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6.4 Properties of Soil and Structure Elements
The parameters for the Modified Cam-clay model were k (slope
of swelling line in e-ln p space), l (slope of virgin
compression line in e-In p space), f'(effective
angle of internal friction of soil, kx (horizontal permeability of
soil) and ky (vertical permeability of soil ). These were obtained
from a series of odometer and triaxial tests conducted on remoulded soil
samples. The soil properties of the upper Singapore marine clay layer used in
the analyses are tabulated in Table 6.1. These parameters are in general
agreement with published data for Singapore marine clay as shown in Table 3.3.
The diaphragm wall and upper slabs in the analyses were modelled using the
same material, that is, a linear elastic material with E' = 20 * 106
kN/m2, nกฏ = 0.25, and unit weight of 24.0
kN/m3 as shown in Table 6.1.
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