3.1 This practice can be used to prepare cylindrical specimens of bituminous mix for subsequent testing. The procedure incorporates the use of the California Kneading Compactor in an attempt to duplicate the kneading action that is provided by the equipment now being used for the compaction of asphalt concrete pavement.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 the standard are cautioned that compliance with Specification D3666 alone does not completely assure 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 The practice covers the preparation of test specimens of bituminous paving mixtures by means of a mechanical compactor that imparts a kneading action to the test specimens by a series of individual impressions made with a ram.1.2 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.1.3 Units—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 non-conformance with the standard.1.4 This standard does not purport to address all of the safety problems, 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.

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3.1 These test methods are used for sampling and testing modified bitumen sheet materials. Property requirements, determined by these test methods, are found in the following product standards: Specifications D6162/D6162M, D6163/D6163M, D6164/D6164M, D6222/D6222M, D6223/D6223M, D6298/D6298M, and D6509/D6509M.AbstractThese test methods cover procedures for sampling and testing prefabricated, reinforced, polymer-modified bituminous sheet materials designed for single- or multiple-ply application in roofing and waterproofing membranes. From each shipment or fraction thereof, select at random a number of rolls equal to one half the cube root of the total number of rolls in the lot. If the calculated number is fractional, express it as the next highest whole number. The load strain (tensile elongation and strain energy) properties shall be tested to meet the requirements prescribed. The tensile tear strength, moisture content, and water absorption of polymer-modified bituminous sheets shall be tested to meet the requirements prescribed. The dimensional stability, low-temperature flexibility, heat conditioning, and accelerated weathering of the polymer-modified bituminous sheets shall be tested to meet the requirements prescribed. The granule embedment, compound stability, coating thickness, low temperature unrolling, and precision and bias of the polymer-modified bituminous sheet materials shall be tested to meet the requirements prescribed.1.1 These test methods cover procedures for sampling and testing prefabricated, reinforced, polymer-modified bituminous sheet materials designed for single- or multiple-ply application in roofing and waterproofing membranes. These products may use various surfacing materials on one side.1.2 These test methods cover a number of different products. Not all tests are required for every product. Only those called out in the Product Standard are required.1.3 These test methods appear in the following order:  Section   Sampling  4Conditioning  5Thickness  6Load Strain Properties  7Tear Strength  8Moisture Content  9Water Absorption  10Dimensional Stability 11Low-Temperature Flexibility 12Heat Conditioning 13Accelerated Weathering 14Granule Embedment 15Compound Stability 16Coating Thickness 17Low Temperature Unrolling 18Precision and Bias 191.4 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 non-conformance with 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.

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4.1 To properly evaluate PBGMs, tests must be performed according to specific test methods and procedures. Failure to follow this practice can result in data not representative of the material's characteristics and performance.1.1 This guide provides recommendations for the selection of appropriate test methods for prefabricated bituminous sheet used in geomembrane applications to provide consistency in data reporting.1.2 This guide includes test methods for all types of prefabricated bituminous geomembranes (PBGMs).1.3 This guide is intended to aid all personnel involved in the selection, manufacture, or evaluation of prefabricated bituminous geomembranes. Field-related evaluation of PBGMs, including but not limited to seam testing, is beyond the scope of this guide.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.

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This practice covers the standard for the preparation of cylindrical specimens of bituminous paving mixture suitable for dynamic modulus tests. This is intended for dense-graded bituminous concrete mixtures containing aggregates. The test specimens shall be prepared with accordance to other ASTM documents prescribed herein. The procedure for preparing the cylindrical specimens using a California kneading compactor include placing the compaction mold in position in the mold holder and inserting a paper disk to cover the base plate of the mold holder. Using a variable transformer, the compactor foot is maintained sufficiently hot. Using a paddle of suitable dimensions, push the mixture into the mold. After compaction, a static load is applied to the specimen using a compression testing machine. After reaching the applied pressure as prescribed herein, the load is released immediately. After cooling, the specimen is removed from the mold and placed on a smooth flat surface.1.1 This practice covers the preparation of cylindrical specimens of bituminous paving mixture suitable for dynamic modulus tests. The practice is intended for dense-graded bituminous concrete mixtures containing aggregate up to 25.0-mm maximum size.1.2 The values stated in SI units are the standard.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.

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4.1 Determining the tensile-tear strength of laboratory and field samples of roofing membranes should be useful in developing performance criteria, and as one basis for comparison of different materials and systems. The effects of temperature, moisture, and aging may be evaluated by appropriate selection of field samples or conditioning of laboratory samples, and tests may be conducted in an environmental chamber.1.1 This test method covers the determination of the tensile-tear strength of bituminous roofing membranes.1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.1.3 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.1.4 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