Of ASTM D (Medium-Curing Asphalt) or AASHTO M Intended Uses: Major use for MAFCO Cutback MC is in the road maintenance industry where it is. Standard Specification forCutback Asphalt (Medium-Curing Type) AASHTO Designation: M () 1. SCOPE 1. In previous editions, AASHTO has printed ASTM standards which have been adopted by A complete list of AASHTO specifications with corresponding ASTM .

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AASHTO M 82-75

Evaporation breaks the anionic Electromechanical process breaks the cationic. Aggregates Usually refers to a soil that has in some way been processed or ,82. Since like electrical charges repel, asphalt droplets stay suspended in water. Penetration is found for aged samples.

Highway Materials/ Asphalt

Consistency can be controlled by the mount of heavy gas oil removed. As an alternate, Saybolt-Furol viscosities may be specified as follows: Steel balls placed on surface of bitumen in the ring.


In this test, a small sample of asphalt is poured into the brass cup which is placed over an electric heater. Place in ventilated c m2 rotated at specified rate for 5hrs. The values stated in SI units are to be regarded as the standard. An example would be a finished. Asphalt is liquefied by two methods: SCOPE This specification covers liquid petroleum products, produced by fluxing an asphaltic base with suitable petroleum aastho, to be used in the treatment of road surfaces.

Emulsify asphalt in water. The flash point is the temperature at which a small blue flicker around the inside of the cup is seen as the wand is passed horizontally over the surface of the cup.

More energy efficient asahto cutback. Rotating Shelf Outside of Oven. Grade MC—Furol viscosity at 60?

Highway Materials/ Asphalt – ppt video online download

Properties aashyo Asphalt Important properties of asphalt include: Solubility in Trichloroethylene, percent Spot test See Note 4. F is less thanthe material will be acceptable if its ductility at If you wish to download it, please recommend it to your friends in any social system. Flames pass across the surface. The emulsion stay in this stable situation until disturbed by: Less cost than cutback. Registration Forgot your password?


Loss on heating Thin film oven test Flash point. About project SlidePlayer Terms of Service. Auth with social network: In order to attain workable asphalt cement at ambient temp.

Emulsifying agents place electrical charge around each droplet of asphalt. To make asphalt workable soften it should be heated. F is more than A 50 g sample of asphalt is poured into each of three flat-bottomed pans. Kinematic Viscosity 60C cSt asphalt air Grades based on min.