Geotechnical Engineering

DHARM

736 GEOTECHNICAL ENGINEERING

1.6

20

75 min

450

150

Sample

head

Flat for

wrench

4 vent ports

10 min.f

Split

spoon

Drive

shoe All dimensions in mm.

Tube split along this line

51.8f

35 f

Fig. 18.6 Split spoon sampler (I.S.)

25 mmmin.

Length as specified

Mounting hole

10 mm min.f

Thickness as

specified

12 mm min.

Fig. 18.7 Thin-walled sampler (I.S.)
The sampling tube shall be made of steel, brass, or aluminium. The lower end is levelled
to form a cutting edge and is tapered to reduce wall friction. The salient dimensions of three of
the sampling tubes are given in Table 18.3.