Experimental Study on Seismic Response of Buried Oil and Gas Pipeline Soil Layers under Lateral Multipoint Excitation

Table 3

Working condition of the test.

Working condition	Uniform excitation			Working condition	Multipoint excitation			Remarks
	Amplitude (g)	Table 1	Table 2		Amplitude (g)	Table 1	Table 2
1	0.25	M-1	M-1	2	0.25	M-1	M-3	7 degrees
3	0.25	M-4	M-4	4	0.25	M-4	M-6
5	0.25	M-7	M-7	6	0.25	M-7	M-9
7	0.50	M-10	M-10	8	0.50	M-10	M-12	8 degrees
9	0.50	M-13	M-13	10	0.50	M-13	M-15
11	0.50	M-16	M-16	12	0.50	M-16	M-18
13	1.00	M-28	M-28	14	1.00	M-28	M-30	9 degrees
15	1.00	M-31	M-31	16	1.00	M-31	M-33
17	1.00	M-34	M-34	18	1.00	M-34	M-36
19	1.55	M-37	M-37	20	1.55	M-37	M-39	9.5 degrees
21	1.55	M-40	M-40	22	1.55	M-40	M-42
23	1.55	M-43	M-43	24	1.55	M-43	M-45