Table 1 Engineering properties (Average) of pleistocene deposit (overconsolidated clay (OC)), holocene deposit (HA), and landfill (LAN). The engineering soil properties of all seven sub-units are presented in this table. The values of properties are shown in ranges.

From: Simplified engineering geomorphic unit-based seismic site characterization of the detailed area plan of Dhaka city, Bangladesh

Unit Name

Layer type

% of sand

% of Fine

Thickness (m)

SPT N value range

Unit Weight (kN/m3)

Vs. (m/s)

C (kN/m2)

Friction (\(^\circ\))

PI

Density (gm/cc)

Vs30 (m/s)

OC 1

Madhupur clay

< 10

> 90

≈  7.5

5–25

≈ 19

200–250

50–200

< 10

25–35

≈ 2.00

220–350

Madhupur silt

< 20

> 80

≈ 6

20–40

≈ 18

220–300

100–300

< 15

25–35

≈ 1.9

Dupitila

> 60

< 40

≈ 17

30–60

≈ 20

300–400

< 15

30–40

–

≈ 2.1

OC 2

Madhupur clay

< 10

> 90

≈ 8

5–25

≈ 19

200–250

50–200

< 10

25–35

≈ 2.0

250–350

Dupitila

> 60

< 40

≈ 22

30–60

≈ 20

300–400

< 10

35–40

–

≈ 2.1

OC 3

Madhupur silt

< 10

> 90

≈ 7

20–40

≈ 18

220–300

100–300

< 15

25–35

≈ 1.9

250–350

Dupitila

> 60

< 40

≈ 23

30–60

≈ 20

300–400

< 10

35–40

–

≈ 2.1

HA 1

Holocene clay

< 10

> 90

≈ 12

0–10

≈ 16

120–180

40–100

< 10

20–25

≈ 1.6

150–180

Holocene silt

< 20

> 80

≈ 7

10–25

≈ 17

150–200

20–50

< 20

15–25

≈ 1.7

Holocene sand

> 60

< 40

≈ 11

20–35

≈ 18

180–250

< 20

20–30

5–12

≈ 1.8

HA 2

Holocene clay

< 10

> 90

≈ 7.5

0–10

≈ 16

120–180

40–100

< 10

20–25

≈ 1.6

180–250

Holocene silt

< 20

> 80

≈ 4.5

10–25

≈ 17

150–200

20–50

< 20

15–25

≈ 1.7

Holocene sand

> 60

< 40

≈ 2

20–35

≈ 18

180–250

< 20

20–30

5–12

≈ 1.8

Madhupur clay

< 10

> 90

≈ 5

5–25

≈ 17

200–250

50–200

< 10

20–35

≈ 2.00

Madhupur silt

< 20

> 80

≈ 2

20–40

≈ 18

220–300

100–300

< 15

25–35

≈ 1.9

Dupitila

> 60

< 40

≈ 9

30–60

≈ 19

300–400

< 15

30–40

–

≈ 2.0

LAN-OC

Landfill

> 90

< 10

≈ 3

0–10

≈ 16

120–180

< 10

25–30

–

≈ 1.7

200–300

Madhupur Clay

< 10

> 90

≈ 7.5

5–25

≈ 19

250–300

100–200

< 10

25–35

≈ 2.00

Madhupur Silt

< 20

> 80

≈ 1.5

20–40

≈ 18

250–300

100–300

< 15

25–35

≈ 1.9

Dupitila

> 60

< 40

≈ 18

30–60

≈ 19

300–400

< 15

30–40

–

≈ 2.0

LAN-HA

Landfill

> 90

< 10

≈ 3

0–10

≈ 17

120–180

< 10

< 20

–

≈ 1.8

150–200

Holocene Clay

< 10

> 90

≈ 9

0–10

≈ 16

120–180

40–100

< 10

20–25

≈ 1.6

Holocene Silt

< 20

> 80

≈ 10

10–25

≈ 17

150–200

20–50

< 20

15–25

≈ 1.7

Holocene Sand

> 60

< 40

≈ 2

20–35

≈ 18

180–250

< 20

20–30

5–12

≈ 1.8

Dupitila

> 60

< 40

≈ 5

30–60

≈ 19

300–400

< 15

30–40

–

≈ 2.0