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Title:

EXCESS PORE PRESSURES WHICH DEVELOP DURING THAWING OF FROZEN FINE-GRAINED SUBGRADE SOILS

Accession Number:

00237188

Record Type:

Component

Abstract:

THE BEARING CAPACITY OF SUBGRADE SOIL, WHICH GOVERNS THE CAPACITY OF THE FLEXIBLE PAVEMENT CAN BE REDUCED DURING SPRING BREAKUP IF THE SUBGRADE SOIL IS FROST SUSCEPTIBLE. THE REDUCTION IN STRENGTH IS CAUSED BY /A/ AN INCREASE IN WATER CONTENT DURING FREEZING, /B/ A DECREASE IN RELATIVE DENSITY, AND /C/ INCOMPLETE DISSIPATION OF THE EXCESS PORE PRESSURES DURING THAWING. METHODS ARE PRESENTED BY WHICH THE EXCESS PORE PRESSURES BEFORE APPLICATION OF ANY EXTERNAL LOADS CAN BE CALUCLATED WITHIN A SUBGRADE DURING AND AFTER THAWING.

Supplemental Notes:

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.

Monograph Accession #:

01410057

Authors:

Yao, Leslie Y C
Broms, Bengt B

Pagination:

pp 39-57

Publication Date:

1965

Serial:

Highway Research Record

Issue Number: 101
Publisher: Highway Research Board

Media Type:

Digital/other

Features:

Appendices (1) ; Figures (11) ; References (20) ; Tables (2)

Uncontrolled Terms:

Computation; Spring breakup

Old TRIS Terms:

Subject Areas:

Geotechnology; Highways

Files:

TRIS, TRB

Created Date:

Feb 9 1994 12:00AM

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