Earthquake Influence on the Rail Irregularity on High-Speed Railway Bridge

Table 2

Similitude parameters and similarity ratios of the shaking table test.

Property	Physical quantity	Similarity relation	Ratio
Material	Modulus	SE	1
	Stress	Sσ = SE	1
	Density	Sρ = Sσ/SaSl	4
Load	Point		1/144
	Line	Sω = SESl	1/12
	Area	Sq = SE	1
Geometric	Length	Sl	1/12
	Displacement	Sd = Sl	1/12
	Area		1/144
Dynamic	Acceleration	Sa	3
	Mass		4/1728
	Period		1/6

Base parameter.