Structural Response of the Metro Tunnel under Local Dynamic Water Environment in Loess Strata

Table 1

Similarity ratios of physical quantities.

Physical quantity	Dimension	Similarity relation	Similarity ratio
	L		25
	MT^−2 L^−2		1
	MT^−2 L^−1		25
	M^0T^0L^0 = 1		1
	T^0M^0L^0 = 1		1
	MT^−2 L^−1		25
	T^−1L		1
	T^−1 L^3		625
	MT^−2 L^−1		25
	T		25
	T^−1L		1