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Title:

FOUNDATION SETTLEMENTS IN THE FT. RANDALL DAM EMBANKMENT

Accession Number:

00232415

Record Type:

Component

Abstract:

AN ESTIMATE OF THE MAGNITUDE AND TIME RATE OF SETTLEMENT DUE TO COMPRESSION STRAINS IN THE FOUNDATIONS SOIL AT 12 POINTS BENEATH THE EMBANKMENT SECTION OF THE FT. RANDALL DAM HAS BEEN MADE. THESE ESTIMATES HAVE BEEN COMPARED WITH ACTUAL MEASURED SETTLEMENTS WHICH HAD OCCURRED UP TO JANUARY 1956, APPROXIMATELY A YEAR AND A HALF AFTER COMPLETION OF THE EMBANKMENT. THE COMPRESSION STRAINS WERE ESTIMATED BY MEANS OF THE TERZAGHI THEORY OF CONSOLIDATION, USING GEOLOGICAL PROFILES AND SOIL TEST DATA FURNISHED BY THE OMAHA DISTRICT, CORPS OF ENGINEERS, U. S. ARMY. THE MEASURED SETTLEMENTS WERE ALSO OBTAINED FROM THE OMAHA DISTRICT. IN GENERAL, THE ORDER OF MAGNITUDE OF THE ESTIMATED ULTIMATE SETTLEMENTS COMPARES FAVORABLY WITH THE MEASURED SETTLEMENTS UP TO THE PRESENT TIME. THE ESTIMATED RATES OF SETTLEMENT DO NOT COMPARE AS FAVORABLY WITH THE MEASURED RATES AS DO THE ULTIMATE SETTLEMENTS, DUE PRIMARILY, IT IS BELIEVED, TO THE DIFFICULTY OF ESTIMATING THE DRAINAGE CONDITIONS WITHIN AND BELOW THE ALLUVIAL SEDIMENTS WHICH COMPRISE THE FOUNDATION SOIL. THE PAPER CONTAINS A DESCRIPTION OF THE ASSUMPTIONS AND METHODS EMPLOYED IN MAKING THE SETTLEMENT ESTIMATES, TOGETHER WITH THE GEOLOGICAL AND TEST DATA AND THE MEASURED SETTLEMENTS. ALSO PRESENTED IS A COMPLETE TYPICAL CALCULATION OF STRESS DISTRIBUTION AND SETTLEMENT AT ONE POINT. /AUTHOR/

Supplemental Notes:

No 173, pp 1-19, 26 FIG, 8 TAB, 4 REF 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 #:

01410571

Language:

English

Authors:

Spangler, M G
Griebling, Alfred l

Pagination:

19p

Publication Date:

1958

Serial:

Highway Research Board Bulletin

Issue Number: 173
Publisher: Highway Research Board

Media Type:

Digital/other

Uncontrolled Terms:

Computation

Old TRIS Terms:

Subject Areas:

Geotechnology; Highways; Hydraulics and Hydrology

Files:

TRIS, TRB

Created Date:

Aug 15 2004 2:43AM

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