Determining Relative Density of Sands from CPT Using Fuzzy Sets

Autor:	X. H. Huang, C. H. Juang, J. W. Chen, R. D. Holtz
Rok vydání:	1996
Předmět:	Cone penetration test Fuzzy set Compressibility General Earth and Planetary Sciences Relative density Fuzzy number Geotechnical engineering Geotechnical Engineering and Engineering Geology Soil mechanics Penetration test General Environmental Science Mathematics Weighting
Zdroj:	Journal of Geotechnical Engineering. 122:1-6
ISSN:	1944-8368 0733-9410
Popis:	Significant discrepancy exists among the available correlations that are commonly used for determining relative density using cone penetration test (CPT) data. These correlations recognize the difference in sand compressibility and its effect on CPT data. Experience has indicated that compressibility is not a well-defined parameter. Current knowledge on the subject of sand compressibility and its effect on CPT data is limited and qualitative. A new approach that aggregates some of the available correlations for the determination of relative density using CPT data is developed. The new approach uses a weighting scheme that relates the compressibility, measured by friction ratio and expressed as a fuzzy number, to the base correlations. Field CPT data are used to examine and demonstrate the new approach. Results of the limited cases studied show that relative density can be determined reliably from CPT data using the proposed model.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::14ad505d3bacf788cceece501278c9f2 https://doi.org/10.1061/(asce)0733-9410(1996)122:1(1) Zobrazit plný text záznamu