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dc.contributor.authorUnited States. Army. Corps of Engineers. New England Division.-
dc.descriptionTechnical Report-
dc.descriptionSummary: The purpose of this investigation was to continue the previous years studies of base course treatment to prevent frost action by means of admixtures with investigations (a) to verify the hypothesis that the amount of salt required, to prevent frost action is a function, of the void ratio, (b) to determine the influence-of rock content of frost susceptible soil on type and quantity of admixture required to prevent frost action, and (c) to investigate methods of permanently retaining salts within soils. A study of the relationship between void ratio-and amount of salt required to prevent frost action indicates that the air temperature and void ratio may be used to determine the approximate quantity of salt required to prevent frost, action. A study of the effect of rock content on quantity of admixture required to prevent frost does not indicate any relationship for the three soil mixes tested. No studies were conducted to develop a method of preventing the migration of salts in soils, so that the use of salts affords only temporary protection. An analysis of the results of all frost action tests performed using bituminous admixtures, which could lead to a quantitative method of design for such admixtures, is presented. This method is based on the apparent relationship between the percentage by weight of frost susceptible soil particles smaller than 0.02 mm and the void ratio with admixture. Frost action tests performed on a silty soil with "Darex AEA” as an admixture do not indicate that it is effective in preventing frost action in quantities up to two per cent by dry weight of soil.-
dc.publisherArctic Construction and Frost Effects Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource-
dc.subjectPavement bases-
dc.subjectBase courses-
dc.subjectFrozen ground-
dc.subjectFrozen soils-
dc.subjectFrost action-
dc.subjectFrost heave-
dc.subjectFrost heaving-
dc.subjectIce control-
dc.subjectFrost control-
dc.subjectFrost prevention-
dc.subjectIce prevention-
dc.titleFrost investigation, 1946-1947 : report on studies of base course treatment to prevent frost action-
Appears in Collections:Technical Report

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