Cover‐Subsidence Sinkhole Evaluation of State Road 434, Longwood, Florida
Publication: Journal of Geotechnical Engineering
Volume 120, Issue 11
Abstract
This paper presents the results of a cover‐subsidence sinkhole evaluation. In this case, the sinkhole activity caused a slow, gradual settlement of the State Road 434/Harbour Isle Way intersection, in Longwood, Florida. The subsoil conditions were explored with numerous cone penetrometer tests and permanent piezometers. The study indicated that the settlement was caused by internal soil erosion and raveling. Piezometric elevation contour maps revealed a well‐defined depression that coincided with the observed surface settlement. The piezometer monitoring results suggest this may be an effective technique for economically identifying potential sinkhole locations.
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References
1.
Barraclough, J. T. (1962). “Groundwater resources of Seminole County, Florida.” Report of Investigations No. 27 (R.I. 27). United States Geological Survey and Florida Geological Survey.
2.
“Standard method for penetration test and split‐barrel sampling of soils—designation: D 1586.” (no year). Annual book of ASTM standards; Vol. 04.08—soil and rock; dimension stone; geosynthetics. ASTM, Philadelphia, Pa.
3.
“Standard test method for deep, quasi‐static, cone and friction‐cone penetration tests of soil—designation: D 3441. (no year). Annual book of ASTM standards; Vol. 04.08—soil and rock; dimension stone; geosynthetics. ASTM, Philadelphia, Pa.
4.
Stewart, J. W. (1980). “Areas of natural recharge to the Floridan Aquifer in Florida.” Map Series 98, Bureau of Geology, Florida Dept. Nat. Resour., Tallahassee, Fla.
Information & Authors
Information
Published In
Journal of Geotechnical Engineering
Volume 120 • Issue 11 • November 1994
Pages: 2026 - 2040
Copyright
Copyright © 1994 American Society of Civil Engineers.
History
Received: May 27, 1993
Published online: Nov 1, 1994
Published in print: Nov 1994
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