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.
|Published (Last):||19 March 2017|
|PDF File Size:||18.99 Mb|
|ePub File Size:||18.22 Mb|
|Price:||Free* [*Free Regsitration Required]|
These alternate devices should be capable of indicating or displaying? An important d692 is provided by the processing unit that controls the speed in a closed-loop modeavoiding speed calibrations and tension fluctuation effects.
ASTM D – 15 – Standard Test Method for Marshall Stability and Flow of Asphalt Mixtures
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. The machine is supplied complete with load ring, 30 kN cap.
Popular in this Category. No external transducer is required for displacement measurement. The EN covering the Determination of the indirect tensile strength of bituminous mixtures, prescribe a water Marshall compression tester A bench mounted compression frame with motor and worm gear housed within the base unit.
ASTM D, Test equipment Controls
This includes mixing efficiency and aging. Prior to the test, the operator can impose travel limits for automatically ending the test. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. The above test properties may also be weighted differently to reflect a particular mix design philosophy. Specimens within the thickness tolerance may be corrected based on specimen volume or thickness.
ASTM D6927 – 15
Marshall stability and flow may also be determined using field cores from in situ pavement for information or evaluation. The machine is fit with a precision strain gauge load cell and displacement transducer, both connected to the Digimax The activating pin of the gauge slides inside the guide sleeve with a c6927 amount of frictional resistance.
Circulating water bath with cooler unit for Marshall. One test result is considered to be the average of asmt samples.
Flow meter consists of guide, sieve and gauge. Last previous edition approved in as D — Standard Test Method f There is no ideal value but there are acceptable limits.
Email The subscriber’s email address.
Soil – CBR loading presses: The activating pin of the gage shall slide inside the guide satm with minimal friction and the guide sleeve shall slide freely over the guide post see Fig. 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. Marshall stability and flow may also be used to relatively evaluate different mixes and the effects of conditioning such as with water.
However, depending on the composition and atsm of the mixture, a less de?
The flow is measured as the deformation in units of 0. Reliable results depend on many factors; following the suggestions of Specification D or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.
Dense-graded mixtures will generally show a peak in stability within the range of binder contents tested. Typical Cross Section of Highways Roadways.
These devices must be designed to measure and record the same relative movement between the top of the guide post and the upper breaking head. Factors Affecting Selection of Highway Location.
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.