A Case History: Settlement of Fill over Soft Ground

    Published: Jan 1986

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    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.


    preloading, vertical drains, sand drains, rope drains, clay, secondary compression, differential settlement

    Author Information:

    Adachi, T
    Professor, Kyoto University, Kyoto,

    Iwasaki, Y
    Head, Osaka Soil Test Laboratory, Osaka,

    Sakamoto, M
    Vice-Head, Osaka Soil Test Laboratory, Osaka,

    Suwa, S
    Senior Consulting Engineer, Osaka Soil Test Laboratory, Osaka,

    Committee/Subcommittee: D18.05

    DOI: 10.1520/STP34641S

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