Assessing the value of information to design site investigation and construction quality assurance programs - Risk and Reliability in Geotechnical Engineering - page 494

0.947

(a) 1.0

0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0

E ( C ) = $6.870

0.053

4500
Consequence ($ per pile)

49,500

Pile length = 30 m

0.993

(b) 1.0

0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0

E ( C ) = $6.550

0.007

6125 67,375

Consequence ($ per pile)

Pile length = 35 m

Figure 13.15 Prior probability distributions for consequences for alternative pile lengths in pile foundation
design.

1.00

1.0

Load test result for 30-m
long pile = 700 kN

0.9

0.8

0.7

0.6

0.52

0.5

0.43

0.4

0.3

0.2

0.1

0

0.9 1.3 1.6

Gradient of unit side shear versus depth, θ (kPa/m)

Figure 13.16 Likelihood function for model parameter given one pile load test result in pile foundation
design.