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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