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Committee Report and Manual of Recommended Testing Procedures on Load Carrying Capacity of Roads as Affected by Frost Action. Committee Report Presented at the 29th Annual Meeting, 1949
The project was established to determine the weakening effect of freezing and thawing on the normal carrying capacity of highways.
Load-carrying Capacity of Roads as Affected by Frost Action
An investigation was undertaken by the highway research board to study the loss of load-carrying capacity suffered by roads because of frost action. The following ten states lying within frost-affected areas agreed to take part in the research work: Indiana, Iowa, Michigan, Minnesota, Nebraska, New Hampshire, New York, North Dakota, Ohio, and Oregon.
Frost Effects in Soils and on Pavement Surfaces
Paper 1: The experimental uses are described of a Benkelman beam with a Helmer recorder attached as a means of measuring the changes in load-carrying capacity of flexible pavements that occur as a result of frost action. Paper 2: A comprehensive theory to explain rhythmic ice banding, which produces frost heave in soil, is presented. Paper 3: To promote a better understanding of the icing phenomenon, the icing theory is presented. Paper 4: This paper describes some of the manifestations of frost action which have proved troublesome from the standpoint of railroad maintenance in the Labrador Peninsula and also reports the results obtained from a number of ground temperature installations.
Load-carrying Capacity of Frost-affected Roads
5 previous reports have been issued from 1948-1952. The purpose and objective of the project is to determine the loss of strength that may occur in highways after being subjected to freezing and thawing action.
