Civil Engineering Reference
In-Depth Information
Figure 15.7
Determination of E
2
and G
2
from dilatometer tests in transversely isotropic rock mass
(Kiehl & Wittke 1983)
It is assumed that the mean values of U
0
and V
0
determined from the results of the test
series with
ϕ
= 90° are
and
, respectively
(Fig. 15.6, lower left). At
ϕ
= 90°,
and
are then calculated using (15.11) and
(15.12) as
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