0 0 1 2 3 4 5 6 7 8 9
0.1 0.2 0.3Influence factor I (^9) p
0.4 0.5 0.6 0.7
0 0.1 0.2 0.3
Influence factor I (^9) p
0.4 0.5 0.6 0.7
0 0.1 0.2 0.3
Influence factor I (^9) p
0.4 0.5 0.6 0.7
L/B 51
L/B 52
L/B 55
D
Assumed incompressible
layer
Poisson's ratio 5 0.5
L>B
Settlement at corner of
loaded area 5 ri
qBIp
(^5) Ef
Eo
Ef
q
B 3 L
k 510 k 55 k 52 k 51 k 5 0.5 k 50
k 510 k 55 k 52 k 51 k 5 0.5 k 50
k 510 k 55 k 52 k 51 k 5 0.5 k 50
H/B
0 1 2 3 4 5 6 7 8 9
H/B
0 1 2 3 4 5 6 7 8 9
H/B
H/B > 9
H
kH
Ed 5 Ef(1 + )B
Figure 5.19Values of the influence factor Ip for deformation modulus increasing linearly with depth
and modular ratio of 0.5 for normally consolidated days (after Butler(5.12)).