Example Sentences

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He also is developing what he says should be more-affordable pothole-resistant pavements, using non-petroleum "bio asphalts" derived from waste materials such as corn stalks and switch grass.

From Washington Post • Mar. 30, 2010

Both coal tars and water gas tars of semi-solid consistency are also employed for the same class of construction as the liquid asphalts.

From American Rural Highways by Agg, T. R. (Thomas Radford)

Such mixtures differ in degree only from the mixtures used for asphalt street paving, for discussion of which the various books on paving and asphalts should be consulted.

From Concrete Construction Methods and Costs by Gillette, Halbert Powers

Such is, in fact, the case; and these older asphalts are represented by Grahamite, Albertite, etc., which I have designated as asphaltic coals.

From Scientific American Supplement, No. 362, December 9, 1882 by Various

Classes of Bituminous Materials.—Bituminous materials may be classified, according to the source from which they are obtained, as coal tars, water gas tars, native or natural asphalts and oil or petroleum asphalts.

From American Rural Highways by Agg, T. R. (Thomas Radford)