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 The aged samples are then combined into one container, mixed, and used to determine the aged asphalt cement properties.

Solubility in Trichloroethylene, percent Spot test See Note 4. F —60 to s. F is more than We think you have liked this presentation. Aggregates Usually refers to a soil that has in some way been processed or sorted. Less cost than cutback. Emulsify asphalt in water. In order to attain workable asphalt cement at ambient temp. Absolute viscosity at 60? A thermometer is submerged to a prescribed depth into the asphalt and used to monitor the temperature rise. Distillation used in Cutback asphalt Loss on heating: Three pans are placed on a rotating shelf in a oC oven for 5 hours.


This results in a layer of asphalt of about 3. My presentations Profile Feedback Log out. Published by Giles Watts Modified over 3 years ago. This test can also be used to measure the loss of volatiles in the asphalt cement by determining the percent difference in the mass before and after aging.

Soils are materials that are used as-is. Loss on heating Thin film oven test Flash point. Flames pass across the surface. Penetration is found for aged samples.

Highway Materials/ Asphalt

Share buttons are a little bit lower. The emulsion stay in this stable situation until disturbed by: In this test, a small sample of asphalt is poured into the brass cup which is placed over an electric heater. However, in no case will both be required.

Auth with social network: Place in ventilated c and rotated at specified rate for 5hrs. F See Note 1. Since like electrical charges repel, asphalt droplets stay suspended in water. Feedback Privacy Policy Feedback. Used with no additional heat. Steel balls placed on surface of bitumen in the ring. Softening by heating is not feasible in all cases.


AASHTO M 稀释沥青(中度养护)_百度文库

Distance in centimeters to which a standard sample may elongate without breaking. 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. The values stated in SI units are to be regarded as the standard. More energy efficient than cutback.

To make this website work, we log user data and share it with processors. Used to separate volatile from nonvolatile substances. Distillation, percentage by volume of total distillate to ? Grade MC—Furol viscosity at Emulsifying agents place electrical charge around each droplet of asphalt.

AC heated at specified rate. Registration Forgot your password?

AASHTO M 82-75

F — to ? Dissolve Cut the asphalt in solvent. F See Note 2. To use this website, you must agree to our Privacy Policyincluding cookie policy.