1. Astm Standard Pdf

Automatic Marshall Compression Machine

. American Society for Testing and Materials, “Standard Test Method for Resistance of Plastic Flow of Bituminous Mixtures Using Marshall Apparatus,” ASTM D1559-89, Philadelphia, Pa, USA, ASTM, 2012. Astm D1559 Marshall Pdf Download. Pre- calibrated proving ring of 5 tonnes capacity is fixed on the upper end of the machine, specimen contained in the test head is placed in between the base and the proving ring. The load jack produces a uniform vertical moment of 5 cm per minute. Machine is capable of reversing its moment downward also. ASTM D1559 has standardized the Marshall Test procedures. Only applicable for hot-mix paving mixture Asphalt cement have to be used Maximum size of aggregate = 1” (25 mm) or less Standard test specimens are 2.5” (63.5 mm) high by 4” (101.6 mm) diameter Two principles features of the method.

استاندارد: AASHTO T245, ASTM D1559, ASTM D5581, ASTM D6927, EN 12697-10, ISIRI 12381, ISIRI 21075

General Discriptions Download Manual

Automatic Marshall Compression Machine used to determine the maximum load and flow values of bituminous mixtures.
This apparatus design and made by Azmoon based on required standard with highest precision and quality.

• Technical Specifications
• Accessories

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Technical Specification

• 4x16 in LCD with backlight indicator
• 50.8 mm/min uniform loading rate thanks to Gearmotor
• High stability thanks to made of Cast Iron
• Equipped to a 30 kN load cell with the resolution of 10 N
• 50 x 0.01 mm LVDT transducer
• Connect to PC via RS232 port
• PLC controlling system
• Save data results (failure force, deformation and etc.)

Astm Standard Pdf

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English

750979
NTL-HIGHWAY/ROAD TRANSPORTATION-Materials ; NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance
Format:
Asphalt Mixtures
Heavy Vehicles
Ruts (Pavements)

Premature rutting of road pavements constructed for hauling coal and logs is common. Although these roads carry low volumes of traffic, they are subjected to heavy and channelized wheel loads. Unfortunately, conventional asphalt mixes containing aggregates less than 1-in. maximum size in the base or binder course tend to develop premature rutting under these conditions. Many asphalt technologists believe that the use of large-size stone (maximum size of more than 1 in.) will minimize or eliminate this problem. Large-stone mixes are also economical for low-volume roads because of substantially reduced asphalt contents. However, most agencies use the Marshall design procedure (ASTM D1559), which uses a 4-in.-diameter compaction mold intended for mixes containing aggregate up to 1-in. maximum size only. This has inhibited the use of large-stone mixes. A standard method for preparing and testing 6-in.-diameter specimens has been presented. Mixes containing aggregate up to 2-in. maximum nominal size can be tested. A typical mix design using 6-in. specimens for a coal-haul road in Kentucky is given. Construction data and experience gained from field projects in Kentucky are also included. The proposed test method may be useful in determining the optimum asphalt content of large-stone asphalt mixes that are recommended for use on low-volume roads subjected to heavy and channelized wheel loads.

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