00396849

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http://onlinepubs.trb.org...s/trr/1984/978/978-002.pdf

https://scholar.google.co...gner&publication_year=1984

The results of investigations conducted in the karstic coastal plain of Florida indicate that the potential for cavity collapse is significantly greater in topographic lows where existing sinkholes, depressions, and other surficial features are lineated. Fracture traces and these lineaments can be established by interpretation of aerial photographs. In one case study it was found that almost all recent sinkholes occurred in the vicinity of the intersection of lineaments. A high vertical permeability to promote solution of carbonates and to induce piping of overburdened soils seems typical of many cavity and sinkhole systems. Collapse of overburden into cavities generally appears to be triggered by depression of the water table followed by wet surface conditions (e.g., well pumping and irrigation). Details of these investigations are presented with some emphasis on the lack of definitive geophysical and remote sensing methods for cavity detection. Several examples are presented to illustrate the difficulty in detecting subsurface cavities in conventional foundation investigations and in the analysis of the in situ conditions triggering the collapse. The subsidence of a portion of Interstate highway is discussed in relation to the observed in situ conditions.

Publication of this paper sponsored by Committee on Exploration and Classification of Earth Materials. 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

01419859

pp 5-12

1984

Transportation Research Record

63rd Annual Meeting of the Transportation Research Board

0309037603

Print

Figures (7) ; Maps (4) ; Photos (2) ; References (17)

Carbonates; Cavitation (Mechanics); Collapse; Karst; Overburdens; Permeability; Sinkholes

Geotechnology; Highways; I43: Rock Mechanics

TRIS, TRB

Jan 31 1986 12:00AM

• COMPRESSION OF PEAT UNDER EMBANKMENT LOADING
• CONSTRUCTION AND PERFORMANCE OF PAVEMENT OVER MUSKEGS
• CORRECTIVE PROCEDURES FOR SINKHOLE COLLAPSE ON THE WESTERN HIGHLAND RIM, TENNESSEE
• EXPERIENCE WITH DEVELOPMENT OF PEAT DEPOSITS AT WALT DISNEY WORLD, FLORIDA
• MAPPING AND PREDICTION OF LIMESTONE BEDROCK PROBLEMS
• PEDOLOGIC CLASSIFICATION OF PEAT
• PEDOTECHNICAL ASPECTS OF ORGANIC SOIL CLASSIFICATION AND INTERPRETATION
• ROAD CONSTRUCTION IN PALSA FIELDS
• SETTLEMENT RATES IN THE VARVED CLAYS OF THE HACKENSACK MEADOWLANDS
• USE OF SINKHOLES FOR DRAINAGE