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Title:

SWELLING SHALE AND COLLAPSING SOIL

Accession Number:

00341164

Record Type:

Component

Availability:

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

Abstract:

Geotechnical engineering parameters of both rock and soil can be significantly influenced by regional environmental factors. Climatic factors such as rainfall and temperature, coupled with geologic and geomorphic factors such as bedrock type and landform configuration, combine to present very different kinds of problems for highway pavement deformation that are physiographically bounded are swelling shale and collapsing soil. Swelling soil is not a significant problem for highway builders in the semiarid climates of the western United States. Swelling bedded shale, however, can completely disrupt the traveled way. Soil surveys, laboratory testing, and corrective and/or preventive measures designed for swelling soils are frequently not appropriate for effectively dealing with swelling-shale problems under roadway pavements. This technique cost-effectively approximates subexcavation. Proper selection and placement of the explosive are important to the success of the technique. Soils that have a measurable swell potential can collapse on wetting in a semiarid climate because of a combination of environmental factors. Pavement distortions over collapsible soils are often misidentified as resulting only from swelling soil or internal fill deterioration. Prewetting of collapse-susceptible soils alleviates long-term settlement problems.

Supplemental Notes:

Publication of this paper sponsored by Committee on Engineering Geology. 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 Title:

Shales and swelling soils

Monograph Accession #:

01411607

Authors:

Ruckman, A C
BARRETT, R K

Pagination:

pp 41-45

Publication Date:

1981

Serial:

Transportation Research Record

Issue Number: 790
Publisher: Transportation Research Board
ISSN: 0361-1981

ISBN:

0309032040

Media Type:

Print

Features:

Figures (1) ; References (10)

Uncontrolled Terms:

Prewetting

Old TRIS Terms:

Subject Areas:

Geotechnology; Highways; Security and Emergencies; I42: Soil Mechanics

Files:

TRIS, TRB

Created Date:

Oct 28 1981 12:00AM

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