The National Academies Press

Currently Skimming:

Pages 68-132

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.

From page 68... ... 68 A P P E N D I X A Agency and Partner Laboratory Survey Questionnaires NCHRP Synthesis Topic 50-14 Agency Survey Dear AASHTO Committee on Materials and Pavements member: The Transportation Research Board (TRB) is preparing a synthesis titled "Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories." This is being done for the National Cooperative Highway Research Program (NCHRP) Read the entire page →
From page 69... ... Agency and Partner Laboratory Survey Questionnaires 69 email to your colleague. They will be able to open the partially filled survey using the same link (If you prefer to review all responses before submission of survey, please make sure to let them know that they should not submit the survey. Read the entire page →
From page 70... ... 70 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Laboratory Asphalt-Mixture Performance Tests: For purposes of this survey, laboratory asphaltmixture performance tests are defined as any laboratory test procedure for mechanical characterization of asphalt mixtures to determine a fundamental engineering or empirical property (e.g., resilient modulus, creep properties, and fatigue properties) that can predict pavement performance and/or appear in primary performance prediction relationships (i.e., models that can be used to predict pavement stress, distress, or performance from combinations of predictors that represent traffic, environmental, roadbed, and structural conditions) Read the entire page →
From page 71... ... Agency and Partner Laboratory Survey Questionnaires 71 2) Please select the types of laboratory asphalt performance testing conducted by your agency (in-house and/or by other entities on behalf of your agency) Read the entire page →
From page 72... ... 72 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories 3) How does your Agency use the results of the laboratory performance test (select all that apply) Read the entire page →
From page 73... ... Agency and Partner Laboratory Survey Questionnaires 73 Hamburg Wheel Tracking Test (AASHTO T324) CTIndex Test SemiCircular Bend (SCB) Read the entire page →
From page 74... ... 74 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Other test 1 (briefly describe) : Other test 2 (briefly describe) Read the entire page →
From page 75... ... Agency and Partner Laboratory Survey Questionnaires 75 Semi-Circular Bend (SCB) Test (any version, I-FIT, LTRC, Minnesota) Read the entire page →
From page 76... ... 76 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Flow Number (RLPD) Read the entire page →
From page 77... ... Agency and Partner Laboratory Survey Questionnaires 77 7) Important component of this synthesis study is to document specimen fabrication practices of non-agency entities (such as consultant or university labs) Read the entire page →
From page 78... ... 78 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories 9) What are the dimensions of the final test specimen for the laboratory performance tests used by your agency? Read the entire page →
From page 79... ... Agency and Partner Laboratory Survey Questionnaires 79 Dynamic (Complex) Modulus Testing (AASHTO T342) Read the entire page →
From page 80... ... 80 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Geometry Flow Number (RLPD) Test Superpave Indirect Tensile Strength and Creep Test (AASHTO T322) Read the entire page →
From page 81... ... Agency and Partner Laboratory Survey Questionnaires 81 Disk-Shaped Compact Tension (DCT) Read the entire page →
From page 82... ... 82 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Superpave Indirect Tensile Strength and Creep Test (AASHTO T322) Texas Overlay Test (TxDOT TEX-248-F) Read the entire page →
From page 83... ... Agency and Partner Laboratory Survey Questionnaires 83 Small-Scale Geometry Direct Tension Cyclic Fatigue Test (S-VECD) Small-Scale Geometry Dynamic (Complex) Read the entire page →
From page 84... ... 84 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories CTIndex Test Semi-Circular Bend (SCB) Test (any version, I-FIT, LTRC, Minnesota) Read the entire page →
From page 85... ... Agency and Partner Laboratory Survey Questionnaires 85 Direct Tension Cyclic Fatigue Test (S-VECD) Read the entire page →
From page 86... ... 86 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Superpave Indirect Tensile Strength and Creep Test (AASHTO T322) Texas Overlay Test (TxDOT TEX248-F) Read the entire page →
From page 87... ... Agency and Partner Laboratory Survey Questionnaires 87 Semi-Circular Bend (SCB) Test (any version, I-FIT, LTRC, Minnesota) Read the entire page →
From page 88... ... 88 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Flexural Beam Fatigue Test (AASHTO T321) Flow Number (RLPD) Read the entire page →
From page 89... ... Agency and Partner Laboratory Survey Questionnaires 89 16) Is there a target air void level requirement for laboratory performance test specimens used by your agency? Read the entire page →
From page 90... ... 90 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories 17) Please provide information regarding the target air void level requirement during fabrication of laboratory performance test specimens used by your agency or on behalf of your agency. Read the entire page →
From page 91... ... Agency and Partner Laboratory Survey Questionnaires 91 Dynamic (Complex) Modulus Testing (AASHTO T342) Read the entire page →
From page 92... ... 92 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Test (SVECD) SmallScale Geometry Dynamic (Complex) Read the entire page →
From page 93... ... 18) Identify equipment that is used in your laboratory to fabricate test specimens for laboratory performance tests (check all that apply) Read the entire page →
From page 94... ... Dynamic (Complex) Modulus Testing (AASHTO T342) Read the entire page →
From page 95... ... Agency and Partner Laboratory Survey Questionnaires 95 Block-3: The questions in this section relate to the operational constraints (such as storage times) and rejection rates of test specimens. Read the entire page →
From page 96... ... 96 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Dynamic (Complex) Modulus Testing (AASHTO T342) Read the entire page →
From page 97... ... Agency and Partner Laboratory Survey Questionnaires 97 Geometry Flow Number (RLPD) Test Superpave Indirect Tensile Strength and Creep Test (AASHTO T322) Read the entire page →
From page 98... ... 98 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Between finalized test specimen fabrication and mechanical testing Between repeated mechanical testing (if multiple tests are conducted on same specimens) Read the entire page →
From page 99... ... Agency and Partner Laboratory Survey Questionnaires 99 Specimen fabrication equipment problems (e.g., problems with saws or jigs) Others (please describe) Read the entire page →
From page 100... ... 100 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories 26) The synthesis will also include case examples illustrating agency practices on asphalt performance test specimen fabrication. Read the entire page →
From page 101... ... Agency and Partner Laboratory Survey Questionnaires 101 NCHRP Synthesis Topic 50-14 Partner Laboratory Survey Dear Colleague: The Transportation Research Board (TRB) is preparing a synthesis titled "Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories." This is being done for the National Cooperative Highway Research Program (NCHRP) Read the entire page →
From page 102... ... 102 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories questionnaire to a colleague, simply close the survey and forward the original survey email to your colleague. They will be able to open the partially filled survey using the same link. Read the entire page →
From page 103... ... Agency and Partner Laboratory Survey Questionnaires 103 Laboratory Asphalt-Mixture Performance Tests: For purposes of this survey, laboratory asphaltmixture performance tests are defined as any laboratory test procedure for mechanical characterization of asphalt mixtures to determine a fundamental, engineering or empirical property (e.g., resilient modulus, creep properties, and fatigue properties) that can predict pavement performance and/or appear in primary performance prediction relationships (i.e., models that can be used to predict pavement stress, distress, or performance from combinations of predictors that represent traffic, environmental, roadbed, and structural conditions) Read the entire page →
From page 104... ... 104 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Agency 4 ________________________________________________ Agency 5 ________________________________________________ Agency 6 ________________________________________________ Agency 7 ________________________________________________ Agency 8 ________________________________________________ Agency 9 ________________________________________________ Agency 10 ________________________________________________ Agency 11 ________________________________________________ Agency 12 ________________________________________________ Agency 13 ________________________________________________ Agency 14 ________________________________________________ Agency 15 ________________________________________________ 3) For agencies identified in the previous question, please provide information regarding the purpose of performance testing -- select all that apply. Read the entire page →
From page 105... ... Agency and Partner Laboratory Survey Questionnaires 105 Agency 5 Agency 6 Agency 7 Agency 8 Agency 9 Agency 10 Agency 11 Agency 12 Agency 13 Agency 14 Agency 15 4) Please select the types of laboratory asphalt performance testing conducted by your organization -- select all that apply. Read the entire page →
From page 106... ... 106 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Flow Number (RLPD) Read the entire page →
From page 107... ... Agency and Partner Laboratory Survey Questionnaires 107 Direct Tension Cyclic Fatigue Test (S-VECD) Read the entire page →
From page 108... ... 108 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories 6) If you have a document describing organization-specific procedures for fabricating specimens for laboratory performance tests, either (1) Read the entire page →
From page 109... ... Agency and Partner Laboratory Survey Questionnaires 109 Block-2: The questions in this section relate to the process involved in fabrication of asphalt performance test specimens. Details regarding compaction, cutting and coring, age conditioning, etc., will be gathered in this section. Read the entire page →
From page 110... ... 110 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Direct Tension Cyclic Fatigue Test (S-VECD) Read the entire page →
From page 111... ... Agency and Partner Laboratory Survey Questionnaires 111 Small-Scale Geometry Direct Tension Cyclic Fatigue Test (S-VECD) Small-Scale Geometry Dynamic (Complex) Read the entire page →
From page 112... ... 112 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Cantabro Test Direct Tension Cyclic Fatigue Test (S-VECD) Read the entire page →
From page 113... ... Agency and Partner Laboratory Survey Questionnaires 113 Small-Scale Geometry Flow Number (RLPD) Test Superpave Indirect Tensile Strength and Creep Test (AASHTO T322) Read the entire page →
From page 114... ... 114 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories CTIndex Test Semi-Circular Bend (SCB) Test (any version, I-FIT, LTRC, Minnesota) Read the entire page →
From page 115... ... Agency and Partner Laboratory Survey Questionnaires 115 Flow Number (RLPD) Read the entire page →
From page 116... ... 116 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories 12) Please provide details (such as temperature and time) Read the entire page →
From page 117... ... Agency and Partner Laboratory Survey Questionnaires 117 Small-Scale Geometry Direct Tension Cyclic Fatigue Test (SVECD) Small-Scale Geometry Dynamic (Complex) Read the entire page →
From page 118... ... 118 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories 13) Is laboratory conditioning of compacted specimens conducted on bulk (prior to cutting and coring) Read the entire page →
From page 119... ... Agency and Partner Laboratory Survey Questionnaires 119 Superpave Indirect Tensile Strength and Creep Test (AASHTO T322) Texas Overlay Test (TxDOT TEX-248-F) Read the entire page →
From page 120... ... 120 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Hamburg Wheel Tracking Test (AASHTO T324) CTIndex Test Semi-Circular Bend (SCB) Read the entire page →
From page 121... ... Agency and Partner Laboratory Survey Questionnaires 121 15) Is there a target air void level requirement for laboratory performance test specimens used by your organization (select one for each test) Read the entire page →
From page 122... ... 122 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories 16) Please provide information regarding the target air void level requirement during fabrication of laboratory performance test specimens. Read the entire page →
From page 123... ... Agency and Partner Laboratory Survey Questionnaires 123 Dynamic (Complex) Modulus Testing (AASHTO T342) Read the entire page →
From page 124... ... 124 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Test (SVECD) SmallScale Geometry Dynamic (Complex) Read the entire page →
From page 125... ... 17) Identify equipment that is used in your laboratory to fabricate test specimens for laboratory performance tests (check all that apply) Read the entire page →
From page 126... ... Dynamic (Complex) Modulus Testing (AASHTO T342) Read the entire page →
From page 127... ... Agency and Partner Laboratory Survey Questionnaires 127 Block-3: The questions in this section relate to the operational constraints (such as storage times) and rejection rates of test specimens. Read the entire page →
From page 128... ... 128 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Dynamic (Complex) Modulus Testing (AASHTO T342) Read the entire page →
From page 129... ... Agency and Partner Laboratory Survey Questionnaires 129 Geometry Flow Number (RLPD) Test Superpave Indirect Tensile Strength and Creep Test (AASHTO T322) Read the entire page →
From page 130... ... 130 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories Between finalized test specimen fabrication and mechanical testing Between repeated mechanical testing (if multiple tests are conducted on same specimens) Read the entire page →
From page 131... ... Agency and Partner Laboratory Survey Questionnaires 131 Specimen fabrication equipment problems (e.g., problems with saws or jigs) Others (please describe) Read the entire page →
From page 132... ... 132 Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories 25) If you have any additional information or thoughts you would like to share regarding this topic, please share them here: ________________________________________________________________ END OF SURVEY Please click on "Submit Survey! Read the entire page →

From page 68...

... 68 A P P E N D I X A Agency and Partner Laboratory Survey Questionnaires NCHRP Synthesis Topic 50-14 Agency Survey Dear AASHTO Committee on Materials and Pavements member: The Transportation Research Board (TRB) is preparing a synthesis titled "Practices for Fabricating Asphalt Specimens for Performance Testing in Laboratories." This is being done for the National Cooperative Highway Research Program (NCHRP)