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Title:

PRELOADING BY VACUUM: CURRENT PROSPECTS

Accession Number:

00129490

Record Type:

Component

Availability:

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Order URL: http://worldcat.org/issn/03611981

Abstract:

The concept of using atmospheric pressure to apply a precompression load for accelerating the consolidation of foundations for embankments constructed on soft clay soils was first described by Kjellman in 1952. The method, although theoretically sound, was impractical then because the plastic sheets that covered the sand filter deteriorated rapidly in field use, and consequently the vacuum could not be easily maintained. Recently, new plastic and fabric materials have been developed that promise to make the Kjellman vacuum preloading method practical. The materials are cheap, strong, and resistant to deterioration by sunlight and weather. Practical applications and several specific advantages of the vacuum method are described, and factors affecting the costs of highway and other preloading construction are given. Depending on the relative costs of the fill materials and the plastic membranes, the vacuum method be significantly cheaper than conventional preloading using sand or gravel surcharge fills.

Supplemental Notes:

Publication of this paper sponsored by Committee on Embankments and Earth Slopes. 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 #:

00131141

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Holtz, Robert D
Wager, Oleg

Pagination:

pp 26-29

Publication Date:

1975

Serial:

Transportation Research Record

Issue Number: 548
Publisher: Transportation Research Board
ISSN: 0361-1981

Conference:

54th Annual Meeting of the Transportation Research Board

Location: Washington District of Columbia
Date: 1975-1-13 to 1975-1-17

ISBN:

0309024536

Media Type:

Digital/other

Features:

Figures (3) ; References (4)

Uncontrolled Terms:

Preloading

Old TRIS Terms:

Subject Areas:

Finance; Geotechnology; Highways

Files:

TRIS, TRB

Created Date:

Mar 10 1976 12:00AM

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