Cement-Treated Subbase Practice In The U.S. And Canada

by Edward L. Kawala,

Serial Information: Journal of the Highway Division, 1966, Vol. 92, Issue 2, Pg. 75-100

Document Type: Journal Paper


In areas where a scarcity of granular materials meeting subbase specifications exists, cement-treated subbases often provide an economical solution. Besides preventing erosion caused by pumping, cement-treated subbase can use inexpensive substandard granular materials; provide a stable, water-resistant working table for the contractor; permit the use of thinner concrete slabs; and result to improved pavement performance. The history and development of cement-treated subbases, now used in 31 states and provinces, is presented. Included are details concerning suggested criteria for granular materials and cement requirements; the design and performance of experimental projects; structural properties, including resistance to densification, k-values and load-transfer characteristics; construction methods used for fine-grading; and the performance of projects to service.

Subject Headings: Granular materials | Material properties | Construction materials | Cement | Concrete pavements | Load and resistance factor design | Construction methods | Economic factors | Canada

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