Test Procedure of ASTM D – 06 Standard Test: The apparatus for the Marshall Stability test consists of the following: Specimen mould assembly comprising. ASTM DStandard Test Method for Marshall Stability and Flow of Bituminous Mixtures_建筑/土木_工程科技_专业资料。ASTM的沥青混合. Preparation of Marshall Specimens (from bituminous mixes). ASTM D PROCEDURE (continued) e. Specimens conditioned to specified temperature.
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Home Products Search results Results for: For the purpose of mix design, Marshall stability and flow test results should consist of the average of a minimum of three specimens at each increment of binder content where the binder content varies in one-half percent increments over a range of binder content.
A circular testing head with an inside bevel having dimensions other than speci? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. In addition, the e6927 should have the same preparation, that is, temperatures, cooling, and compaction.
The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered adtm.
Least count of 0.
If a water bath is used, wipe excess water from the inside of the testing x6927 segments. Maintenance Spares Technical trainings Warranty Academy. The large acceptable range of two test results between-laboratories indicates that this test should not be used for material acceptance programs that compare between-laboratory results.
As shown in Fig. The source of the variation should be resolved and the problem corrected. Testing shall be completed within 24 h after compaction. Last previous edition approved in as D — The values given in parentheses are for information only. These include mixes with harsh, crushed aggregate and dense gradation, as well as mixes made with very stiff binders. The flow is measured as the deformation in units of 0.
Various agencies have criteria for Wstm stability.
ASTM D – 06 Standard Test Method for Marshall Stability and Flow of Bituminous Mixtures
A real-time test graph and transducer data are displayed on the touchscreen. Originally approved in Different asphalts were also used. Current edition approved June 1, Guide sleeves in the upper segment shall 3 direct the two segments together without appreciable binding or loose motion on the guide rods.
Marshal test is extensively used in routine test programs for the paving jobs. There is no ideal value but there are acceptable limits. This test method is for use with dense graded bituminous mixtures prepared with asphalt cement modi? The 50kN capacity and fully variable speed of 0. NOTE 1—A higher capacity ring dynamometer may be required for high-stability mixes. The tank shall have a perforated false bottom or atm equipped with a shelf for supporting specimens 50 mm 2 in.
Such conditions can create stress concentrations in loading and low Marshall stability. In addition, a mixture design may be required to meet minimum voids in the mineral aggregate based on asmt maximum aggregate size in the mixture.
However, these results may not compare with results from laboratory-prepared specimens and shall not be used for speci? These alternate devices should be capable of indicating or displaying?
No external transducer is required for displacement measurement. Such conditions can create stress concentrations in loading and low Marshall stability.
B Volume-thickness relationship is based on a specimen diameter of 4 in. The design in Fig.
Prior to the test, the operator can impose travel limits for automatically ending the test. In addition, a mixture design may be required to meet minimum voids in the mineral aggregate based on nominal maximum aggregate size in the mixture.
This includes mixing efficiency and aging. This data involved test results from between and laboratories testing mm 4-in. In addition, Marshall stability and flow can be used to monitor the plant process of producing asphalt mixture.
A dummy specimen with a thermocouple can be used to monitor temperature. The binder content range is generally selected on the basis of experience and historical testing data of the component materials, but may involve trial and error to include the desirable range of mix properties. Precision Correlation Ratio 5.
The ring dynamometer assembly satm be replaced with a load cell connected to a loaddeformation recorder or computer provided capacity and sensitivity meet above requirements.