SYMPOSIA PAPER Published: 01 January 1986

A Case History: Settlement of Fill over Soft Ground


This paper presents a case history on unexpectedly large settlement of a weak alluvial foundation clayey soil improved by both preloading and by use of vertical drains. An important cause of the settlement is probably secondary compression. When preloading is used to improve a clayey foundation soil, the importance of taking into account the secondary compression is emphasized.

Author Information

Adachi, T
Kyoto University, Kyoto, Japan
Iwasaki, Y
Osaka Soil Test Laboratory, Osaka, Japan
Sakamoto, M
Osaka Soil Test Laboratory, Osaka, Japan
Suwa, S
Osaka Soil Test Laboratory, Osaka, Japan
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Developed by Committee: D18
Pages: 684–693
DOI: 10.1520/STP34641S
ISBN-EB: 978-0-8031-4962-5
ISBN-13: 978-0-8031-0446-4