Road surfaces

Details Road surfaces Road surfaces

1976-03-08

1978-08-08

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 98, 106281R, 404 19, 404 20, C04B 702

Patent

active

041054580

ABSTRACT:
A road surface comprising a blend of at least two aggregate materials disposed in a binder matrix and having different rates of wear as judged by the aggregate test B.S.812 1967, each aggregate material comprising individual aggregate particles of a size such that they will be retained on a British Standard 1/4 inch sieve, or its metric equivalent, and will pass through a British Standard 3/4 inch sieve, or its metric equivalent, and having a surface micro-texture in the range defined by asperity heights of a minimum texture depth of 5 microns and a maximum texture of 500 microns, the individual aggregate particles being disposed in the binder matrix so that the shortest distance between any two adjacent particles is 1 to 6 mm and the texture depth of the aggregate particles in the binder matrix is between 1 and 5 mm, of which the following is a specification.

REFERENCES:
patent: 1975028 (1934-09-01), Wallace
patent: 3081186 (1963-03-01), Burns
patent: 3957525 (1976-05-01), Lees et al.

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