Variability and Typical Value Distributions of Compressibility Properties of Fine-Grained Sediments in Finland

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Abstract

Most geotechnical design projects are characterized by soil data scarcity, which can be tackled by means of quantified prior knowledge and Bayesian methods. This paper aims to extend the prior knowledge on typical ranges of mean and coefficient of variation (COV) of compressibility properties of Finnish fine-grained sediments; another objective is to study whether the estimated geological sediment type affects the observed variability. The inherent variability of compressibility properties is estimated for 13 sediment layers. Lastly, the data for the estimation of typical mean is further extended, and the typical value distributions are constructed for the selected sediment types. The results indicate that neither the sediment type nor soil type affects the variability of fine-grained sediments; the COV values are rather consistent and fall into the typical range reported in the literature. On the other hand, the mean values and typical value distributions are clearly affected by the dominant soil type of the fine-grained sediment.

Details

Original languageEnglish
Title of host publicationProceedings of the 7th International Symposium on Geotechnical Safety and Risk
EditorsJianuye Ching, Dian-Qing Li, Jie Zhang
Publication statusPublished - 2019
MoE publication typeA4 Article in a conference publication
EventInternational Symposium on Geotechnical Safety and Risk - Taipei, Taiwan, Republic of China
Duration: 11 Dec 201913 Dec 2019
Conference number: 7
http://www.isgsr2019.org/

Conference

ConferenceInternational Symposium on Geotechnical Safety and Risk
Abbreviated titleISGSR
CountryTaiwan, Republic of China
CityTaipei
Period11/12/201913/12/2019
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    Research areas

  • Soil variability, coefficient of variation, prior knowledge, fine-grained soil, clay, silt

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