Shock and Vibration / 2018 / Article / Tab 2

Research Article

Experimental Study on Seismic Dynamic Characteristics of Shallow-Bias Tunnel with a Small Space

Table 2

Main parameters of shaking table.

ParametersSpecification

Platform size4m×4m
Degree of freedom of motion6Dofs in 3directions
Center distance of table-board6-50m
Load capacity30ton

Maximum displacement and accelerationX:250mm, ±1.0g
Y:250mm, ±1.0g
Z:250mm, ±1.6g

Working frequency0.1-50Hz
Maximum eccentricity moment20 ton·m
Maximum overturning moment30ton·m
Maximum seismic velocity1000mm/s
Maximum vibration velocity of simple string750mm/s