ASTM D4123 PDF

ASTM D() Standard Test Method for Indirect Tension Test for Resilient Modulus of Bituminous Mixtures. We supply testing equipment to perform. to the EN , Annex C and the ASTM D standards. two American ones: ASTM D Standard for the Complex Modulus, and the ASTM D. () ASTM D, Standard Test Method for Indirect Tension Test for Resilient Modulus of Bituminous Mixtures.

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The load is applied vertically in the vertical diametral plane of a cylindrical specimen of asphalt concrete Fig. Link to Active This link will always route to the current Active version of the standard.

astm d4123.pdf

Current edition approved April 30, Adjust and balance the electronic measuring system as necessary. A value of 0. Specimens will normally be either a nominal 4 or 6 in.

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Formerly under the jurisdiction of Committee D04 on Road and Paving Materials, this test method d123 withdrawn in December in accordance with section If total cumulative vertical deformation greater than 0. By controlling the time of reaction, two different molecular weights were obtained: Note 1-Ambient laboratory temperature may be substituted as appropriate.

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The morphological studies of polymer modified binder were discussed.

astm dpdf – PDF Free Download

Available from Gould-Statham, Statham Blvd. For specimens with rough textures, a thin hard rubber membrane attached to the loading strip has been found effective in reducing stress concentration effects, but should be used only when vertical deformations are not measured.

Edges should be rounded by grinding to remove the sharp edge in awtm not xstm cut the sample during testing. Stay on Page Continue to Compass. Scientific Research An Academic Publisher. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters.

The recommended time for the load duration is 0. The system d123 include a temperature-controlled cabinet large enough to hold at least three specimens for a period of 24 h prior to testing.

Significance and Use 4. A superscript epsilon e indicates an editorial change since the last revision or reapproval. D the same specimen should be for conditions producing progressively lower moduli. Increasing traffic loading and volumes on roads have led to the use of polymer modified binders to improve the performance of bitumen in terms of strength, durability, and resistance to rutting. If the transducers are temperature-sensitive, such as Statham UC-3, the testing machine should be placed in a controlled temperature chamber.

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NOTE 2—An electrohydraulic testing machine with a function generator capable of producing the desired wave form has been shown to be suitable for use in repeated-load indirect tension testing. A charge of the erythrocyte test by automated method. This test method covers procedures for preparing and testing laboratory-fabricated or field-recovered cores of bituminous mixtures to determine resilient modulus values using the repeated-load indirect tension test.

The instantaneous resilient modulus is calculated using the recoverable deformation that occurs instantaneously during the unloading portion of one cycle. A number in parentheses indicates the year of last reapproval.

Unless the temperature is monitored, and the actual temperature 5. HaggamIsmail M.

NOTE 1—Ambient laboratory temperature may be substituted as appropriate. Pu1t 5 ultimate applied load required to fail specimen, lbf or Nt 5 thickness of ashm, in. The procedure described covers a range of temperatures, loads, loading frequencies, and load durations.

Subsequent testing on 5 where: Your consent to our cookies if you continue to use this website. Tensile strength can be determined from a destructive test on a specimen and the equation of 8.

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