4. Supplemental facility included in centrifuge system
4.1 Investigation of soil strength
4.1.1 Cone penetrometer 4.1.2 Vane device In-flight vane Portable hand vane Results of portable hand vane tests
4.1.1 Cone penetrometer
4.1.2 Vane device
In-flight vane Portable hand vane Results of portable hand vane tests
In-flight vane
Portable hand vane
Results of portable hand vane tests
4.2 Manipulation of model
4.2.1 Loading system Hydraulic actuator Electric actuator Two dimensional loading system 4.2.2 Sand hopper In-flight sand hopper Automatic in-flight sand hopper 4.2.3 Excavation simulator
4.2.1 Loading system
Hydraulic actuator Electric actuator Two dimensional loading system
Hydraulic actuator
Electric actuator
Two dimensional loading system
4.2.2 Sand hopper
In-flight sand hopper Automatic in-flight sand hopper
In-flight sand hopper
Automatic in-flight sand hopper
4.2.3 Excavation simulator