Trass

Description

A light color volcanic ash used in hydraulic cement. Trass is similar to pozzolana, but is found in Germany, France and the Netherlands.

Resources and Citations

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 174

• The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

• George Wheeler paper at www.b72.com/objects/stone/consolidants.html (accessed Aug. 1998)