Experimental and Numerical Study on the Earthquake Damage of Spherical Bearings for Chinese High-Speed Railway Bridge

Table 1

Physical dimension of parameters.

Physical	System	Physical	System
Length	L	Stiffness	MT^−2
Displacement	L	Density	MT^−3
Time	T	Force	MLT^−2
Mass	M	Moment	ML^2T^−2
Stress	ML^−1T^−2	Velocity	L^2T^−1
Strain	1	Acceleration	LT^−2
Modulus	ML^−1T^−2	Damp	ML^−1