Inertial Effects on Finite Length Pipe Seismic Response

Table 4

Ratio 𝑅 between the maximum axial strain of the pipe and of the soil.

𝐿 [m]	No inertial terms					Inertial terms
	Infinite length	Finite length				Infinite length	Finite length
	Equations (3.6)–(3.9)	O’Rourke et al.		FLBDWF		Mavridis and Pitilakis	FLBDWF
		free-free	pin-pin	free-free	pin-pin		free-free	pin-pin
25	0.9846	0.0416	1.000	0.3001	0.9980	0.9847	0.3021	1.2844
150		0.2495	1.000	0.9846	0.9922		0.9792	1.2053
250		0.4158	1.000	0.9846	0.9922		0.9861	1.1955