The manitude of the necessary paramrters can be assumed.
1 comparison advantage and disadvantage about each type of soil boring in the aspect of
A quality
B cost
C time
Of each type of soil boring as follows:
Trial pit or test pit
Hand auger
Wash boring
Rotary rig
2 propose the subsurface investigation program for the following projects. You have to specify the method, number, of borehole and depth.
The 30-storey building in Bangkok area. The dimension of the building is 200×200 m.
The 3 m. high highway embankment for 20 km.
3 according to the boring log, divide soil profile into several layers. For each layer, the following items have to be specified.
Soil type
Strength parameters
Unit weight