Evaluation of Several Types of Curing and Protective Materials for Concrete: Final Report on Part I: Laboratory and Outdoor Exposure Studies Preliminary to Field Trials

About the report:

Concern for improving the durability of concrete has focused renewed attention on all aspects of concrete technology. Numerous proprietary products which are claimed to improve durability have been marketed as protective coatings, curing agents or combinations of the two. The end purpose of this project is to evaluate the performance of several of these materials under field conditions. This report covers Part I of the project, which consisted of preliminary evaluation testing to select the materials to be placed in the field. White pigmented resin, white polyethylene, and chlorinated rubber curing compounds were tested in combination with linseed oil protective coatings and a monomolecular film for their effects in retarding evaporation during the early stages of hydration. Both air entrained and non-air entrained concretes were subjected to tests for resistance to rapid freezing and thawing in sodium chloride solution, resistance to scaling during exposure to deicing in an outdoor exposure area, compressive strength, and skid resistance.

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