Topic 5.2.2

Question 1

Geotechnical instrumentations used

Answer 1

Inclinometers
Water standpipes
Piezometer
Tiltmeter
Settlement marker
Vibration sensor

Question 2

Instrument used for ground deformation

Answer 2

Inclinometer

Question 3

Instrument used for structure deformation

Answer 3

Tiltmeter
Settlement marker

Question 4

Instrument used for groundwater levels and pore pressure

Answer 4

Piezometer
Water standpipe

Question 5

Instrument used for loads on supporting structural members

Answer 5

Load cells

Question 6

Describe inclinometer

Answer 6

Used to measure subsurface lateral displacement of soil or rock

Question 7

What does inclinometer system comprise of

Answer 7

Probe
Control cable
Readout unit
Casing

Question 8

Describe water standpipe

Answer 8

Monitor ground water level

Question 9

Describe piezometer

Answer 9

Monitor ground water pressure

Question 10

Describe tiltmeter

Answer 10

Monitor changes in inclination of a structure

Question 11

Describe settlement marker

Answer 11

Monitor vertical ground movement when measured against a known datum