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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Highway Materials/ Asphalt – ppt video online download

F is less thanthe material will be acceptable if its ductility at Black or dark colored solid or viscous cementious substances composed of high molecular weight hydrocarbons. F is more than Distillation, percentage by volume of total distillate to ? About project SlidePlayer Terms of Service. More energy efficient than cutback. Distillation used in Cutback asphalt Loss on heating: When specified, the engineer shall indicate whether the standard naphtha solvent, the naphtha-xylene solvent, or the heptane-xylene solvent will be used in determining compliance with the requirement, and also, in the case of the xylene solvents, the percentage of xylene to be used.


Resistance of a fluid to flow.

AASHTO M 82-75

However, in no case will both be required. The values stated in SI units are to be regarded as the standard. Distance in centimeters to which a standard sample may elongate without breaking. Flames pass across the m2. Registration Forgot your password? A thermometer is submerged to a prescribed depth into the asphalt and used to monitor the temperature rise.

Published by Giles Watts Modified over 3 years ago. Emulsify asphalt in water. Air blowing is used to increase viscosity of asphalt residue. Standard naphtha Naphtha-xylene solvent, percent xylene Heptane-xylene solvent, percent xylene 30 38 — 60 — 0.

To make this website work, we log user data and share it with processors. In order to attain workable asphalt cement at ambient temp. SCOPE This specification covers liquid petroleum products, produced by fluxing an asphaltic base with suitable petroleum distillates, to be used in the treatment of road surfaces.


Three pans are placed on a rotating shelf in a oC oven for 5 hours. An example would be a finished. My presentations Profile Feedback Log out. Solubility in Trichloroethylene, percent Spot test See Note 4.

A 50 g sample of asphalt is poured into each of three flat-bottomed pans. Softening by heating is not feasible in all cases. Since like electrical charges repel, asphalt droplets stay suspended in water. The use of the spot test is optional. Steel balls placed on surface of bitumen in the ring.

Used with no additional heat. The flash point is the temperature at which a small aashtk flicker around the inside of the cup is seen as the wand is passed horizontally over the surface of the cup.

F —60 to s. Loss on heating Thin film oven test Flash point.