Producing method for asphalt mixture

Details Producing method for asphalt mixture Producing method for asphalt mixture

1991-03-04

1992-04-28

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 60, 524 71, 1062811, 106282, 106283, C08L 9500

Patent

active

051090414

ABSTRACT:
A method for producing an asphalt mixture using single particle-size aggregate whose weight ratio passed through a sieve having the size of mesh of 2.36 mm is lower than 15% comprising the steps of: (1) adding foamed surface active agent of 1.0 to 30.0% in its weight ratio to asphalt to the asphalt and aggregate which are mixed in a mixer of an asphalt plant or (2) adding rubber latex of 6 to 30% in its weight ratio to pure asphalt, and adjusting the quantity of the asphalt containing rubber so as to exceed 5.5% and stay below 8.0% in its weight ratio to the asphalt mixture and forming the asphalt containing rubber on the surface of the aggregate.

REFERENCES:
patent: 3778397 (1973-12-01), Gannon et al.
patent: 4523957 (1988-06-01), Graf et al.

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