This paper presents a new method, based on the law of large numbers, to evaluate the failure probability of
slopes.
The spatial variation in unity weight and the temporal one in pore pressure are both neglected, while the strength pa-
rameters c’ and t’ : tan w’ (cohesion and friction coefficient) are treated as random variables reciprocally independent and
lognormally distributed.

This paper presents a new method, based on the law of large numbers, to evaluate the failure probability of
slopes.
The spatial variation in unity weight and the temporal one in pore pressure are both neglected, while the strength pa-
rameters c’ and t’ : tan w’ (cohesion and friction coefficient) are treated as random variables reciprocally independent and
lognormally distributed.
It has been proved that the use of the mean values of c’ and t’ in characterizing limit equilibrium methods is fully justi-
fied since the errors introduced are relatively small.
The evaluation of slope failure probability is dependent both on variation in the strength parameters and on the number
of shear tests performed.

This paper presents a new meth …

AUTORI: Greco V.R. RIG ANNO: 1984 NUMERO: 3 Numero di pagina: 149

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