00471860

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http://onlinepubs.trb.org...trr/1986/1089/1089-018.pdf

https://scholar.google.co...ieke&publication_year=1986

Laboratory frost heave tests were performed to identify factors important to the development of susceptibility criteria for coarse-grained soils. The frost heave test results were evaluaed by using the concept of the segregation potential. The results from 44 tests on mixures of coarse-grained soils and a fines fraction consisting of silt and different types of clay were considered in the study. Correlations were established between heave rate and segregation potential and (a) percentage of particles finer than 0.074 mm, (b) percentage of particles finer than 0.02 mm, and (c) fines factor (an index property of the fines fraction that indirectly accounts for specific surface area and mineralogy of the fines fraction). The correlations are not strong for the 0.074-mm particles (R2 = 0.47), good for the 0.002-mm particles (R2 = 0.72), and very strong for the fines fact or (R2 = 0.92). On the basis of the results of the study, it appears that factors in addition to particle size must be considered in the development of frost heave susceptibility criteria for coarse-grained soils.

Publication of this paper sponsored by Committee on Frost Action.Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

01418818

pp 124-131

1986

Transportation Research Record

0309041090

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Figures (6) ; References (16) ; Tables (2)

Clay; Coarse grained soils; Correlation analysis; Fines (Materials); Frost heaving; Frost susceptibility; Silts

Criteria; Particle size distribution; Segregation

Data and Information Technology; Geotechnology; Highways; I42: Soil Mechanics

TRIS, TRB

Jul 31 1988 12:00AM

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