Stratigraphic numbering

Geotechnical name

Indoor penetration test

Permeability coefficient range of in-situ test (M/D)

Permeability coefficient (M/D)

k_V (m/d)

k_H (m/d)

<1>

Artificial fill

-

-

-

1

<3-1>

Silty sand

-

-

-

3

<3-2>

Medium coarse sand

-

-

-

10

<3-3>

Coarse gravel

-

-

-

15

<3-4>

Pebble

-

-

-

25

<4-2B>

Muddy clay

-

-

-

0.001

<4-3>

Silty clay

-

-

-

0.1

<4N-2>

Plastic silty clay

-

-

-

0.2

<5H-1>

Plastic granite residual (upper level)

-

-

-

0.1

<5H-2>

Hard plastic granite residual (lower level)

-

--

-

0.15

<6H>

Completely weathered granite

0.31

0.28

-

0.3

<6H>

Completely weathered granite (after construction)

0.52

0.49

-

0.5

<7H>

Strongly weathered granite

-

-

1.37 - 1.81

1.59

<7H>

Strongly weathered granite (after construction)

--

--

--

5.29

<8H>

Moderately weathered granite

-

-

0.58 - 0.80

0.69

<8H>

Moderately weathered granite (after construction)

-

-

-

4.22

<9H>

Slightly weathered granite

-

-

-

0.02

<9H>

Slightly weathered granite (after construction)

-

-

-

0.83