Environmental Engineering Reference
In-Depth Information
q t 1 N = normalized cone tip resistance = [(
q
σ
) (
/
p
p
/
σ
)
n
t
voa a o
10
0 403
.,
.
for
I
1.64
Š
c
K
=
c
I
4
+
5 581
.
I
3
21 63
.
I
2
+
33 75
.
I
17 8
.
8,
for
I c
>1.64
c
c
c
c
I
=
(.
347
log
Q
)
2
+
(log
F
+
1 22
.)
2
c
10
t
10
r
Q t = normalized cone resistance = (q
t
σσ
vo
)/
vo
F r = normalized friction ratio = fq
/(
σ
)
×
100
%
s
t
vo
aPPenDIX 4b: notatIon
a max = peak ground surface acceleration
b 0 , b 1 , … b r = regression coefficients to be calibrated in a generalized linear model
BIC = Bayesian information criterion
CPT = cone penetration test
CRR = cyclic resistance ratio
CSR = cyclic stress ratio
c u = undrained shear strength
c ui = i ith measured value of c u
d = observed database
F S = factor of safety
F Sa = actual factor of safety
F ( z ) = cumulative distribution function of random variable z
g = acceleration of gravity
I = indicator factor
k = number of parameters of the model to be estimated
K σ = overburden correction factor for CSR
l (θ| d ) = likelihood function of θ given data D
MSF = magnitude scaling factor
n F = number of failed slopes
n L = number of liquefied cases
n NF = number of nonfailed slopes
n NL = number of nonliquefied cases
P L = probability of liquefaction
q t 1 N = normalized cone tip resistance
q t 1 N,cs = clean sand equivalence of normalized cone tip resistance
Q p = proportion of failed slopes or liquefied cases in real world
Q s = proportion of failed slopes or liquefaction sites in a calibration database
r d = depth-dependent shear stress reduction factor
s a = actual total settlement at the ground surface
s i = the i ith fixed observation of liquefied-induced settlement
s j = the j th range observation of liquefied-induced settlement
s jl = lower bound of s j
s ju = upper bound of s j
s p = predicted total settlement at the ground surface
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