定价： 260元 / 折扣价： 221 元

3.1 This test is primarily used for field production control of asphalt-rubber (A-R) and other high-viscosity binders; however, the test can also be used in a laboratory setting.3.2 A handheld rotational viscometer is used to measure the apparent viscosity of a completed blend of A-R or high-viscosity binder. A rotor (spindle), turning at constant speed, is inserted in the liquid binder to be measured. The resistance to movement of the spindle (torque) caused by the viscosity of the surrounding liquid is measured using a special mechanism to obtain direct readings in Pa·s or cP.NOTE 1: Spindle is generally made of stainless steel, although another metal such as brass could be used.3.3 The measured apparent viscosity is used to control the production of the A-R or other high-viscosity binder, to assess the uniformity of the binder produced, or for other related purposes.3.4 As the spindle turns in the A-R or other high-viscosity binder, it has a tendency to “drill” into the sample (that is, for A-R, the spindle spins the rubber particles out of the measurement area). Consequently, the apparent viscosity drops to reflect only the liquid phase of the high-viscosity binder. Therefore, the peak viscosity measurement value is recorded to reflect the viscosity of the blended material.1.1 The use of high-viscosity asphalt binders like asphalt-rubber is becoming more common in the United States and worldwide. Specifications such as Specification D6114/D6114M note the need for field control of the apparent viscosity and require the use of a field production rotational viscometer. The testing of asphalt-rubber binder for use in asphalt-rubber hot mix and for asphalt-rubber membrane is necessary to ensure consistent mix properties that will ensure good performance of these materials. Logistics of field applications limits the use of conventional laboratory controls and testing equipment. This test, using a handheld rotational viscometer, can be conducted in either the field or laboratory to determine the apparent viscosity of asphalt-rubber and other high-viscosity binders for field production control and to assess the uniformity of the binder produced, or for other related purposes.1.2 Asphalt-rubber binder consists of a blend of paving grade asphalt cement and crumb rubber as described in Specification D6114/D6114M. Other high-viscosity asphalt binders may consist of asphalts modified with polymer or fiber, or both. Testing is performed following the specified reaction time, if any, within the production process. Control of the raw materials is separate from the test.1.3 The values stated in SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; each system shall be used independently of the other. Combining values from the two systems may result in noncompliance with the standard.1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价： 590元 / 折扣价： 502 元 加购物车

1.1 The viscosity-temperature chart covered by this standard is a convenient means of plotting data for estimating the viscosity of asphalt binders at any temperature within a limited range. Conversely, the chart may be used to ascertain the temperature at which a desired viscosity is attained.1.2 The chart is suitable for asphalt binders and for asphalts recovered from laboratory aging tests or extracted from pavements.1.3 The chart is based on a viscosity-temperature relationship that can be plotted using any appropriate set of units. For convenience, charts based on both conventional and SI units are provided.1.4 The range of the chart is sufficient for roofing asphalts.1.5 The range of the chart is sufficient for asphalt binders whose viscosity exceeds 0.01 Pa.S (10 centipoise).1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

定价： 590元 / 折扣价： 502 元 加购物车

5.1 Estimated critical cracking temperature, as determined by this practice, is a criterion for specifying the low-temperature properties of asphalt binder in accordance with Specification D6373.5.2 This practice is designed to identify the temperature region where the induced thermal stress in a typical HMA subjected to rapid cooling (1 °C/h) exceeds the fracture stress of the HMA.5.3 For evaluating an asphalt binder for conformance to Specification D6373, the test temperature for the BBR and DTT data is selected from Table 1 of Specification D6373 according to the grade of asphalt binder.NOTE 2: Other rates of elongation and test temperatures may be used to test asphalt binders for research purposes.1.1 This practice covers the calculation of low-temperature properties of asphalt binders using data from the bending beam rheometer (see Test Method D6648) (BBR) and the direct tension tester (see Test Method D6723) (DTT). It can be used on data from unaged material or from material aged using Test Method D2872 (RTFOT), Practice D6521 (PAV), or Test Method D2872 (RTFOT) and Practice D6521 (PAV). It can be used on data generated within the temperature range from +6 °C to –36 °C. This practice generates data suitable for use in binder specifications such as Specification D6373.1.2 This practice is only valid for data on materials that fall within the scope of suitability for both Test Method D6648 and Test Method D6723.1.3 This practice can be used to determine the following:1.3.1 Critical cracking temperature of an asphalt binder, and1.3.2 Whether or not the failure stress exceeds the thermal stress in a binder at a given temperature.1.4 This practice determines the critical cracking temperature for a typical asphalt binder based on the determination of the temperature where the asphalt binder's strength equals its thermal stress as calculated by this practice. The temperature so determined is intended to yield a low-temperature PG grade of the sample being tested. The low-temperature PG grade is intended for use in purchase specifications and is not intended to be a performance prediction of the HMA (Hot Mix Asphalt) in which the asphalt binder is used.1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. In cases where units have been omitted, SI units are implied.NOTE 1: The algorithms contained in this standard require implementation by a person trained in the subject of numerical methods and viscoelasticity. However, due to the complexity of the calculations they must, of necessity, be performed on a computer. Software to perform the calculation may be written, purchased as a spreadsheet, or as a stand-alone program.21.6 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价： 0元 / 折扣价： 0 元

5.1 The continuous grading temperatures and continuous grade are used for informational purposes only and shall not be used for the sale or purchase of asphalt binders. The continuous grading temperatures and continuous grade may be used for forensic or research studies and when producing, blending, modifying, or otherwise evaluating asphalt binders. This guide is applicable to Specification D6373, Tables 1 and 2.NOTE 1: The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification D3666 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Specification D3666 alone does not completely ensure reliable results. Reliable results depend on many factors; following the suggestions of Specification D3666 or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.1.1 This practice is used to estimate the continuous grading temperatures and continuous grade for an asphalt binder graded in accordance with the requirements specified in Specification D6373.1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价： 590元 / 折扣价： 502 元 加购物车

5.1 The tackiness test is designed for quantifying how sticky or non-sticky a material is at a certain temperature. The test should be run at various temperatures expected in the field for tack coat materials. If the results show the residue is tacky at pavement temperatures, the material may not be suitable for applications like less-tracking tack coats and bond coats.5.2 Determining the temperature that the residue becomes tacky by increasing the temperature in successive testing can give formulators an indicator of performance.NOTE 2: The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification D3666 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Specification D3666 alone does not completely ensure reliable results. Reliable results depend on many factors; following the suggestions of Specification D3666 or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.1.1 This test method covers the determination of pull-off force and pull-off work of asphalt binders and emulsified asphalt residue by means of pull-off testing. The tackiness test is conducted using the dynamic shear rheometer (DSR) at one or more temperatures.NOTE 1: This standard may be used for unconditioned material or material conditioned in accordance with Test Method D2872. The majority of development work on this test method was performed on unconditioned material. The emulsified asphalt residue should never be conditioned.1.2 A precision and bias statement for this standard has not been developed at this time. Therefore, this standard should not be used for acceptance or rejection of a material for purchasing purposes.1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.4 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价： 515元 / 折扣价： 438 元 加购物车

This test method is a measure of the solubility of polymer-modified asphalt in toluene. The portion that is soluble in toluene represents the active cementing constituents. Additional tests to characterize the insoluble residue may be conducted. Such tests might include infrared spectroscopy, microscopy, ash content, and so forth.Note 1—The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification D 3666 are generally considered capable of competent and objective testing/sampling/inspection/etc. Users of this standard are cautioned that compliance with Specification D 3666 alone does not completely assure reliable results. Reliable results depend on many factors; following the suggestions of Specification D 3666 or some similar acceptable guideline provides a means of evaluating and controlling some of these factors.1.1 This test method covers determination of the degree of solubility of asphalt binders in toluene using centrifugal separation. The method is an alternative to Test Method D 2042, and may be preferable to Test Method D 2042 when testing modified asphalt binders.1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.1.4 A complete precision statement for this standard has not been developed at this time. Therefore, this standard should not be used for acceptance or rejection of a material for purchasing purposes.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

定价： 0元 / 折扣价： 0 元