Pile Design and Construction Practice, Fifth edition

Figure 11.12Compression load tests on 305 305 mm pile (a) Load/settlement curve for CRP test for
pile on dense gravel (b) Load/settlement and time/settlement curves for pile on stiff clay.

0

0

10

20

30

Settlement of pile head in mm

Settlement of pile head in mm

Settlement of pile head in mm

40

0 200 400

Load on pile head in kN

600 800 1000

5

10

15

20

25

30

C

B

A

D

Extra-

polated

Gross

settlement curve

400

600

0

0

0

0

246810

200

800

820

Total elapsed time in hours

0

5

10

15

20

25

30

F

E

C

B

F

1.0 2.0

Load on pile head in MN

3.0 4.0

(a)

(b)

10% of pile width

Net settlement curve

10% of pile width

0

Figures denote

increment of load

on pile