reactive silica material
reactive silica material
Any material, such as fly ash, natural pozzolan, or pulverized silica, which reacts at high temperatures with portland cement or lime during autoclaving.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive
The stone in the concrete should be inert, but aggregates containing
reactive silica materials are common, and highly alkaline cement reacts with the silicon dioxide to form a gel that swells and weakens the concrete.
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