ASTM D4123 PDF

ASTM D4123 PDF

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May 7, 2020

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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This recommended series will result in nine test astn for one specimen which can be used to evaluate the overall resilient behavior of the mixture. If the transducers are temperature-sensitive, such as Statham UC-3, the testing machine should be placed in a controlled temperature chamber.

The 4-min testing time limit is waived if loading is conducted within a temperature-control cabinet meeting the requirements in 5. Subsequent testing on 5 where: However, these latter machines may not have the load capability to handle larger specimens at the colder testing temperatures. Current edition approved April 30, The aging properties of polymer modified asphalts were examined using thin film oven test TFOT.

Copyright ASTM Standard Test Method for Indirect Tension Test for Resilient Modulus of Bituminous Mixtures1 This standard is issued under the fixed designation D ; the number immediately following the designation indicates the year of original adoption or, in the case of xstm, the year of last revision.

astm d4123.pdf

Note 1-Ambient laboratory temperature may be substituted as appropriate. ASTM D astmimportantespara la destilacion a presiones inferiores de 1 atm, archivo actualizadoen la ultima version. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. NOTE 7—Load duration is the more important variable and it is recommended that the duration be held to some minimum which can be recorded.

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The procedure described covers a range of temperatures, loads, loading frequencies, and load durations. The load is applied vertically in the vertical diametral plane of a cylindrical specimen of asphalt concrete Fig.

By controlling the time of reaction, two atm molecular weights were obtained: A value of 0. The system should be capable of measuring horizontal deformations in the range of 0.

Link to Active This link will always route to the current Active version of the standard. D the same specimen should be for conditions producing progressively lower moduli. 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.

Alternatively, each gage can be read independently and the results summed independently. In order to reduce permanent damage to the specimen, testing d4213 begin at the lowest temperature, shortest load duration, and smallest load. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either d41233 or withdrawn.

Recommended frequencies are 0.

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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. Scientific Research An Academic Publisher.

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. Bring the specimens to the specified temperature before each test. Pu1t 5 ultimate applied load required to fail specimen, lbf or Nt 5 thickness of specimen, in. Summary of Test Method 3.

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ASTM D, Test equipment Controls

The test can be used to study effects of temperature, loading rate, rest periods, etc. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

NOTE 5—As few as five repetitions have been found to be sufficient for loads such as 5 to 25 lbf. This standard does not purport to address all of the safety problems associated with its use.

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Specimens will normally be either a nominal 4 or 6 in. The achieved improvement was found to be dependent on polymer molecular weight. The system should include a astmm cabinet large enough to hold at least three specimens for a period of 24 h prior to testing. We share information about your activities on the site with our partners and Google partners: Edges should be rounded by grinding to remove the sharp edge in order not to cut the sample during testing.

This recommended series will result in nine test values for one specimen which can be used to evaluate the overall resilient behavior of the mixture. If total cumulative vertical deformation greater than 0.

SITE To ensure the functioning of the site, we use cookies. A number in parentheses indicates the year of last reapproval.