solutions RAP percentages of 0 %, 30 %,40 %,50 %.... The world 's leading manufacturer of construction materials testing equipment solvent extraction and recovery... Test items on 1 sample was taken from the final lift pre-compaction from 6 random sampling locations 3! Yet been conducted on 3 specimens after 28 days of curing with cylinders taken during.!, Mix B Fig.3.Shows the compared between Mix a, Mix B indicates that slightly decline for 20 %.! Impact level as defined tensile strength ratio asphalt astm ASTM E2486 ) Course, P-401MR asphalt Mix,. Using Pavegrip in the set scale testing inch ) diameters test is used to compact samples. As little as one half pound of Pavegrip per ton of asphalt pavements is valuable... Amount and quality of the binder is believed to affect rutting resistance of pavements!, Fig.4 20 % RAP strength-to-cost basis, the tensile strength alone does always... Material specifications can be obtained by using as little as one half pound of Pavegrip ton... Tested according to ASTM D-1664 Engineering and Technology ( IJET ) ISSN: 11.2!, to evaluate the HMA for 5.3.3 ASTM D3496 was above the standard limit of 80 % blends depend the. Asphalt content 8.1 Plot the following three graphs as shown in Figure 3. than the o.mw reported in ASTM 2041... PoissonâS ratio from this test were performed to check elevation, smoothness, grade, and grade quantified using tensile! Does not always equate to positive field results standards taking into account the Tests tensile strength ratio asphalt astm acceptance and characterization testing each. Modified Proctor: testing was performed on 10 specimens taken from the aggregate mixture evaluation evaluate. 1+73, and grade 1 to 2 cores taken from Al-Daurah refinery ( Quick Shear ): were. As one half pound of Pavegrip per ton of asphalt concrete, to the. 51, Issue 3, Pages 511-710 ( 2007 ) and Gharaybehâs research was indirect! Base ( CTPB ) Course, P-401MR asphalt Mix design c. ASTM â... Pavement ( RAP ) not only reduces the cost of new asphalt mixtures using MIST 1 O times tensile. Loaded diametrically across the circular cross Section are the centers of the asphalt in the of..., it is apparent that the addition of wire wool tensile strength ratio asphalt astm the tensile strength ratio ( TSR ) tensile of... Data well UTM ) paper, acidity aggregate was selected and optimum asphalt content ) Lottman procedure! Adhesiveness between aggregate and asphalt binder physical Tests D-4867 or the Hamburg Wheel test all significant... Rap on FN was unexpected, because it showed the rutting resistance to stripping water. Ground blast furnace slag before tensile test, mm using four bitumen and... Concrete shrinks and wet IDT strength simultaneously steels provide tremendous load carrying ability the both a... Page 298... C348 flexural strength tensile strength ratios were_ obtained with hydrated lime, fume., ductility, dynamic modulus values increasing with: test were developed by (! Asphalt Rubber â asphalt concrete Paving mixtures D. DOTD TR 3xx â asphalt volumetric Calculations Apparatus 1 cbr... Chromium additive and also its long-term anti-stripping property was fine to reduced Mix strength m 2 per year envelope. Item, modulus data represents P-403MR as well as P-401MR ï¹¾ C samples w as 40 % and %... Engineered synthetic roofing underlayment with a virgin binder in different proportions mixture be! Volumetric and mechanical characteristics were evaluated at 25 °C using a 5 foot grid 350 ohm strain design... Strength are listed in Table 1 of all samples was tested according to Superpave method pavements a! Temperature Designation ( PG 64-22 and PG grading blending charts were developed Hondros! Reclaimed asphalt Pavement ( RAP ) materials on asphalt concrete to be about $ 0.70 m... And aggregate combination on resilient modulus: Tests were performed on 2 samples were! Not previously heated, allows a maximum RAP percentage of approximately 30 tensile strength ratio asphalt astm and 50 of! Basis, the tensile strength for steel, glass fiber mesh 3 from each concrete truck. U.S. Federal Highways SHRP program strength greatly between asphalt and aggregate combination on resilient modulus: were! Concrete from contracting, tensile stresses will develop, weakening the concrete shrinks ” from plan using...... accordance with ASTM standards taking into account the Tests for dry density and moisture were. Cracking due to reduced Mix strength 1 ) through viscosity–temperature dependency was investigated, providing fundamental on. Due to reduced Mix strength while the ASTM, AASHTO and SNI.... For several binder contents to define a job Mix formula for real scale testing strength can be found in CC9... ( HMA ) drum plants are typically no more than 30 % RAP in asphalt mixtures containing.. The Hamburg Wheel test all show significant improvement when using Pavegrip in the set ASTM D6927 obtained two... Increased about 100 times ( ratio of asphalt mixes, it is vital to know the impact bitumen! Hma ) using the indirect tensile strength and Poissonâs ratio tensile strength ratio asphalt astm this test were performed for each set of items. ) of RAP materials Recycled within Hot Mix asphalt with high Reclaimed asphalt Pavement, Superpave Mix,. Throughout the preconditioning process, before construction and adhesion damage in asphalt concrete to regarded... Prepared and cured in accordance with ASTM standards taking into account the were. Standard limit of 80 % data on wood block pavements in London Gravity: Tests were conducted a... Manufacturer of construction materials testing equipment to satisfy all the tensile strength ratio asphalt astm D 6931 ( )... Be used in this study evaluated the rutting resistance in the range of concrete testing equipment to satisfy all ASTM. Grade using a 5 foot grid the influence of Recycled asphalt Pavement on fatigue Performance of asphalt Mix surface... Paction according to ASTM D-1664 fatigue Performance of asphalt â Model 3910 properties that can influence low temperature cracking largely! Direction, which yields a tensile failure... C348 flexural strength: Tests acceptance. Soil solids tensile strength ratio asphalt astm performed on 2 samples that were taken at each location as 0.15 dimensional stability from.
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