Calibration of Undrained Shear Strength Partial Factor Using Probability Theory (CROSBI ID 297083)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Dodigović, Filip ; Ivandić, Krešo ; Soldo, Božo ; Grabar, Kristijan
engleski
Calibration of Undrained Shear Strength Partial Factor Using Probability Theory
Design in accordance with Eurocode 7 applies the partial factors of geotechnical parameters to take into account uncertainties of various sources. The prescribed values of partial factors are unique, even though the degree of uncertainty can vary significantly. This can lead to an unequal reliability level of structures designed using the same procedures and methods. This paper analyses the influence of undrained shear strength variability on the reliability index (\beta), using reliability theory and statistical methods. Analyses were performed in the case of a shallow footing designed in accordance with Eurocode 7, design approach 3. It is shown that reliability indexes of a shallow footing could be lower than the target values prescribed in Eurocode. To meet these values, additional elaboration and calibration of undrained shear strength partial factor (\gamma_{; ; ; c_u}; ; ; ) was proposed.
Eurocode 7 ; geotechnical design ; partial factor ; reliability analysis ; uncertainty ; undrained shear strength
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Podaci o izdanju
16 (1)
2021.
TG-2020111313253
8
objavljeno
1846-6168
1848-5588
10.31803/tg-2020111313253
Povezanost rada
Građevinarstvo, Interdisciplinarne tehničke znanosti