Research Article
Mar 1980
Embankments Through Cross River Swamp
Authors: Roger Foott, M.ASCE, Charles C. Ladd, F.ASCE, J.O. Jackson, C.N. Aneke, and Dan DevecseriAuthor Affiliations
Publication: Journal of the Geotechnical Engineering Division
Volume 106, Issue 3
Abstract
The design, construction and performance of embankments across a deep clay flood plain are described, the construction involving a two-stage procedure with sand drains to aid consolidation. The Cross River was the major phisical obstacle to the roadlink between Calabar and the mainland of Nigeria constructed between 1975 and 1977. The paper describes the investigation, alignment selection, design, construction and performance of embankments across the Cross River flood plain (Swanp), consisting of clays up to 30m deep. A two-stage construction procedure was employed, with sand hydraulically pumped up to 5km as embankment material. Sand drains were used for radial drainage and as relief wells to speed the consolidation and strengthening of the upper levels of the clay, prior to final embankment construction. Foundation performance was evaluated and strength increases measured. The embankments are performing satisfactorily, but they experienced large initial settlements during construction.
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Published In
Journal of the Geotechnical Engineering Division
Volume 106 • Issue 3 • March 1980
Pages: 219 - 234
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Mar 1980
Published online: Feb 11, 2021
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Authors
Affiliations
Roger Foott, M.ASCE
Consulting Geotechnical Engr.; Acton, Mass.; formerly, Dir., Nigeria Foundation Services and Soils Research Co., Ltd. Calabar, Nigeria, Louis Berger International
Charles C. Ladd, F.ASCE
Prof. of Civ. Engrg.; Massachusetts Inst. of Tech., Cambridge, Mass
J.O. Jackson
Prof., Faculty of Engrg., University of Lagos, Lagos, Nigeria; and Consultant, Nigeria Foundation Services and Soils Research Co., Inc., Ltd., Calabar, Nigeria
C.N. Aneke
Chf. Resident Engr.; Federal Ministry of Works, Lagos, Nigeria
Dan Devecseri
Managing Director; Nigerian Water Resources Development Ltd., Ibadan, Nigeria; formerly, Branch Manager, Reynolds Construction Co. (Nigeria) Ltd., Calabar, Nigeria
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.