Probabilistic Prediction of Maximum Tensile Loads in Soil Nails
Table 2
Calibration outcomes based on both and using data group 1 ().
Case
Simple formulation
Constants
Model factor, M
Spearman’s p value between model factor M and
Name
Expression
a
b
COVM
Generalized model factor approach
Exponential
1.19
−1.77
1.00
0.558
0.09
0.20
0.08
0.00
0.47
0.89
0.06
Linear
−0.92
1.05
1.00
0.580
0.01
0.45
0.11
000
0.44
0.90
0.00
Logarithmic
−0.33
0.26
1.00
0.538
0.23
0.14
0.11
0.00
0.36
0.91
0.23
Power
0.34
−0.47
1.00
0.535
0.54
0.09
0.13
0.00
0.32
0.98
0.54
Calibration to h/H
Exponential
2.05
−2.11
1.00
0.439
0.18
0.64
0.12
0.15
0.18
0.04
0.27
Linear
−1.45
1.53
1.00
0.424
0.25
0.34
0.08
0.13
0.16
0.05
0.06
Logarithmic
−0.71
0.20
1.00
0.434
0.52
0.77
0.10
0.42
0.16
0.03
0.33
Power
0.39
−0.72
1.00
0.474
0.01
1.00
0.07
0.01
0.19
0.04
0.23
Note: (101 kPa) is the atmospheric pressure, and (1.5 m × 1.5 m = 2.25 m2) is the typical tributary area. They are introduced to make the empirical correction term dimensionless.
